Gamma
Account needed
Gamma
400 credits once at sign-up for presentations, docs and sites; they don't refill. Plus 200 for each friend you invite, up to 2,000.
checked Oct 17
Free AI for presentations
These tools build slides from a topic or your own text. Free limits vary a lot, from one-time credits to monthly uses.
Tip to stretch the free limit
Get the slide outline from a free chatbot first, then use Gamma or Canva only for the design, so you spend fewer credits.
Ready-to-copy prompt
Outline an 8-slide presentation on [topic] for [audience]: a title for each slide, 3 short bullet points and an image idea.
The picks, in the order we'd try them
Canva
Account needed
Canva
Up to 20 uses per month of Standard or Premium AI tools, reset on the 1st at 00:00 UTC. Ultra tools aren't included.
checked Oct 16 · ⚠
Microsoft
Account needed
Microsoft Copilot
A limited free version that depends on available capacity, with no numbers published. When you hit the limit, you wait or upgrade.
checked Oct 17
OpenAI
No sign-up
ChatGPT
Everyday text chats with no fixed message cap (with abuse protection). File uploads, image creation, voice and deep research are limited, with no numbers published.
checked Oct 16 · ⚠
Google
Sign-up optional
Gemini
Standard usage limits refresh every 5 hours up to a weekly cap, with no usage numbers published. Context window of 32k tokens. Deep Research may be unavailable at peak demand.
checked Oct 17
Other tasks
Updated