# DeepEval vs W&B Weave (slim)

> W&B Weave scores 66.7 (B) 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-wandb-weave.md (~2,700 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/deepeval-vs-wandb-weave.json · canonical https://www.anchorterminal.com/compare/deepeval-vs-wandb-weave
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

W&B Weave scores 66.7 (B) on agent readiness against DeepEval's 64.7 (B), and leads in 4 of 7 scored categories. DeepEval leads on payments & pricing. Both do evaluations.

- DeepEval: B 64.7, rank #343 of 950 · https://www.anchorterminal.com/tools/deepeval.min.md
- W&B Weave: B 66.7, rank #280 of 950 · https://www.anchorterminal.com/tools/wandb-weave.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.
- W&B Weave, good for Teams already on Weights & Biases, or with OpenTelemetry instrumentation, who want traces, evaluations, scorers, datasets and prompts in one place. Ahead on Reliability, 68 against 59; Security & auth, 63 against 47; Transparency & trust, 75 against 63. Also A hosted endpoint, with nothing to install.

| Category | DeepEval | W&B Weave |
| --- | --- | --- |
| Reliability (16%) | 59 | 68 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 74 |
| Agent ergonomics (13%) | 72 | 71 |
| Security & auth (14%) | 47 | 63 |
| Payments & pricing (10%) | 60 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 87 |
| Transparency & trust (7%) | 63 | 75 |

| Fact (where they differ) | DeepEval | W&B Weave |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Confident AI, Inc. | Weights & Biases (CoreWeave) |
| Hosted endpoint | no (local only) | `https://trace.wandb.ai` |
| Transports |  | HTTP, Streamable HTTP |
| Auth | OAuth or key | API key |
| 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 | Hosted service under the W&B Master Service Agreement. The Weave SDKs and trace server source on GitHub are Apache-2.0, and the W&B MCP server is MIT |
| Last release | 2026-10-02 | 2026-09-25 |
| Terms last updated | no document linked | 2026-09-30 |
| Privacy policy last updated | no document linked | 2026-02-24 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 19k stars, 35k npm/wk, 736k PyPI/wk | 624k npm/wk, 219k PyPI/wk |