software
ChatGPT vs Grok 2026: Features, Accuracy & Cost
ChatGPT offers broader capabilities, superior writing quality, and 200+ million users with extensive plugin integrations, while Grok provides real-time internet access via X, edgier responses, and lower operational costs through Elon Musk's infrastructure investment.
ChatGPT
General-purpose conversational AI accessible via web, mobile, and API.
Professionals, researchers, students, and enterprises needing reliable AI for writing, coding, analysis, and complex problem-solving with extensive integrations.
Score63%
VS
G
Grok
xAI's real-time AI chatbot with live internet access via X platform and edgier response style.
X/Twitter users seeking real-time information, individuals preferring unrestricted AI conversations, and those valuing edgy humor over professional tone.
Score63%
Quick Answer
AI SummaryChatGPT offers broader capabilities, superior writing quality, and 200+ million users with extensive plugin integrations, while Grok provides real-time internet access via X, edgier responses, and lower operational costs through Elon Musk's infrastructure investment.
Our Verdict
AI-assistedChoose ChatGPT if you need production-grade AI for work tasks, complex reasoning, creative writing, and extensive third-party integrations across professional workflows. Choose Grok if you prioritize real-time information access, want an unrestricted conversational AI without safety guardrails, or are already embedded in the X/Twitter ecosystem and value low-cost access through Premium subscriptions.
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ChatGPT
8.3/10
Grok
6.7/10
G
Choose ChatGPT if
Best pickProfessionals, researchers, students, and enterprises needing reliable AI for writing, coding, analysis, and complex problem-solving with extensive integrations.
G
Choose Grok if
X/Twitter users seeking real-time information, individuals preferring unrestricted AI conversations, and those valuing edgy humor over professional tone.
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Key Differences at a Glance
- Real-Time Internet Access:✓ Grok wins(Live internet access via X platform vs Limited to training data (April 2024))
- User Base (Monthly Active Users):✓ ChatGPT wins(200+ million (as of 2024) vs 5-10 million estimated (2024))
- Response Style:Professional, safety-focused, filtered vs Irreverent, edgy, less restrictive
Key Facts & Figures
83 numeric metrics compared
| Metric | ChatGPT | Grok | Ratio |
|---|---|---|---|
| Pro Tier Monthly Cost(USD) | $20 | — | — |
| Plus Subscription Price(USD/month) | $20 | — | — |
| SWE-bench Verified Score(%) | ~70% | — | — |
| Context Window (Paid Tier)(tokens) | 128,000 | — | — |
| Minimum Monthly Cost for Advanced Features(USD) | $20 (Plus tier) | — | — |
| Third-Party App Integrations(integrations) | Thousands via Zapier and API | — | — |
| API Cost (Input Tokens)($ per million tokens) | $0.05-3.00 (varies by model) | — | — |
| Minimum Monthly Cost (Consumer)($) | $5 (ChatGPT Go) | — | — |
| Monthly Active Users(millions) | 200+ | 30.1 | |
| Monthly Website Visits(millions) | 1,500+ | 234.4 | |
| Primary User Age Demographic(% under 35) | Mixed | 50.87 | — |
| Subscription Cost (Annual)(USD) | $240 (ChatGPT Plus) | $168 (X Premium) | |
| Monthly Premium Cost(USD) | $20 (Plus) / $200 (Pro) | — | — |
| Platform Integration Points(platforms) | 1 (standalone web/app) | — | — |
| Cost for Annual Pro Usage(USD/year) | $240 (Plus annually) | — | — |
| Premium Monthly Cost(USD) | $20/month | — | — |
| M365 Task Accuracy Rate(%) | 82% | — | — |
| Third-Party App Connections(apps) | Thousands via Zapier | — | — |
| Context Window (Tokens)(tokens) | 128,000 | — | — |
| Input Cost per Million Tokens(USD) | $5.00 | — | — |
| Output Cost per Million Tokens(USD) | $15.00 | — | — |
| Multimodal Format Support(formats) | 3 (text, image, voice) | — | — |
| Third-Party Integrations Available(count) | 10,000+ | — | — |
| Code Generation Benchmark Score(%) | 92.3 | — | — |
| Reasoning Capability Rating(score (1-10)) | 8.5 | — | — |
| Free Tier Message Limit(messages/day) | 40 messages (GPT-4); unlimited (GPT-3.5) | — | — |
| ChatGPT Plus Monthly Cost(USD) | $20 | — | — |
| Response Speed(seconds) | 3-6 seconds average | — | — |
| Supported Languages(languages) | 95+ languages | — | — |
| Plus/Premium Subscription Cost(USD per month) | $20 | — | — |
