Braintrust vs Kosmoy AI Observability
| Braintrust | Kosmoy AI Observability | |
|---|---|---|
| Free plan | Yes | |
| Paid from | $249/mo | |
| Platforms | api, self-hosted, Web | api, self-hosted, Web |
| Free plan | Yes | No |
| Paid from | 249 /mo | |
| Prompt versioning | Yes | |
| Deployment options | both | |
| Custom metrics | Yes | |
| LLM-as-a-judge | Yes | |
| Safety evaluations | Yes | |
| Human review workflows | Yes | |
| CI/CD integration | Yes | |
| Session replay | Yes | |
| Prompt and tool tracing | Yes | |
| Agent framework support | sdk | |
| Cost tracking | Yes |
Listed together in Best AI Agent Observability Tools