Comparison
langfuse vs langwatch
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
vs
| langfuse | langwatch | |
|---|---|---|
| Tagline | Open source AI engineering platform | Platform for LLM evaluations and AI agent testing |
| Stars | 31k | 3.3k |
| Forks | 3.2k | 327 |
| Open issues | 700 | 674 |
| Language | TypeScript | TypeScript |
| License | Other | Apache-2.0 |
| Last pushed | Jul 8, 2026 | Jul 8, 2026 |
| Categories | Evaluation & Observability | Model Training, Evaluation & Observability |
| Trust and health | ||
| Maintenance | Very active (96%) | Very active (96%) |
| Days since push | 0d | 0d |
| Archived on GitHub | No | No |
| Stars delta | - | - |
| Open issues delta | - | - |
| Fork status | Not a fork | Not a fork |
| Owner type | Organization | Organization |
| Security scan | Not scanned | Not scanned |
| Full report | Trust report | Trust report |
| Typed relationship | langfuse alternative langwatch | |
Choose langfuse if…
- More widely adopted - 31k stars vs 3.3k.
- More recently updated (last pushed Jul 8, 2026).