# SlidesAI Alternatives 2027: 11 Paid, Free & Open-Source

Source: https://zekaiwork.com/alternatives/slidesai/
Prices checked: 2026-11-13 (Zekai Price Ledger)

The best SlidesAI alternatives in 2027 are Gamma (best overall), Slidesgo (best free plan: 3 AI presentations a month) and Presenton (best open source, Apache-2.0). SlidesAI itself starts at $10/user/mo billed yearly. Zekai checked these prices on vendor pages on 13 Nov 2026; 8 more are compared below, including 1 with a free plan and 2 open source.

| Tool | Type | Starting price | Free plan limit | Licence | Best for | Price checked | Links |
|---|---|---|---|---|---|---|---|
| SlidesAI (the tool being replaced) | — | $10/user/mo billed yearly | 200 AI credits a month, 2,500 characters | — | — | 2026-11-13 | [pricing](https://www.slidesai.io/pricing) |
| Gamma | Free | Free plan; paid price not published | 400 AI credits at signup, 10 cards per gamma, 20,000 token inputs | — | Prompt-to-deck with web-page output | 2026-11-13 | [site](https://gamma.app) [pricing](https://gamma.app/pricing) [Zekai page](https://zekaiwork.com/ai-tools/gamma/) |
| MagicSlides | Paid | $6.67/mo billed yearly | No free plan | — | Cheap Google Slides add-on with 100+ languages | 2026-11-13 | [site](https://www.magicslides.app) [pricing](https://www.magicslides.app/pricing) [Zekai page](https://zekaiwork.com/ai-tools/magicslides/) |
| Slidesgo | Free plan + paid | $3.00/mo billed yearly | 3 AI presentations and 3 template downloads a month | — | Template-first decks, strong for classrooms | 2026-11-13 | [site](https://www.slidesgo.com) [pricing](https://www.slidesgo.com/pricing) [Zekai page](https://zekaiwork.com/ai-tools/slidesgo/) |
| Plus AI | Paid | $10/user/mo billed yearly | No free plan | — | AI inside Google Slides and PowerPoint | 2026-11-13 | [site](https://www.plusdocs.com) [pricing](https://www.plusdocs.com/pricing) [Zekai page](https://zekaiwork.com/ai-tools/plus-ai/) |
| Beautiful.ai | Paid | $14.50/mo billed yearly | No free plan | — | Auto-designed slides with locked brand themes | 2026-11-13 | [site](https://www.beautiful.ai) [pricing](https://www.beautiful.ai/pricing) [Zekai page](https://zekaiwork.com/ai-tools/beautiful-ai/) |
| Decktopus | Paid | $24.99/mo | No free plan | — | Deck plus delivery rehearsal coaching | 2026-11-13 | [site](https://www.decktopus.com) [pricing](https://www.decktopus.com/pricing) [Zekai page](https://zekaiwork.com/ai-tools/decktopus/) |
| Pitch | Free plan + paid | $13/mo billed yearly | 100 AI credits that do not renew, up to 5 members, 2 guests | — | Team decks in a shared workspace | 2026-11-13 | [site](https://pitch.com) [pricing](https://pitch.com/pricing) [Zekai page](https://zekaiwork.com/ai-tools/pitch/) |
| Prezi | Paid | $7/mo billed yearly | No free plan | — | Non-linear zoomable presentations | 2026-11-13 | [site](https://prezi.com) [pricing](https://prezi.com/pricing/) [Zekai page](https://zekaiwork.com/ai-tools/prezi/) |
| Presenton | Open source | Free (self-hosted) | No limit (self-hosted) | Apache-2.0 | Self-hosted AI decks with your own key |  | [site](https://github.com/presenton/presenton) [code](https://github.com/presenton/presenton) [Zekai page](https://zekaiwork.com/free-open-source/presenton/) |
| Marp CLI | Open source | Free (self-hosted) | No limit (self-hosted) | MIT | Markdown-to-slides for developers |  | [site](https://github.com/marp-team/marp-cli) [code](https://github.com/marp-team/marp-cli) [Zekai page](https://zekaiwork.com/free-open-source/marp/) |
| guizang-ppt-skill | Open source | Free (self-hosted) | No limit (self-hosted) | AGPL-3.0 | HTML slide decks from an AI agent |  | [site](https://github.com/op7418/guizang-ppt-skill) [code](https://github.com/op7418/guizang-ppt-skill) [Zekai page](https://zekaiwork.com/ai-tools/guizang-ppt-skill/) |

