Proprietary freemium
In these stacks
LicenseProprietary
PriceFree tier
UsageIncluded
Model supportmulti
Languagespython, typescript
GitHub stars—
Last activity—
VerifiedThu Jun 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)
Verified byseed
An evaluation and prompt-management platform focused on rigorous, code-first evals and online scoring.
Strengths
- Excellent eval and scoring UX
- Strong for prompt-engineering-heavy teams
Tradeoffs
- Proprietary platform
- Self-host story limited