| Third-Party Integrations(count) | 5,000+ verified GPTs and plugins | Native X integration only | |
| Code Completion Latency(milliseconds) | 1,200-2,000ms (requires API call and context setup) | — | — |
| Supported Programming Languages(count) | 20+ languages | — | — |
| Context Window(tokens) | 128,000 tokens (~96,000 words) | — | — |
| IDE Integration Support | 0 (web and API only) | — | — |
| Code Generation Accuracy (Python)(percent) | 67% correct on HumanEval benchmark | — | — |
| Context Switching Overhead(seconds per interaction) | 15-30 seconds (copy code, switch tabs, paste results) | — | — |
| Maximum Context Window(tokens) | 128,000 tokens (GPT-4o Pro) | — | — |
| Code Generation Benchmark(% correct (HumanEval)) | 78% accuracy | — | — |
| Monthly Subscription Cost(USD) | $20/month (Plus tier) | $14/month (X Premium) | |
| Response Latency(milliseconds) | 1,200-1,800ms average | — | — |
| API Cost (per 1M input tokens)(USD) | $15 | — | — |
| AIME 2024 Math Reasoning Accuracy(%) | 96% | — | — |
| Average Response Latency(ms) | 800ms | — | — |
| Subscription Cost(USD/month) | $20 (ChatGPT Plus) | — | — |
| Document Summarization Time (10K words)(seconds) | 8-12 seconds | — | — |
| Weekly Active Users(millions) | 200M+ weekly users | 3-5 million | |
| AIME Math Benchmark Accuracy(percent) | 92% | 90% | |
| HumanEval Code Generation Pass Rate(percent) | 90.2% | 89.5% | |
| MMLU Benchmark Score(percent) | 92% | — | — |
| API Input Cost(USD per 1M tokens) | $15 (GPT-4 Turbo) | — | — |
| Hallucination Rate on Factual Tasks(percent) | 8-12% | — | — |
| Context Window (Maximum Tokens)(tokens) | 128,000 tokens | — | — |
| Coding Task Accuracy (HumanEval Benchmark)(%) | 86.5% | — | — |
| Average Response Hallucination Rate(percent) | 8-12% | — | — |
| Free Tier Daily Message Limit(messages/day) | 40-50 (approximate) | — | — |
| Context Window (Conversation Memory)(tokens) | 12,000 tokens (GPT-4 Turbo) | — | — |
| Creative Writing User Satisfaction(percent) | 92% | — | — |
| Research/Fact-Checking Satisfaction(percent) | 76% | — | — |
| Premium Tier Monthly Cost(USD) | $20 (Plus) | — | — |
| Custom AI Assistants Available(count) | 500,000+ | — | — |
| Mathematical Reasoning Accuracy(%) | 86% (GPT-4 on AIME problems) | ~60% estimated | |
| Premium Subscription Cost(USD/month) | $20/month | $14/month (Premium X) | |
| Content Refusal Rate(%) | ~15% of edge-case queries | ~2% of queries | |
| Input Token Cost(USD per 1M tokens) | $0.03 (GPT-4 Turbo) | Included in Premium | |
| Supported Input Formats(types) | Text, images, PDFs, audio, video | Text, images via X API | |
| Code Generation Accuracy(percent) | 87% | — | — |
| Context Window Size(tokens) | 200,000 tokens (GPT-4o Turbo) | 128,000 | |
| Available Third-Party Integrations(platforms) | 1,000+ (via API, Zapier, Make, native integrations) | — | — |
| Maximum File Upload Size for Analysis(MB) | 120 MB per file (ChatGPT Plus) | — | — |
| In-Document Generation Speed(seconds) | 2-5 seconds (depends on query complexity) | — | — |
| Supported Languages for Code(count) | 50+ programming and markup languages | — | — |
| Complex Reasoning Accuracy (AIME Benchmark)(percentage) | ~50% | ~50% | |
| Monthly Subscription Cost (Premium)(USD) | $14/month (X Premium required) | $14/month (X Premium required) | |
| Code Generation Quality (HumanEval Benchmark)(percentage) | ~85% | ~85% | |
| Context Window (Token Limit)(tokens) | 128,000 tokens | 128,000 tokens | |
| Complex Reasoning Accuracy (AIME 2024)(percent) | 67% | 67% | |
| Code Generation Accuracy (HumanEval)(%) | 79% | 79% | |
| Subscription Cost (Primary Plan)(USD per month) | $14/month (X Premium) | $14/month (X Premium) | |
| Minimum Subscription Cost (Annual)(USD) | $168/year (X Premium+) | $168/year (X Premium+) | |
| Coding Performance (HumanEval Benchmark)(%) | 84.2% | 84.2% | |
| Mathematical Reasoning (MATH-500)(%) | 73% | 73% | |
| Premium Subscription Cost (Monthly)(USD) | $14 (X Premium) | $14 (X Premium) |
Sourced from publicly available data ·
Key Differences
7 attributes compared head-to-head
ChatGPT leads2 ties
G
2GrokChatGPT
Attribute
Grok
- Limited to training data (April 2024)Real-Time Internet AccessLive internet access via X platform(winner)
- 200+ million (as of 2024)(winner)User Base (Monthly Active Users)5-10 million estimated (2024)
- Professional, safety-focused, filteredResponse StyleIrreverent, edgy, less restrictive