## How each alternative compares with SlidesAI

- **Gamma** (Free, Free plan; paid price not published): Builds decks as cards that can publish as web pages; free gives 400 signup credits and 10 cards per gamma, Plus lifts to 20 cards and the top tier to 50 with custom domains. Switch if you want a deck that doubles as a shareable web page and need 20 to 50 cards per gamma. Stay with SlidesAI if you want credits that renew monthly (200 free) and native Google Slides and PowerPoint add-in output.
- **MagicSlides** (Paid, $6.67/mo billed yearly, checked 2026-11-13): Essential is $8 a month for 10 presentations of up to 10 slides, with a Google Slides add-on, Figma plugin, ChatGPT GPT, MCP and Telegram bot. Switch if you want the lowest paid entry point at $6.67 a month yearly and presentations in 100+ languages from Google Slides. Stay with SlidesAI if you want a free plan with monthly credits to keep using before paying anything.
- **Slidesgo** (Free plan + paid, $3.00/mo billed yearly, checked 2026-11-13): Template library of 30,000+ designer slides plus AI generation; free allows 3 AI presentations a month and Premium adds Slidesclass teacher-verified lessons. Switch if you want designer-made templates and teacher-ready lessons more than prompt-to-deck, at $3 a month yearly. Stay with SlidesAI if you want an add-on inside Google Slides and PowerPoint and credits for documents up to 100,000 characters.
- **Plus AI** (Paid, $10/user/mo billed yearly, checked 2026-11-13): Works inside both Google Slides and PowerPoint with an MCP server and Presentation API; no free plan, only a 7-day trial with 1,000 AI credits, then 1,500 credits a month on Basic. Switch if you build in both Google Slides and PowerPoint and want an MCP server or API for automating decks. Stay with SlidesAI if you want a permanent free plan, since Plus AI offers only a 7-day trial.
- **Beautiful.ai** (Paid, $14.50/mo billed yearly, checked 2026-11-13): Smart Slide layouts reflow automatically with 300+ layouts; Team at $40 a month covers 3 users with version control and locked slides, with only a 14-day trial instead of a free plan. Switch if you need decks to stay on brand with locked layouts and a shared template library for a small team. Stay with SlidesAI if you want a free plan and cheaper $10 yearly pricing at the individual level.
- **Decktopus** (Paid, $24.99/mo, checked 2026-11-13): Includes Loop, which simulates audience questions and coaches pacing; Pro gives 750 AI credits a month, about 150 slides, with PDF, PPT and PNG export. Switch if you want to rehearse delivery with simulated audience questions and export to PPT, PDF and PNG. Stay with SlidesAI if you prefer working inside Google Slides and want a free tier with monthly credits.
- **Pitch** (Free plan + paid, $13/mo billed yearly, checked 2026-11-13): Collaborative workspace with unlimited presentations on the free plan; Plus gives 500 AI credits a month, custom fonts, video uploads and PPTX export. Switch if your team co-edits decks with comments and shared templates and wants unlimited free presentations. Stay with SlidesAI if you want monthly-renewing AI credits (200 on free) rather than Pitch's non-renewing 100.
- **Prezi** (Paid, $7/mo billed yearly, checked 2026-11-13): Zoomable non-linear canvas rather than slide sequence; Standard includes 500 Prezi AI credits and a PowerPoint converter, with a 14-day free trial. Switch if you want a zoomable canvas format and also need videos and infographics from the same account. Stay with SlidesAI if you want conventional slides generated from a topic with PPTX and Google Slides handling.
- **Presenton** (Open source, Free (self-hosted)): Open-source AI deck generator that exports editable PPTX and works with Ollama, LM Studio or your own API key, so no per-credit pricing applies. Switch if you want decks on your own server with a local model or API key and no credit limits. Stay with SlidesAI if you want a hosted Google Slides add-on with no Docker setup or model keys to manage.
- **Marp CLI** (Open source, Free (self-hosted)): Converts Markdown files to HTML, PDF and PPTX on your machine; no AI generation is built in, so you write the content yourself. Switch if you write talks in Markdown, keep them in git and want output with no AI step. Stay with SlidesAI if you want AI to draft slides from a topic or document, which Marp CLI does not do.
- **guizang-ppt-skill** (Open source, Free (self-hosted)): Agent skill that has your coding agent write single-file HTML decks and covers; AGPL-3.0 licence applies if you serve modified versions. Switch if you already run a coding agent and want decks as one HTML file under your control. Stay with SlidesAI if you want a point-and-click editor with PPTX export and no agent subscription.

