Short answer: Gamma if the job is "turn this outline into a deck tonight" — generation-first slides, docs, and web-style pages from a prompt. Canva AI if design is already your home and AI is one more tool inside a full suite (social, print, video, brand kit). Most people should not pay for both for decks. Run one real deck through each before you add a second bill.
The one-deck test
- Take a real outline you actually need (a sales deck, a class lecture, a project update).
- Generate it in Gamma from the outline. Recreate it in Canva with Magic Studio / AI features you already have.
- Score: first-pass acceptance, how much you fought layout, whether you would send it to a client or a class.
- Check whether you already pay for Canva — if yes, the honest test is "does Gamma beat the suite I already have?" Price any upgrade on Pricing Watch.
Where each one wins
Gamma
- Generation-first: outline to a complete deck faster than a blank Canva page.
- Better when slides are the product, not one format among twenty.
- The right pick if you do not already live in Canva and you will make decks weekly.
Canva AI
- A full design suite: social, print, video, brand kits — decks are one surface.
- Better when the team already has Canva and the job is "on brand everywhere," not "one great slide story."
- AI features that help inside a workflow you already paid for — often the cheaper path.
Overlap warning
If Canva is already in the stack, Gamma has to beat it on the one-deck test or it is a second subscription for the same job. If you only make decks, Canva's extra surfaces are cost you will not use. Keep one paid design seat for slides unless you have two distinct jobs (weekly generated decks vs brand-kit social).
Decision summary
Pick Gamma for generation-first decks as the main job. Pick Canva AI if the suite is already home. Already paying for Canva? Do not add Gamma until the one-deck test loses on Canva. Verify current plans on Pricing Watch.
Frequently asked questions
Is Gamma just ChatGPT plus slides?
No — the product is the layout and the share surface, not the prose. You can draft in ChatGPT and still lose an hour in PowerPoint. Gamma's job is skipping that hour. Test with your outline, not a feature list.
Does Canva Magic Studio replace Gamma?
For many Canva shops, yes. That is why the one-deck test exists. If Magic Studio already ships a deck you would send, you do not need Gamma.
Related: Gamma vs Canva AI comparison · Gamma review · Canva AI review · Keep/Cut Weekly