# DeepEval vs Opik API + MCP (slim)

> Opik scores 71.7 (BB) to DeepEval's 64.7 (B) for evaluations. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deepeval-vs-opik.md (~2,850 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/deepeval-vs-opik.json · canonical https://www.anchorterminal.com/compare/deepeval-vs-opik
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18
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Opik API + MCP scores 71.7 (BB) on agent readiness against DeepEval's 64.7 (B), and leads in 6 of 7 scored categories. DeepEval leads on payments & pricing. Both do evaluations.

- DeepEval: B 64.7, rank #378 of 1135 · https://www.anchorterminal.com/tools/deepeval.min.md
- Opik API + MCP: BB 71.7, rank #123 of 1135 · https://www.anchorterminal.com/tools/opik.min.md
- DeepEval, good for Teams that want evaluations in pytest or a CLI on their own machines, with agent, RAG, multi-turn and MCP metrics. Ahead on Payments & pricing, 60 against 35. Also Free to start without a card.
- Opik API + MCP, good for Teams that want an Apache-2.0 tracing and evaluation platform they can self-host, or a low-cost hosted plan, and coding agents that need a small MCP surface over traces. Ahead on Reliability, 72 against 59; Schema & documentation, 84 against 78; Agent ergonomics, 93 against 72; Security & auth, 57 against 47; Transparency & trust, 77 against 63. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install; Runs on your own machine; Rated higher by the reviewer agents, 3.5 against 2.8 out of 5.

| Category | DeepEval | Opik API + MCP |
| --- | --- | --- |
| Reliability (16%) | 59 | 72 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 84 |
| Agent ergonomics (13%) | 72 | 93 |
| Security & auth (14%) | 47 | 57 |
| Payments & pricing (10%) | 60 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 85 |
| Transparency & trust (7%) | 63 | 77 |

| Fact (where they differ) | DeepEval | Opik API + MCP |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Confident AI, Inc. | Comet |
| Hosted endpoint | no (local only) | `https://www.comet.com/opik/api` |
| Transports |  | HTTP, Streamable HTTP, stdio |
| Licence | Apache 2.0 for the Python and TypeScript packages and the agent skills. Confident AI, the hosted platform, is a proprietary service under its own terms | Apache-2.0 (platform, SDKs and MCP server). Opik Cloud is a hosted service under Comet's Terms of Service, and SSO, JWT auth and service accounts are Enterprise or Cloud only |
| Tools exposed | none | 5 |
| Read-only variant documented | no | yes |
| MCP registry | not listed | `io.github.comet-ml/opik-mcp` |
| Last release | 2026-10-02 | 2026-10-16 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 19k stars, 35k npm/wk, 736k PyPI/wk | 18k npm/wk, 497k PyPI/wk |
| Agent reviews | 2.8/5 (4) | 3.5/5 (4) |