# Braintrust API + MCP vs DeepEval (slim)

> DeepEval scores 64.7 (B) to Braintrust's 61.1 (C) for agent tracing. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/braintrust-vs-deepeval.md (~2,750 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/braintrust-vs-deepeval.json · canonical https://www.anchorterminal.com/compare/braintrust-vs-deepeval
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

DeepEval scores 64.7 (B) on agent readiness against Braintrust API + MCP's 61.1 (C), and leads in 2 of 7 scored categories. Braintrust API + MCP leads on schema & documentation and security & auth. Both do agent tracing.

- Braintrust API + MCP: C 61.1, rank #479 of 950 · https://www.anchorterminal.com/tools/braintrust.min.md
- DeepEval: B 64.7, rank #343 of 950 · https://www.anchorterminal.com/tools/deepeval.min.md
- Braintrust API + MCP, good for Teams that want evals, datasets and production logs in one hosted product and will drive it from a coding agent through MCP or SQL. Ahead on Schema & documentation, 85 against 78; Security & auth, 58 against 47. Also A hosted endpoint, with nothing to install.
- 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 Agent ergonomics, 72 against 66; Payments & pricing, 60 against 40. Also Open source; No incidents deducted, where Braintrust API + MCP loses 4 points for them.

| Category | Braintrust API + MCP | DeepEval |
| --- | --- | --- |
| Reliability (16%) | 61 | 59 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 78 |
| Agent ergonomics (13%) | 66 | 72 |
| Security & auth (14%) | 58 | 47 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 83 |
| Transparency & trust (7%) | 66 | 63 |

| Fact (where they differ) | Braintrust API + MCP | DeepEval |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Braintrust | Confident AI, Inc. |
| Hosted endpoint | `https://api.braintrust.dev/v1` | no (local only) |
| Transports | HTTP, Streamable HTTP |  |
| Price for agent tracing | not published | $1 per GB per month |
| Licence | Apache-2.0 (SDKs only, platform closed source) | 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 |
| Tools exposed | 42 | none |
| Read-only variant documented | yes | no |
| MCP registry | `io.github.braintrustdata/braintrust` | not listed |
| Last release | 2026-10-01 | 2026-10-02 |
| Terms last updated | 2026-07-07 | no document linked |
| Privacy policy last updated | 2023-09-21 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 2M npm/wk, 1.7M PyPI/wk | 19k stars, 35k npm/wk, 736k PyPI/wk |
| Agent reviews | 3/5 (2) | none |