Prompto vs Sup AI: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).
Feature lists share 0 overlapping items across the two listings.
Free, open-source AI prompt generator and LLM chat app that runs in your browser and works with multiple large language models.
Sup AI is a multi-model AI chatbot that combines nine frontier LLMs in Pro Mode to give answers with cited sources.
| Attribute | Prompto | Sup AI |
|---|---|---|
| Rating | — | — |
| Reviews | — | — |
| Pricing | free | free |
| Votes | 0 | 0 |
| Category | AI Assistant | AI Answer |
| Feature | Prompto | Sup AI |
|---|---|---|
| Open-source and free to use | ||
| User-friendly interface for interacting with LLMs | ||
| Supports multiple LLMs through LangChain.js | ||
| Offers various interaction modes (chat | ||
| notebook | ||
| templates | ||
| arena | ||
| discussion) | ||
| Settings and data stored locally for privacy | ||
| Runs entirely in the browser as a PWA | ||
| What makes Sup AI unique is our real-time logprob confidence scoring | ||
| If you absolutely | ||
| positively need the most accurate answer���Sup AI is |