Shortlist by what you need
Start here if you know why you are leaving Decktopus AI.
Want the closest match?
GenPPT AIMost similar to Decktopus AI in what it does, its category and its price.
Visit (opens GenPPT AI in a new tab)Need a free plan?
GammaHas a free plan, rated 4.5 out of 5.
Visit (opens Gamma in a new tab)Want to pay less than Decktopus AI?
htmlslidesFrom $9.9/mo, against from $14.99/mo for Decktopus AI.
Visit (opens htmlslides in a new tab)Want the best rated?
MentimeterRated 4.2 out of 5 in our review, against 4.0 for Decktopus AI.
Visit (opens Mentimeter in a new tab)
At a glance
Green means better than Decktopus AI, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 Decktopus AIBaseline | 4.0 | $14.99/mo | Yes | AI presentation software that turns a prompt or document into a formatted slide deck with speaker notes. | |
| GenPPT AI | 3.8−0.2 | Free | Yes | Decks from a prompt, a PDF, a YouTube link or a spreadsheet, with speaker notes. | vs Decktopus AI |
 SlidesAI | 3.9−0.1 | $10/mo$4.99 less | Yes | Turns notes, documents and PDFs into presentations inside Google Slides and PowerPoint | vs Decktopus AI |
 PresentationGPT | 3.5−0.5 | Free | Yes | LISA, a language model trained specifically for presentations, turns a topic into a full deck in seconds - compatible with PowerPoint and Google Slides. | vs Decktopus AI |
| htmlslides | 3.9−0.1 | $9.9/mo$5.09 less | Yes | Decks that are HTML files, so they open in a browser and embed anywhere. | vs Decktopus AI |
 Luminotes | 3.8−0.2 | Free | Yes | AI presentation maker that turns plain text, a URL or an uploaded document into a slide deck with PPTX export, plus a Deep Research mode that gathers sources, adds inline citations and cross-checks facts across AI models. | vs Decktopus AI |
 Tosea | 4.0Same | $9.99/mo$5 less | Yes | PDFs into slide decks that carry the source's real charts and figures, not invented ones. | vs Decktopus AI |
| Gamma | 4.5+0.5 | $10/mo$4.99 less | Yes | One flexible format that becomes a deck, doc, or webpage | vs Decktopus AI |
| Mentimeter | 4.2+0.2 | Free | Yes | Interactive presentation tool for live polls, quizzes, word clouds and Q&A, with Menti AI turning a prompt into a drafted set of slides, questions and answer options in a chat-based builder. | vs Decktopus AI |
The alternatives in detail
In order of how closely each one matches Decktopus AI.
GenPPT AI
3.8Free
vs Decktopus AI−0.2
Decks from a prompt, a PDF, a YouTube link or a spreadsheet, with speaker notes.
- Presentations generated from a text prompt
- PDF, Word, Excel, HTML, Markdown and YouTube conversion
- Speaker note generation
Speaker notes address the half of presenting that decks ignore
No pricing figures and no company entity named
SlidesAI
3.9$10/mo
vs Decktopus AI$4.99 less−0.1
Turns notes, documents and PDFs into presentations inside Google Slides and PowerPoint.
- Deck generation from notes, documents and PDFs
- Add-ons for Google Slides and PowerPoint
- Automatic content splitting across slides
Produces normal editable files rather than a locked format
Generated slides run content-heavy and need trimming
PresentationGPT
3.5Free
vs Decktopus AI−0.5
LISA, a language model trained specifically for presentations, turns a topic into a full deck in seconds - compatible with PowerPoint and Google Slides.
- LISA - a language model trained specifically for presentation generation
- Topic-to-full-deck generation in seconds
- File upload support to inform slide content
Purpose-trained model understands presentation structure, not a generic text model repurposed
Free tier limits downloads - pay-per-download or subscription needed for that
htmlslides
3.9$9.9/mo
vs Decktopus AI$5.09 less−0.1
Decks that are HTML files, so they open in a browser and embed anywhere.
- Presentations built and played as HTML files
- AI deck generation and a template marketplace
- Link sharing and website embedding
An HTML deck renders anywhere without software or font substitution
No company named beyond a support address
Luminotes
3.8Free
vs Decktopus AI−0.2
AI presentation maker that turns plain text, a URL or an uploaded document into a slide deck with PPTX export, plus a Deep Research mode that gathers sources, adds inline citations and cross-checks facts across AI models.
- Text, URL or document to slide deck
- Deep Research mode with sources and inline citations
- Cross-checking of facts across AI models
Starts free with no credit card
Paid prices could not be confirmed from a US connection
Tosea
4.0$9.99/mo
vs Decktopus AI$5 lessSame
PDFs into slide decks that carry the source's real charts and figures, not invented ones.
- Document to slide conversion preserving data and charts
- Evidence-driven generation with no invented content
- Outline building and narrative refinement
Carries the source's real figures rather than paraphrasing them
Slide caps bind before credits do on long documents
Gamma
4.5$10/mo
vs Decktopus AI$4.99 less+0.5
One flexible format that becomes a deck, doc, or webpage.
- Content generated as flexible cards, not a fixed format
- Same content works as a deck, document, or webpage
- AI generation from a topic or outline
Genuine format flexibility between deck, doc, and webpage
More generation credits and features require a paid plan
Mentimeter
4.2Free
vs Decktopus AI+0.2
Interactive presentation tool for live polls, quizzes, word clouds and Q&A, with Menti AI turning a prompt into a drafted set of slides, questions and answer options in a chat-based builder.
- Menti AI Builder that drafts slides and questions from a prompt
- Chat-based AI Creation assistant for refining a draft
- Menti Live for real-time polls, quizzes and Q&A
Free plan, and Menti AI is free for all users
Pro and Enterprise cannot be bought for a single month
FAQ
Questions people ask
Is Decktopus AI free?
Decktopus AI has a free plan, and paid plans start from $14.99/mo.
What is the best free alternative to Decktopus AI?
Gamma is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: Mentimeter, Tosea, SlidesAI.
What is the cheapest alternative to Decktopus AI?
Among paid plans, htmlslides has the lowest starting price (from $9.9/mo). If you need it free, start with Gamma.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.