Compare frameworks
LangChain vs Haystack
Every figure below carries the source that reported it and the moment it was observed. Values that failed validation are withheld rather than shown, and a dash means no source we track carries that field for that framework.
| Field | LangChain | Haystack |
|---|---|---|
| Stars | 147,178 (highest of the compared values)Synced from sourceCurrent2h ago | 26,618Synced from sourceCurrent2h ago |
| downloads | 3,201,198Synced from sourceCurrent2h ago | — |
| Last commit | 2026-09-27Synced from sourceCurrent2h ago | 2026-09-25Synced from sourceCurrent2h ago |
| Language | pythonSeeded, unreviewedwritten 1mo ago | pythonSeeded, unreviewedwritten 1mo ago |
| Licence | MITSynced from sourceCurrent2h ago | Apache-2.0Synced from sourceCurrent2h ago |
| Archived | noSynced from sourceCurrent2h ago | noSynced from sourceCurrent2h ago |
| Category | orchestrationSeeded, unreviewedwritten 1mo ago | ragSeeded, unreviewedwritten 1mo ago |
| Contributors | 3741Synced from sourceCurrent2h ago | 479Synced from sourceCurrent2h ago |
| Forks | 24634Synced from sourceCurrent2h ago | 3198Synced from sourceCurrent2h ago |
| Maintainer | LangChainSeeded, unreviewedwritten 1mo ago | deepsetSeeded, unreviewedwritten 1mo ago |
| npm downloads, monthly | 10682493Synced from sourceCurrent2h ago | — |
| npm downloads, weekly | 3201198Synced from sourceCurrent2h ago | — |
| npm package | langchainSynced from sourceCurrent2h ago | — |
| npm window ends | 2026-09-26Synced from sourceCurrent2h ago | — |
| Open issues | 569Synced from sourceCurrent2h ago | 183Synced from sourceCurrent2h ago |
| PyPI package | langchainSynced from sourceCurrent2h ago | haystack-aiSynced from sourceCurrent2h ago |
| PyPI released | 2026-09-18T17:31:10.056247ZSynced from sourceCurrent2h ago | 2026-09-24T10:49:23.742948ZSynced from sourceCurrent2h ago |
| Requires Python | <4.0.0,>=3.10.0Synced from sourceCurrent2h ago | >=3.10Synced from sourceCurrent2h ago |
| PyPI version | 1.4.2Synced from sourceCurrent2h ago | 3.2.0Synced from sourceCurrent2h ago |
| Repository | https://github.com/langchain-ai/langchainSynced from sourceCurrent2h ago | https://github.com/deepset-ai/haystackSynced from sourceCurrent2h ago |
Sources: GitHub REST API, npm registry downloads, PyPI registry metadata, pypistats.org downloads. Most recent observation 2h ago. Where a row is marked, ▲ is the highest of the values shown and ▼ the lowest — arithmetic on the figures above, not a ranking or a recommendation. Rows where neither extreme is meaningful are left unmarked rather than given a direction they do not have.
Change the comparison
Remove one, or open the directory to pick a different set. Up to 3 at a time.