Proprietary freemium
LicenseProprietary
Starting priceFree tier
Model supportmulti
Languagespython, typescript
GitHub stars—
Last activity—
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
The LLM-focused tracing and evaluation layer of Weights and Biases, tying into its experiment-tracking ecosystem.
Strengths
- Integrates with existing W&B experiment tracking
- Good for ML teams already on W&B
Tradeoffs
- Most useful only if you already use W&B
- Proprietary