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Lean 4 vs quivr
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | An interactive theorem prover and functional programming language, serving as the core infrastructure for formal AI research and automated theorem proving (e.g., AlphaProof, DeepSeek-Prover). | Dump all your files and chat with it using your generative AI second brain using LLMs & embeddings. | |
| Category | |||
| Developer | — | stangirard | |
| Verified Status | No | No | |
| Last Updated | Sep 2026 | Sep 2026 | |
| Pricing | |||
| Pricing Model | Free | Pricing not yet verified | |
| Free Plan | Yes | No | |
| Open Source | No | — | |
| Capabilities | |||
| Features | — | • Chat with your own files (PDF, text, Markdown, and more) via RAG • Multi-LLM support: OpenAI, Anthropic, Mistral, Gemma, and local Ollama models • Configurable retrieval workflows and internet-search augmentation • Vector store support including PGVector and Faiss • Pip-installable Python framework with Docker deployment • Open source on GitHub, backed by Y Combinator and Theodo | |
| Tags | theoremproverleaninteractivefunctionalprogramming | quivrdumpfileschatgenerativesecond | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 63 | 103 | |
| Quality Score | 62/100 | 58/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | github.com | github.com | |
| Social Links | 1 linked | 2 linked | |
| Screenshots | No | No | |
| Reviews | |||
| Pros | • Free to use | — | |
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