- 5,000+ verified GPTs and plugins(winner)Integration EcosystemNative X integration only
- GPT-4 with 86% accuracy on AIME problems(winner)Reasoning Capability (Math/Logic)~60% estimated accuracy on reasoning tasks
- $0.03 (input) / $0.06 (output) for GPT-4Cost per 1M TokensFree for X Premium subscribers(winner)
- High content filtering, refusal rate ~15%Content Moderation StrictnessMinimal filtering, refusal rate ~2%
- Real-Time Internet Access
ChatGPT
Limited to training data (April 2024)
Grok
Live internet access via X platform(winner)
- User Base (Monthly Active Users)
ChatGPT
200+ million (as of 2024)(winner)
Grok
5-10 million estimated (2024)
- Response Style
ChatGPT
Professional, safety-focused, filtered
Grok
Irreverent, edgy, less restrictive
- Integration Ecosystem
ChatGPT
5,000+ verified GPTs and plugins(winner)
Grok
Native X integration only
- Reasoning Capability (Math/Logic)
ChatGPT
GPT-4 with 86% accuracy on AIME problems(winner)
Grok
~60% estimated accuracy on reasoning tasks
- Cost per 1M Tokens
ChatGPT
$0.03 (input) / $0.06 (output) for GPT-4
Grok
Free for X Premium subscribers(winner)
- Content Moderation Strictness
ChatGPT
High content filtering, refusal rate ~15%
Grok
Minimal filtering, refusal rate ~2%
Full Comparison
| Attribute | ChatGPT | Grok |
|---|---|---|
| Free Tier Quality | GPT-3.5 (basic) | — |
| Free Tier Model Quality(equivalent tier) | GPT-4o mini (capable) | — |
| Web Search | Yes | — |
| Real-Time Information Access | Knowledge cutoff with occasional browsing | Yes (via X/Twitter feed) |
| Free Tier Web Access | Limited or subscription-only | — |
| Real-Time Web Access (Free Tier) | No | — |
| Screen/Visual Analysis | Yes, via GPT-4 Vision in Plus/Pro tiers | — |
Show 15 more attributesReal-Time Data Access No (knowledge cutoff) Yes (via X integration) Multimodal Capability Score(capability level) Advanced (image, video, text, document analysis) — Image Generation Yes (DALL-E 3) Not available Mobile App Polished, top-rated — Real-Time Web Search Yes — Native Document Integration No - requires manual import — Supported Languages(languages) 95+ languages — Real-time Web Search (Free Tier) No (Plus only) — Vision Capability(supported formats) Advanced (GPT-4V with OCR, charts, diagrams) — Voice/Audio Capabilities Yes (voice input/output) — Real-time Web Access ChatGPT Plus subscribers only — Real-Time Web Search (Free) No (requires Plus) — Image Generation Capability DALL-E 3 (free + paid) — Web Browsing Capability Yes (Plus/Pro users) — Multimodal Input Support Text, images only — | ||
| Coding Blind Test Winner | Not favored | — |
| Long Document Handling | Moderate | — |
| Context Window (Paid Tier)(tokens) | 128,000 | — |
| Multimodal Support | Text, image, voice, video | — |
| Reasoning Task Performance | Very Strong (GPT-4o) | Strong (Grok-3) |
| Complex Reasoning Accuracy(performance rating) | GPT-4o: Superior accuracy on technical/logic problems | — |
Show 7 more attributesCreative Writing Instruction Adherence(quality rating) Excellent - follows detailed creative prompts precisely — Context Window (Tokens)(tokens) 128,000 — Multimodal Format Support(formats) 3 (text, image, voice) — Reasoning Capability Rating(score (1-10)) 8.5 — Supported Input Modalities Text, images, voice (limited) — Supported Input Formats(types) Text, images, PDFs, audio, video Text, images via X API Real-Time Information Live X/Twitter feed integration — | ||
| Execution Speed | Faster | — |
| Reasoning Benchmark Score(percentile) | Strong (GPT-4o/5.4 capable) | — |
| M365 Task Accuracy Rate(%) | 82% | — |
| Code Generation Benchmark Score(%) | 92.3 | — |
| Response Speed(seconds) | 3-6 seconds average | — |
Show 16 more attributesCode Completion Latency(milliseconds) 1,200-2,000ms (requires API call and context setup) — Response Latency(milliseconds) 1,200-1,800ms average — Average Response Latency(ms) 800ms — Document Summarization Time (10K words)(seconds) 8-12 seconds — AIME Math Benchmark Accuracy(percent) 92% 90% HumanEval Code Generation Pass Rate(percent) 90.2% 89.5% MMLU Benchmark Score(percent) 92% — Coding Task Accuracy (HumanEval Benchmark)(%) 86.5% — Code Generation Accuracy(percent) 87% — Context Window Size(tokens) 200,000 tokens (GPT-4o Turbo) 128,000 In-Document Generation Speed(seconds) 2-5 seconds (depends on query complexity) — Complex Reasoning Accuracy (AIME Benchmark)(percentage) ~50% — Code Generation Quality (HumanEval Benchmark)(percentage) ~85% — Code Generation Accuracy (HumanEval)(%) 79% — Coding Performance (HumanEval Benchmark)(%) 84.2% — Mathematical Reasoning (MATH-500)(%) 73% — | ||
