Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
The Application Engine for the AI Era. A multi-threaded, AI-native runtime with a persistent Scene Graph, enabling AI agents to introspect and mutate the living application structure in real-time.
Best matched with other agent tools.
langchain has the larger GitHub footprint with 142.7K stars.
langchain is currently growing faster at +599 stars this week.
langchain has the stronger automated maintenance signal at 86/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Neo | langchain |
|---|---|---|
| Evidence status | Basic listing· 5d ago | Recently verified· 5d ago |
| GitHub stars | 3.2K | 142.7K |
| Weekly growth | 0 | +599 |
| Health score | Healthy68/100 |
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| Contributors | 72 | 3.7K |
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| Commits per week | 266.4 | 50.5 |
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| Open issues | 302 | 569 |
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| Language | JavaScript | Python |
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| License | MIT | MIT |
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| Last commit | 2mo ago | 5d ago |
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| Last release | 12.1.0 | langchain-core==1.4.0 |
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