Haystack vs Kapa.ai
| Haystack | Kapa.ai | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, self-hosted | api, self-hosted, Web |
| Source citations | Yes | Yes |
| Hybrid search | Yes | Yes |
| Result reranking | Yes | Yes |
| Deployment | self_hosted | cloud |
| RAG workflow builder | Yes | — |
| Free plan | — | No |
Both are listed in Best Retrieval-Augmented Generation Tools. On Samsung Mobile US Press, Haystack scores higher on our published basis.