| Market Adoption 2026 | Broader ecosystem | — |
| Primary Use Case | Conversational assistance & content generation | — |
| Reasoning Model Capability | o1/o3 advanced reasoning series | — |
| Pro Tier Monthly Cost(USD) | $20 | — |
| Plus Subscription Price(USD/month) | $20 | — |
| Minimum Monthly Cost for Advanced Features(USD) | $20 (Plus tier) | — |
| API Cost (Input Tokens)($ per million tokens) | $0.05-3.00 (varies by model) | — |
| Minimum Monthly Cost (Consumer)($) | $5 (ChatGPT Go) | — |
Show 24 more attributesSubscription Cost (Annual)(USD) $240 (ChatGPT Plus) $168 (X Premium) Monthly Premium Cost(USD) $20 (Plus) / $200 (Pro) — Premium Monthly Cost(USD) $20/month — Free Tier Availability Available (full GPT-3.5) Limited (X Premium required) Input Cost per Million Tokens(USD) $5.00 — Output Cost per Million Tokens(USD) $15.00 — Free tier GPT-5.5 mini (rate-limited) — Paid entry plan ChatGPT Plus $20/mo — Power-user tier Pro $100/mo · Pro Max $200/mo — Team plan ~$30/user/mo — API input (per 1M tokens) GPT-5.5: ~$2.50 — ChatGPT Plus Monthly Cost(USD) $20 — Monthly Cost(USD) $20 (ChatGPT Plus) — Monthly Subscription Cost(USD) $20/month (Plus tier) $14/month (X Premium) API Cost (per 1M input tokens)(USD) $15 — Subscription Cost(USD/month) $20 (ChatGPT Plus) — API Input Cost(USD per 1M tokens) $15 (GPT-4 Turbo) — Premium Tier Monthly Cost(USD) $20 (Plus) — Premium Subscription Cost(USD/month) $20/month $14/month (Premium X) Free Plan Available Yes (GPT-3.5 free tier with limited queries) — Monthly Subscription Cost (Premium)(USD) $14/month (X Premium required) — Subscription Cost (Primary Plan)(USD per month) $14/month (X Premium) — Minimum Subscription Cost (Annual)(USD) $168/year (X Premium+) — Premium Subscription Cost (Monthly)(USD) $14 (X Premium) — | ||
| Third-Party Integration Ecosystem | Hundreds of plugins and integrations | — |
| Third-Party App Integrations(integrations) | Thousands via Zapier and API | — |
| Third-Party Integrations(count) | 5,000+ verified GPTs and plugins(winner) | Native X integration only |
| Research Organization Features | Projects feature | — |
| Source Citation System | Available but not primary focus | — |
| Source Citations Provided(yes/no) | No | — |
| Model Customization Options | Custom GPTs with established ecosystem | — |
| Custom Instructions Support | Advanced custom instructions system | — |
| Parallel Model Processing | Single model per session | — |
| Memory & Context Window(tokens) | GPT-5.2 advanced context | — |
| Maximum File Upload Size for Analysis(MB) | 120 MB per file (ChatGPT Plus) | — |
| Real-Time Information Advantage(hours) | Web access in Plus tier | — |
| Information Synthesis Quality(rating) | Superior synthesis and judgment | — |
| SWE-bench Verified Score(%) | ~70% | — |
| Base AI Model | GPT-4, GPT-4o, o1, and newer models | — |
| Custom GPT/Agent Creation | Yes; extensive custom GPT ecosystem | — |
| Enterprise SLA & Compliance | Yes (ChatGPT Enterprise custom terms) | — |
| Enterprise Admin Controls | Basic (via API keys) | — |
| On-Premise Deployment | Limited (enterprise only) | — |
| User Interface Rating(stars out of 5) | Consumer-friendly, polished | — |
| Setup Time(minutes) | 5-10 (account creation, app download) | — |
| Monthly Active Users(millions) | 200+(winner) | 30.1 |
| Monthly Website Visits(millions) | 1,500+(winner) | 234.4 |
| Launch Date | November 2022 | November 2023 |
| Platform Availability | Web, iOS, Android, API | X Premium only |
| Open Source Model Weights | No | — |
| Primary User Age Demographic(% under 35) | Mixed | 50.87 |
| Platform Integration Points(platforms) | 1 (standalone web/app) | — |
| Cost for Annual Pro Usage(USD/year) | $240 (Plus annually) | — |
| Native Microsoft 365 Integration(integration level) | Manual copy-paste only | — |
| Windows OS Integration | Separate application | — |
| Google Workspace Integration | 3 | — |
| IDE Integration Support | 0 (web and API only) | — |
| Workspace Integration Type(null) | External (API + plugins) | — |
