Strands Evals vs W&B Weave

Strands Evals

7.0 #7 in AI Agent Evaluation Tools

About Strands Evals

W&B Weave

7.2 #3 in AI Agent Observability Tools

About W&B Weave
Strands EvalsW&B Weave
Free planYesYes
Free trialYes
Paid fromFree$60/mo
Platformsapi, Linux, macOS, self-hosted, Windowsapi, Linux, macOS, self-hosted, Web, Windows
Evaluation methodshybrid
Tool-call checksYes
Trace ingestionYes
Safety evaluationsYes
Regression runsYes
SDK language supportpython
Free planYes
Paid from60 /mo
Cost trackingYes
Token cost trackingYes
LLM tracingYes
LLM evaluationsYes
Prompt managementYes
Agent tracingYes
Retrieval tracingYes
Deployment optionsboth

Listed together in Best AI Agent Evaluation Tools