Gamma starts at $8/mo, 60% cheaper than ChatGPT's $20/mo. Both rated 4.7/5 by users.

AI presentation and document creator that generates complete, beautifully designed decks from a single prompt in seconds.

AI chatbot by OpenAI — the most widely used AI assistant for writing, coding, and analysis.


Independent analysis based on features, pricing, and user ratings
Gamma uniquely offers AI presentations, One-prompt generation, Auto-design. ChatGPT uniquely offers AI text generation, Code assistance, Image generation. Both share 0 features.
Gamma starts at $8/mo, 60% cheaper than ChatGPT's $20/mo.

Free tier available

Free tier available