Show 4 more attributesNative Windows System Integration No — Available Third-Party Integrations(platforms) 1,000+ (via API, Zapier, Make, native integrations) — Developer API Availability Limited (X Premium subscribers only) — Workplace Integration X platform integration only — | ||
| Third-Party App Connections(apps) | Thousands via Zapier | — |
| Base Model Version | GPT-5.2 | — |
| Data Privacy Model | Processes public web data only | — |
| Third-Party Integrations Available(count) | 10,000+ | — |
| Headline model | GPT-5.5 (Plus/Pro) | — |
| Coding (SWE-bench Verified) | Strong (GPT-5.5) | — |
| Web grounding / citations | Yes (browse mode) | — |
| Multilingual quality | Strong across 50+ languages | — |
| Structured output / JSON mode | Strict JSON mode + tool calling | — |
Show 1 more attributeTraining data cut-off ~2025 (browse compensates) — | ||
| Image input | Yes | — |
| Voice mode | Yes — Advanced Voice | — |
| Agentic capability | Operator agent | — |
| Plugin Ecosystem(available plugins) | Largest (GPTs, Operator) | — |
| Custom AI Model Creation | Yes—Custom GPTs | — |
| Custom AI Assistants Available(count) | 500,000+ | — |
| Prompt caching (API) | Automatic on supported models | — |
| Fine-tuning (API) | GPT-5.5-class + 4o-mini | — |
| On-prem / self-host | Cloud-only (Azure OpenAI closest) | — |
| API rate limits (Tier 1) | ~500 RPM / 90K TPM (GPT-5.5) | — |
| Windows 11/12 Native Integration | No—requires web/app | — |
| Base Model Quality (Reasoning) | GPT-4o / o1 (advanced) | — |
| Advanced Reasoning Model(model name) | GPT-4o & o1 reasoning | — |
| Free Tier Message Limit(messages/day) | 40 messages (GPT-4); unlimited (GPT-3.5) | — |
| Native Office Document Integration | No—manual upload required | — |
| API Availability(text) | Full API with fine-tuning | Limited API access |
| Monthly Active Users(millions) | 200+ million(winner) | 5-10 million estimated |
| Free Tier Search Queries(queries per day) | Limited messages (no dedicated search) | — |
| Plus/Premium Subscription Cost(USD per month) | $20 | — |
| Source Citations(automatic inline) | Available (not default) | — |
| Knowledge Cutoff Date(month/year) | April 2024 | Real-time via X API |
| Supported Programming Languages(count) | 20+ languages | — |
| Context Window(tokens) | 128,000 tokens (~96,000 words) | — |
| Maximum Context Window(tokens) | 128,000 tokens (GPT-4o Pro) | — |
| Context Window (Maximum Tokens)(tokens) | 128,000 tokens | — |
| Context Window (Conversation Memory)(tokens) | 12,000 tokens (GPT-4 Turbo) | — |
Show 1 more attributeFree Tier Latest Model Access GPT-4o — | ||
| Code Generation Accuracy (Python)(percent) | 67% correct on HumanEval benchmark | — |
| Hallucination Rate on Factual Tasks(percent) | 8-12% | — |
| Average Response Hallucination Rate(percent) | 8-12% | — |
| Hallucination Rate(% on factual queries) | 8-12% | — |
| Context Switching Overhead(seconds per interaction) | 15-30 seconds (copy code, switch tabs, paste results) | — |
| Code Generation Benchmark(% correct (HumanEval)) | 78% accuracy | — |
| Video Understanding Capacity(hours) | Not supported (text/images only) | — |
| Image Analysis Capability(null) | Available (vision-enabled) | — |
| AIME 2024 Math Reasoning Accuracy(%) | 96% | — |
| Training Data Recency | Current (December 2024) | Real-time (0 months) |
| Weekly Active Users(millions) | 200M+ weekly users(winner) | 3-5 million |
| Knowledge Currency | April 2024 cutoff | Real-time (live internet) |
| Content Filtering Strictness | Strict safety guidelines | Minimal filters |
| Content Moderation Strictness(level) | Minimal - answers most queries | — |
| Content Moderation Level | Minimal | — |
| Free Tier Daily Message Limit(messages/day) | 40-50 (approximate) | — |
| Creative Writing User Satisfaction(percent) | 92% | — |
| Research/Fact-Checking Satisfaction(percent) | 76% | — |
| Mathematical Reasoning Accuracy(%) | 86% (GPT-4 on AIME problems)(winner) | ~60% estimated |
| Content Refusal Rate(%) | ~15% of edge-case queries | ~2% of queries(winner) |
| Input Token Cost(USD per 1M tokens) | $0.03 (GPT-4 Turbo) | Included in Premium(winner) |
| Code Generation Capability Level(complexity) | Advanced (multi-file, architecture design, debugging) | — |
| Supported Languages for Code(count) | 50+ programming and markup languages | — |
| Context Window (Token Limit)(tokens) | 128,000 tokens | — |
| Complex Reasoning Accuracy (AIME 2024)(percent) | 67% | — |
