Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Open Source Deep Research Alternative to Reason and Search on Private Data. Written in Python.
Best matched with other agent tools.
langchain has the larger GitHub footprint with 147.4K stars.
langchain is currently growing faster at +599 stars this week.
langchain has the stronger automated maintenance signal at 84/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Deep Searcher | langchain |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:18 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 8.3K | 147.4K |
| Weekly growth | 0 | +599 |
| Health score | Watch48/100 | Strong84/100 |
| Contributors | 32 | 3.7K |
| Commits per week | 0.1 | 50.5 |
| Open issues | 57 | 569 |
| Language | Python | Python |
| License | Apache-2.0 | MIT |
| Last commit | 2026-09-22 10:08 UTC | 2026-10-03 08:31 UTC |
| Last release | N/A | langchain-core==1.4.0 |
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