Gamma

Gamma is an AI presentation generator. You give it a topic, an outline, or a pasted document, and it produces a complete slide deck — structured sections, generated imagery, consistent styling, and a logical narrative flow. It also generates documents and simple one-page websites from the same interface, but presentations are the core use case and the reason most people sign up.

The generation flow works in two steps. First, Gamma proposes an outline based on your prompt, which you can edit before committing — this is where you shape what the deck actually covers. Then it generates the full deck card by card. Each "card" is a slide that adapts its layout to the content rather than forcing content into fixed slide geometry, which is why Gamma decks rarely have the overflowing-text problem that raw AI generation produces in PowerPoint.

Editing happens in Gamma's own editor. It is closer to Notion than to PowerPoint: blocks you rearrange, prompts you can run on individual cards ("make this more concise", "add a comparison table"), and a theme system that restyles the whole deck at once. The Gamma site runs entirely in the browser — there is no desktop application.

The free plan includes 400 AI credits at signup, which do not refresh, up to 10 slides per prompt, and export to PDF, PowerPoint, PNG, and Google Slides. Sharing a deck as a live Gamma link is free. What the free plan does not include: removing Gamma branding, longer decks per prompt, and monthly credits — those start with the Plus plan at $9 per month billed annually.

Gamma's defining trade-off is that it optimises for the first 90% of a deck and gives you less control over the last 10%.

The first 90% is where Gamma is genuinely better than the alternatives. Getting from nothing to a structured, presentable deck takes minutes. The AI understands presentation logic — problem before solution, agenda upfront, one idea per slide — so the output has narrative structure, not just formatted text. For internal reviews, sales conversations, client kickoffs, and lecture materials, the generated deck plus 15 minutes of editing is presentation-ready.

The last 10% is where design tools win. If you need pixel-level control — exact brand colours, custom layouts, a specific visual identity — Gamma's theme system is a constraint rather than a convenience. Decks made in Gamma tend to look like decks made in Gamma. Canva AI gives far more visual control at the cost of doing much less thinking for you; the full breakdown of when each tool wins is in our AI presentation tools guide.

A practical detail that matters more than it sounds: Gamma decks are designed to be shared as live links. The link is free to share, always shows the latest version, and works on any device. If your audience expects an attached .pptx file — common in corporate and government contexts — you can export one even on the free plan, but the export loses some of the adaptive-layout behaviour that makes Gamma decks look good in the first place.

Gamma's free plan is one of the more genuinely usable free tiers in the AI tool market. It includes 400 credits at signup — they do not refresh, so how far they go depends on how many slides and AI images you generate — plus live-link sharing and export to PDF, PowerPoint, PNG, and Google Slides. For someone who presents occasionally and does not mind Gamma branding, the free plan covers the whole workflow until the credits run out.

The Plus plan at $9/month billed annually ($12 monthly) removes Gamma branding, adds 1,000 credits a month, raises the limit to 100 slides per prompt, and adds advanced image models. Pro at $18/month billed annually adds 4,000 credits, premium image models, custom branding, and detailed analytics. The trigger for upgrading is usually running out of free credits or needing branding-free decks for clients. Current plans are on Gamma's pricing page.

Compared to the category: Gamma Plus at $9/month billed annually is cheaper than Canva Pro at $144 a year in the US and far cheaper than Beautiful.ai's Team plan at $40/user/month billed annually. Microsoft Copilot inside PowerPoint requires a Microsoft 365 Copilot licence, which is priced for organisations rather than individuals.

For most individual users the honest recommendation is: start free, use up the signup credits, and pay only when you need more credits or branding-free decks. The pricing comparison across all the tools we track shows where $9/month sits in the broader market — near the bottom, which is part of why Gamma spread as fast as it did.

The AI presentation category has three serious options plus one incumbent, and they divide by what you are optimising for.

Gamma wins on generation quality and speed. Its decks have better narrative structure out of the box than anything else in the category, and the free plan is the most generous. It is the default recommendation for individuals and small teams.

Canva AI wins on visual production. Its Magic Design generates presentation drafts, but the real strength is the surrounding design platform — brand kits, image editing, a huge template library. If your bottleneck is how slides look rather than what they say, Canva is the better tool. It is also the natural choice if you already pay for Canva Pro.

Beautiful.ai wins for brand-controlled teams. Its Smart Slides enforce design rules automatically, which keeps a 30-person sales team's decks consistent. At $40/user/month billed annually for the Team plan it is priced for exactly that problem and is overkill for solo use.

Microsoft Copilot in PowerPoint wins on ecosystem lock-in. If your organisation lives in Microsoft 365, has a Copilot licence, and requires .pptx everywhere, staying inside PowerPoint beats exporting from an external tool. The generation quality trails Gamma's, but the workflow friction is zero.

For the fuller version of this comparison including tools we tested and rejected, see the best AI presentation tools guide.

Do not use Gamma if your organisation requires branded .pptx files as the working format. Gamma's PowerPoint export produces a static snapshot of an adaptive layout — it works, but the deck loses the responsive behaviour that made it look good, and round-tripping edits between Gamma and PowerPoint is not a real workflow. Teams that live in PowerPoint should use Copilot inside PowerPoint instead.

Do not use Gamma for investor pitch decks or brand-critical presentations where visual distinctiveness matters. The generated aesthetic is clean but recognisable, and a sophisticated audience has seen it before. High-stakes decks deserve either a designer or the manual control of Canva.

Do not use Gamma if you present rarely — once or twice a year. The tool's value is speed at volume; for the occasional deck, the PowerPoint or Google Slides you already have does the job without another account.

And do not expect Gamma to know your content. It generates structure and prose from its training data, which means factual claims, numbers, and anything specific to your business must come from you or be checked by you. A generated deck full of unverified AI claims presented to a client is a professional risk no tool discount justifies. Gamma compresses the production of a presentation; the thinking is still your job.