| Code Generation Performance(benchmark) | Capable but limited optimization | — |
| Video Processing Capability | No | — |
ChatGPTGGrok
Free Tier Quality
GPT-3.5 (basic)
—
Free Tier Model Quality(equivalent tier)
GPT-4o mini (capable)
—
Web Search
Yes
—
Real-Time Information Access
Knowledge cutoff with occasional browsing
Yes (via X/Twitter feed)
Free Tier Web Access
Limited or subscription-only
—
Real-Time Web Access (Free Tier)
No
—
Screen/Visual Analysis
Yes, via GPT-4 Vision in Plus/Pro tiers
—
Show 15 more attributes
Real-Time Data Access
No (knowledge cutoff)
Yes (via X integration)
Multimodal Capability Score(capability level)
Advanced (image, video, text, document analysis)
—
Image Generation
Yes (DALL-E 3)
Not available
Mobile App
Polished, top-rated
—
Real-Time Web Search
Yes
—
Native Document Integration
No - requires manual import
—
Supported Languages(languages)
95+ languages
—
Real-time Web Search (Free Tier)
No (Plus only)
—
Vision Capability(supported formats)
Advanced (GPT-4V with OCR, charts, diagrams)
—
Voice/Audio Capabilities
Yes (voice input/output)
—
Real-time Web Access
ChatGPT Plus subscribers only
—
Real-Time Web Search (Free)
No (requires Plus)
—
Image Generation Capability
DALL-E 3 (free + paid)
—
Web Browsing Capability
Yes (Plus/Pro users)
—
Multimodal Input Support
Text, images only
—
Coding Blind Test Winner
Not favored
—
Long Document Handling
Moderate
—
Context Window (Paid Tier)(tokens)
128,000
—
Multimodal Support
Text, image, voice, video
—
Reasoning Task Performance
Very Strong (GPT-4o)
Strong (Grok-3)
Complex Reasoning Accuracy(performance rating)
GPT-4o: Superior accuracy on technical/logic problems
—
Show 7 more attributes
Creative Writing Instruction Adherence(quality rating)
Excellent - follows detailed creative prompts precisely
—
Context Window (Tokens)(tokens)
128,000
—
Multimodal Format Support(formats)
3 (text, image, voice)
—
Reasoning Capability Rating(score (1-10))
8.5
—
Supported Input Modalities
Text, images, voice (limited)
—
Supported Input Formats(types)
Text, images, PDFs, audio, video
Text, images via X API
Real-Time Information
Live X/Twitter feed integration
—
Execution Speed
Faster
—
Reasoning Benchmark Score(percentile)
Strong (GPT-4o/5.4 capable)
—
M365 Task Accuracy Rate(%)
82%
—
Code Generation Benchmark Score(%)
92.3
—
Response Speed(seconds)
3-6 seconds average
—
Show 16 more attributes
Code Completion Latency(milliseconds)
1,200-2,000ms (requires API call and context setup)
—
Response Latency(milliseconds)
1,200-1,800ms average
—
Average Response Latency(ms)
800ms
—
Document Summarization Time (10K words)(seconds)
8-12 seconds
—
AIME Math Benchmark Accuracy(percent)
92%
90%
HumanEval Code Generation Pass Rate(percent)
90.2%
89.5%
MMLU Benchmark Score(percent)
92%
—
Coding Task Accuracy (HumanEval Benchmark)(%)
86.5%
—
Code Generation Accuracy(percent)
87%
—
Context Window Size(tokens)
200,000 tokens (GPT-4o Turbo)
128,000
In-Document Generation Speed(seconds)
2-5 seconds (depends on query complexity)
—
Complex Reasoning Accuracy (AIME Benchmark)(percentage)
~50%
—
Code Generation Quality (HumanEval Benchmark)(percentage)
~85%
—
Code Generation Accuracy (HumanEval)(%)
79%
—
Coding Performance (HumanEval Benchmark)(%)
84.2%
—
Mathematical Reasoning (MATH-500)(%)
73%
—
Market Adoption 2026
Broader ecosystem
—
Primary Use Case
Conversational assistance & content generation
—
Reasoning Model Capability
o1/o3 advanced reasoning series
—
Pro Tier Monthly Cost(USD)
$20
—
Plus Subscription Price(USD/month)
$20
—
Minimum Monthly Cost for Advanced Features(USD)
$20 (Plus tier)
—
API Cost (Input Tokens)($ per million tokens)
$0.05-3.00 (varies by model)
—
Minimum Monthly Cost (Consumer)($)
$5 (ChatGPT Go)
—
Show 24 more attributes
Subscription Cost (Annual)(USD)
$240 (ChatGPT Plus)
$168 (X Premium)
Monthly Premium Cost(USD)
$20 (Plus) / $200 (Pro)
—
Premium Monthly Cost(USD)
$20/month
—
Free Tier Availability
Available (full GPT-3.5)
Limited (X Premium required)
Input Cost per Million Tokens(USD)
$5.00
—
Output Cost per Million Tokens(USD)
$15.00
—
Free tier
GPT-5.5 mini (rate-limited)
—
Paid entry plan
ChatGPT Plus $20/mo
—
Power-user tier
Pro $100/mo · Pro Max $200/mo
—
Team plan
~$30/user/mo
—
API input (per 1M tokens)
GPT-5.5: ~$2.50
—
ChatGPT Plus Monthly Cost(USD)
$20
—
Monthly Cost(USD)
$20 (ChatGPT Plus)
—
Monthly Subscription Cost(USD)
