Gamma
Prompt-to-deck, doc and site generation.
Full Gamma record →Head to head
Gamma vs ChatGPT
Gamma (Gamma) and ChatGPT (OpenAI) both sit in Writing. ChatGPT is the cheaper entry point at Pricing not published in the provided documentation. ChatGPT shipped more tracked changes in the last 30 days (12 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Gamma Gamma | ChatGPT OpenAI |
|---|---|---|
| Segment | Writing | Writing |
| Version | Gamma 3 | GPT-6 Astra |
| Entry cost | Free tier · from $10/mo | Pricing not published in the provided documentation |
| Pricing tiers | — | Free Tier free |
| Model stack | Claude · GPT-5 | GPT Image · GPT-5.2 · GPT-5.2 Thinking · GPT-5.4 · gpt-5.6 · gpt-6-astra |
| Context window | — | 196K tokens on Plus |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 12 |
| Origin | Global | Global |
| Capabilities | Deck generation, Brand themes, Publish to web | Voice mode, Deep research, Canvas, Agent mode, Projects, Connectors, Realtime API, Voice agents |
ChatGPT
The most widely used consumer AI assistant, spanning writing, analysis, images and voice.
Full ChatGPT record →