Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
🪢 Open source AI engineering platform: LLM evals, observability, metrics, prompt management, playground, datasets. Integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more. 🍊YC W23
Best matched with other agent tools.
hermes-agent has the larger GitHub footprint with 251.1K stars.
hermes-agent is currently growing faster at +74.1K stars this week.
hermes-agent has the stronger automated maintenance signal at 95/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Langfuse | hermes-agent |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:17 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 31.7K | 251.1K |
| Weekly growth | +4.7K | +74.1K |
| Health score | Strong84/100 | Strong95/100 |
| Contributors | 194 | 2.2K |
| Commits per week | 93.8 | 876.8 |
| Open issues | 716 | 24.6K |
| Language | TypeScript | Python |
| License | NOASSERTION | MIT |
| Last commit | 2026-07-22 16:56 UTC | 2026-10-04 09:18 UTC |
| Last release | v3.224.0 | v2026.7.20 |
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