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Gamma vs PPT.AI

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Gamma starts at $8, PPT.AI at $9.90. Both have a free tier. Both ship a public API.

GammaPrompts become decks, docs and sites you can publishPPT.AITurns a document, PDF, spreadsheet, URL, image or YouTube video into an editable PowerPoint deck

Side by side

FactGammaPPT.AI
CategoryPresentation & Slide GeneratorsPresentation & Slide Generators
Pricing modelFreemiumFreemium
Starts at$8 month$9.90 month
Public APIYesYes
PlatformsWeb, APIWeb, Chrome Ext, API
CompanyGamma—
Launched2020—
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Gamma

The tool that genuinely displaced PowerPoint for a lot of people, and it is profitable enough not to need your money — but credits, not seats, decide how much a plan is actually worth.

Pros

  • Layout and image choice happen without picking a template first
  • One document publishes as a deck, a doc or a live web page
  • Plus at $8/user/month already removes the Gamma badge
  • Profitable at over $100M ARR, so the vendor is not a runway risk

Cons

  • Credit accounting is opaque — a premium image can cost up to 125 credits
  • API keys are locked to Pro and above
  • The free plan's 400 signup credits do not go far on image-rich decks
  • Export fidelity to PowerPoint degrades on complex layouts

PPT.AI

The useful part is the breadth of what it will swallow — a YouTube link and a spreadsheet go in the same slot as a PDF — combined with a real PPTX export, which is what separates these tools from the ones that trap your deck in their own editor. Quotas are generous at the price. It is a first-draft machine: expect to restructure the argument yourself, because the tool matches the shape of the source rather than the shape of the talk.

Pros

  • Ingests Word, PDF, text, Markdown, spreadsheets, images, URLs and YouTube videos
  • Exports to PPTX as well as PDF, so decks remain editable in PowerPoint
  • Documented developer API at developer.ppt.ai for programmatic generation
  • Chrome extension pulls web pages in as source without copy-paste
  • Free tier is a real three-deck allowance, not a single trial run

Cons

  • Plans meter whole decks per month, so iterating on one deck can burn quota
  • No operating company, country or founding year is disclosed anywhere on the site
  • Time-saving and slide-count claims are the vendor's own with no methodology given

Which one fits

Choose Gamma if you need

  • Anyone who needs a presentable deck out of rough notes in minutes
  • Teams publishing one-page sites and documents without a website tool
  • Users who want AI layout but expect to keep editing afterwards

Choose PPT.AI if you need

  • Turning an existing report or spec into a starting deck in minutes
  • Anyone who has to hand the final file to someone who works in PowerPoint
  • Teams generating decks programmatically from a content pipeline via the API

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