$20/month (Plus tier)
$14/month (X Premium)
API Cost (per 1M input tokens)(USD)
$15
—
Subscription Cost(USD/month)
$20 (ChatGPT Plus)
—
API Input Cost(USD per 1M tokens)
$15 (GPT-4 Turbo)
—
Premium Tier Monthly Cost(USD)
$20 (Plus)
—
Premium Subscription Cost(USD/month)
$20/month
$14/month (Premium X)
Free Plan Available
Yes (GPT-3.5 free tier with limited queries)
—
Monthly Subscription Cost (Premium)(USD)
$14/month (X Premium required)
—
Subscription Cost (Primary Plan)(USD per month)
$14/month (X Premium)
—
Minimum Subscription Cost (Annual)(USD)
$168/year (X Premium+)
—
Premium Subscription Cost (Monthly)(USD)
$14 (X Premium)
—
Third-Party Integration Ecosystem
Hundreds of plugins and integrations
—
Third-Party App Integrations(integrations)
Thousands via Zapier and API
—
Third-Party Integrations(count)
5,000+ verified GPTs and plugins
Native X integration only
Research Organization Features
Projects feature
—
Source Citation System
Available but not primary focus
—
Source Citations Provided(yes/no)
No
—
Model Customization Options
Custom GPTs with established ecosystem
—
Custom Instructions Support
Advanced custom instructions system
—
Parallel Model Processing
Single model per session
—
Memory & Context Window(tokens)
GPT-5.2 advanced context
—
Maximum File Upload Size for Analysis(MB)
120 MB per file (ChatGPT Plus)
—
Real-Time Information Advantage(hours)
Web access in Plus tier
—
Information Synthesis Quality(rating)
Superior synthesis and judgment
—
SWE-bench Verified Score(%)
~70%
—
Base AI Model
GPT-4, GPT-4o, o1, and newer models
—
Custom GPT/Agent Creation
Yes; extensive custom GPT ecosystem
—
Enterprise SLA & Compliance
Yes (ChatGPT Enterprise custom terms)
—
Enterprise Admin Controls
Basic (via API keys)
—
On-Premise Deployment
Limited (enterprise only)
—
User Interface Rating(stars out of 5)
Consumer-friendly, polished
—
Setup Time(minutes)
5-10 (account creation, app download)
—
Monthly Active Users(millions)
200+
30.1
Monthly Website Visits(millions)
1,500+
234.4
Launch Date
November 2022
November 2023
Platform Availability
Web, iOS, Android, API
X Premium only
Open Source Model Weights
No
—
Primary User Age Demographic(% under 35)
Mixed
50.87
Platform Integration Points(platforms)
1 (standalone web/app)
—
Cost for Annual Pro Usage(USD/year)
$240 (Plus annually)
—
Native Microsoft 365 Integration(integration level)
Manual copy-paste only
—
Windows OS Integration
Separate application
—
Google Workspace Integration
3
—
IDE Integration Support
0 (web and API only)
—
Workspace Integration Type(null)
External (API + plugins)
—
Show 4 more attributes
Native Windows System Integration
No
—
Available Third-Party Integrations(platforms)
1,000+ (via API, Zapier, Make, native integrations)
—
Developer API Availability
Limited (X Premium subscribers only)
—
Workplace Integration
X platform integration only
—
Third-Party App Connections(apps)
Thousands via Zapier
—
Base Model Version
GPT-5.2
—
Data Privacy Model
Processes public web data only
—
Third-Party Integrations Available(count)
10,000+
—
Headline model
GPT-5.5 (Plus/Pro)
—
Coding (SWE-bench Verified)
Strong (GPT-5.5)
—
Web grounding / citations
Yes (browse mode)
—
Multilingual quality
Strong across 50+ languages
—
Structured output / JSON mode
Strict JSON mode + tool calling
—
Show 1 more attribute
Training data cut-off
~2025 (browse compensates)
—
Image input
Yes
—
Voice mode
Yes — Advanced Voice
—
Agentic capability
Operator agent
—
Plugin Ecosystem(available plugins)
Largest (GPTs, Operator)
—
Custom AI Model Creation
Yes—Custom GPTs
—
Custom AI Assistants Available(count)
500,000+
—
Prompt caching (API)
Automatic on supported models
—
Fine-tuning (API)
GPT-5.5-class + 4o-mini
—
On-prem / self-host
Cloud-only (Azure OpenAI closest)
—
API rate limits (Tier 1)
~500 RPM / 90K TPM (GPT-5.5)
—
Windows 11/12 Native Integration
No—requires web/app
—
Base Model Quality (Reasoning)
GPT-4o / o1 (advanced)
—
Advanced Reasoning Model(model name)
GPT-4o & o1 reasoning
—
Free Tier Message Limit(messages/day)
40 messages (GPT-4); unlimited (GPT-3.5)
—
Native Office Document Integration
No—manual upload required
—
API Availability(text)
Full API with fine-tuning
Limited API access
Monthly Active Users(millions)
200+ million
5-10 million estimated
Free Tier Search Queries(queries per day)
Limited messages (no dedicated search)
—
Plus/Premium Subscription Cost(USD per month)
