ChatGPT
The most widely used consumer AI assistant, spanning writing, analysis, images and voice.
Full ChatGPT record →Head to head
ChatGPT (OpenAI) and Grok (xAI) both sit in Writing. Grok is the cheaper entry point at from $2/mo. Grok shipped more tracked changes in the last 30 days (10 vs 4). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | ChatGPT OpenAI | Grok xAI |
|---|---|---|
| Segment | Writing | Writing |
| Version | GPT-6 | Grok 4.7 |
| Entry cost | Free tier · from $20/mo | from $2/mo |
| Pricing tiers | ChatGPT Free free · ChatGPT Plus $20 | Grok 4.7 Input (per 1M tokens) $2 · Grok 4.7 Output (per 1M tokens) $6 |
| Model stack | Astra · Codex · GPT Image · GPT-4 · GPT-4o · GPT-4o mini · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · GPT-6 · gpt-6-astra · GPT-Live-1 · o1 · o3-mini | grok-4.5 · grok-4.6 · grok-4.7 · grok-imagine-image · grok-imagine-image-2.0 · grok-imagine-image-quality · grok-imagine-video · grok-imagine-video-1.5 |
| Context window | 196K tokens on Plus | 500000 |
| Public API | ||
| Routes models | ||
| Changes / 30d | 4 | 10 |
| Origin | Global | Global |
| Capabilities | Voice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents | Real-time X search, Think and Big Brain modes, Voice mode, Image generation, API access, text generation, agentic coding, voice agent |
The most widely used consumer AI assistant, spanning writing, analysis, images and voice.
Full ChatGPT record →Grok pairs xAI's in-house models with live access to the X firehose, sold standalone and bundled into X Premium tiers.
Full Grok record →