Opik vs Sensei

Opik

7.3 #17 in AI Agent Observability Tools

About Opik

Sensei

5.3 #26 in AI Agent Evaluation Tools

About Sensei
OpikSensei
Free planYesNo
Free trialYesNo
Paid from$19/mo—
Open sourceNoNo
Platformsapi, Linux, self-hosted, Web—
Free planYes—
Paid from19 /mo—
Evaluation methods—hybrid
Regression runs—Yes
SDK language support—javascript

Both are listed in Best AI Agent Evaluation Tools. On Inferse, Opik scores higher on our published basis.