Strands Evals
6.2#18 in ai agent evaluation toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitStrands Evals vs W&B Weave
What both publish
| Fact | Strands Evals | W&B Weave |
|---|---|---|
| Purpose | Strands Evals measures agent behavior before shipping and after deployment by scoring outputs and trajectories, diagnosing failures, probing unsafe behavior, and simulating users and tools. | W&B Weave provides observability and continuous improvement tools for production AI agents. |
Strands Evals plans
- Strands Evals SDKFree
W&B Weave plans
- FreeFree
- Pro$60 a month
- EnterprisePriced on request
Pick Strands Evals if…
It suits developers who want to validate agent behavior, measure changes, or evaluate agents during development cycles. It can also be used to assess production or staging traces without rerunning the agents that generated them.
Pick W&B Weave if…
Weave suits teams developing and monitoring production AI agents that need tracing, evaluations, and model or prompt comparisons. It also fits teams that use Python or TypeScript libraries or send OpenTelemetry traces.