## Open-source options in detail

- **Presenton** (https://github.com/presenton/presenton): Licence: Apache-2.0; Last release: 2026-10-26
- **Marp CLI** (https://github.com/marp-team/marp-cli): Licence: MIT; Last release: 2026-09-06
- **guizang-ppt-skill** (https://github.com/op7418/guizang-ppt-skill): Licence: AGPL-3.0; Last release: 2026-05-15

## Questions

### What is the best alternative to SlidesAI in 2027?
Gamma is the best overall SlidesAI alternative on this page (Free plan; paid price not published). For no cost, Slidesgo has a free plan (3 AI presentations and 3 template downloads a month). To self-host, Presenton is open source (Apache-2.0).

### Is there a free version of SlidesAI?
Yes. SlidesAI has a free plan: 200 AI credits a month, 2,500 characters. Paid plans start at $10/user/mo billed yearly, checked on 13 Nov 2026.

### Is there a 100% free alternative to SlidesAI?
Yes. Presenton, Marp CLI, guizang-ppt-skill are open source and free to self-host. Gamma, Slidesgo, Pitch have a free plan with limits, shown in the table.

### What is cheaper than SlidesAI?
MagicSlides starts at $6.67/mo billed yearly, against $10/user/mo billed yearly for SlidesAI, as listed on each vendor's pricing page on 13 Nov 2026.

### How much do SlidesAI alternatives cost for a team of 5?
If each of 5 people buys the entry paid plan, at the prices Zekai checked on 13 Nov 2026, the monthly cost is Slidesgo $15/mo, MagicSlides $33.35/mo, Prezi $35/mo, against SlidesAI $50/mo for SlidesAI. Team and business plans can cost more per seat. The Zekai Cost Finder on this page recalculates for any team size.

### Which is better, Gamma or SlidesAI?
Builds decks as cards that can publish as web pages; free gives 400 signup credits and 10 cards per gamma, Plus lifts to 20 cards and the top tier to 50 with custom domains. Choose Gamma if you want a deck that doubles as a shareable web page and need 20 to 50 cards per gamma. Stay with SlidesAI if you want credits that renew monthly (200 free) and native Google Slides and PowerPoint add-in output.

### Why are people leaving SlidesAI?
The documented reasons are: SlidesAI's help centre (updated 2026-11-03) lists the free Basic plan as 200 AI credits per month with 2,500 characters of input per presentation, and labels older Paddle-billed plans as legacy now that plans run on credits (3 Nov 2026). Each is sourced in the section above.

### What is better than SlidesAI?
It depends on the job: Gamma builds web-style decks from a prompt, Plus AI works in both Google Slides and PowerPoint, and Pitch suits teams co-editing decks.

## Related on Zekai

- [Gamma alternatives](https://zekaiwork.com/alternatives/gamma/)
- [Plus AI alternatives](https://zekaiwork.com/alternatives/plus-ai/)
- [Beautiful.ai alternatives](https://zekaiwork.com/alternatives/beautiful-ai/)
- [Decktopus alternatives](https://zekaiwork.com/alternatives/decktopus/)
- [Pitch alternatives](https://zekaiwork.com/alternatives/pitch/)
- [Tome alternatives](https://zekaiwork.com/alternatives/tome/)
- [AI for Personal Productivity & Executive Assistants](https://zekaiwork.com/professions/ai-personal-productivity-executive-assistants/)

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Live table, team cost finder and price alerts: https://zekaiwork.com/alternatives/slidesai/