$20
—
Source Citations(automatic inline)
Available (not default)
—
Knowledge Cutoff Date(month/year)
April 2024
Real-time via X API
Supported Programming Languages(count)
20+ languages
—
Context Window(tokens)
128,000 tokens (~96,000 words)
—
Maximum Context Window(tokens)
128,000 tokens (GPT-4o Pro)
—
Context Window (Maximum Tokens)(tokens)
128,000 tokens
—
Context Window (Conversation Memory)(tokens)
12,000 tokens (GPT-4 Turbo)
—
Show 1 more attribute
Free Tier Latest Model Access
GPT-4o
—
Code Generation Accuracy (Python)(percent)
67% correct on HumanEval benchmark
—
Hallucination Rate on Factual Tasks(percent)
8-12%
—
Average Response Hallucination Rate(percent)
8-12%
—
Hallucination Rate(% on factual queries)
8-12%
—
Context Switching Overhead(seconds per interaction)
15-30 seconds (copy code, switch tabs, paste results)
—
Code Generation Benchmark(% correct (HumanEval))
78% accuracy
—
Video Understanding Capacity(hours)
Not supported (text/images only)
—
Image Analysis Capability(null)
Available (vision-enabled)
—
AIME 2024 Math Reasoning Accuracy(%)
96%
—
Training Data Recency
Current (December 2024)
Real-time (0 months)
Weekly Active Users(millions)
200M+ weekly users
3-5 million
Knowledge Currency
April 2024 cutoff
Real-time (live internet)
Content Filtering Strictness
Strict safety guidelines
Minimal filters
Content Moderation Strictness(level)
Minimal - answers most queries
—
Content Moderation Level
Minimal
—
Free Tier Daily Message Limit(messages/day)
40-50 (approximate)
—
Creative Writing User Satisfaction(percent)
92%
—
Research/Fact-Checking Satisfaction(percent)
76%
—
Mathematical Reasoning Accuracy(%)
86% (GPT-4 on AIME problems)
~60% estimated
Content Refusal Rate(%)
~15% of edge-case queries
~2% of queries
Input Token Cost(USD per 1M tokens)
$0.03 (GPT-4 Turbo)
Included in Premium
Code Generation Capability Level(complexity)
Advanced (multi-file, architecture design, debugging)
—
Supported Languages for Code(count)
50+ programming and markup languages
—
Context Window (Token Limit)(tokens)
128,000 tokens
—
Complex Reasoning Accuracy (AIME 2024)(percent)
67%
—
Code Generation Performance(benchmark)
Capable but limited optimization
—
Video Processing Capability
No
—
Pros & Cons
10 pros·6 cons across both
G
ChatGPT
+5-3
Pros
- 200+ million monthly active users with established trust and reviews
- Advanced reasoning with GPT-4 model achieving 86% accuracy on AIME mathematical problems
- 5,000+ verified GPTs and third-party plugins for integration with productivity tools
- Multimodal capabilities: handles text, images, PDFs, and voice input seamlessly
- Custom GPT builder allowing non-technical users to create specialized AI agents
Cons
- Knowledge cutoff at April 2024 limits accuracy for current events and real-time data
- Content filtering with ~15% refusal rate on edge-case queries limits creative freedom
- Premium tier costs $20/month, making it expensive for casual users compared to free alternatives
G
Grok
+5-3
Pros
- Live internet access via X Platform API enables real-time current events, stock prices, and breaking news
- Free access for X Premium subscribers ($168/year) versus ChatGPT's $240/year subscription
- Minimal content moderation with <2% refusal rate allows unrestricted responses on controversial topics
- Edgy, humorous personality resonates with X user culture and younger demographics
- Lower operational costs through Elon Musk's xAI infrastructure investment
Cons
- Only 5-10 million estimated users versus ChatGPT's 200+ million, limiting community resources and third-party tools
- Estimated 60% accuracy on complex reasoning tasks compared to ChatGPT's 86% on mathematical problems
- Limited to X ecosystem with minimal third-party integrations or plugin support for external workflows
Frequently Asked Questions
5 questions
Yes, both offer free tiers. ChatGPT's free tier uses GPT-3.5 with limited features. Grok is free for X Premium subscribers only (not free tier users). If you want zero-cost access to advanced AI, ChatGPT's free tier (GPT-3.5) is the only option, though it's less capable than paid models.
Resources & Learn More
Curated sources to dive deeper
Where to Buy
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Wikipedia
SmartReview Ratings
Aggregated ratings from Reddit, G2, Capterra, Trustpilot & more
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