Pydantic Evals vs Weights & Biases
| Pydantic Evals | Weights & Biases | |
|---|---|---|
| Free plan | Yes | |
| Free trial | Yes | |
| Paid from | $60/mo | |
| Platforms | Linux | api, iOS, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Evaluation methods | Deterministic checks; custom evaluators; LLM judges; G-Eval; performance checks; report evaluators; span-based evaluation; agentic trajectory evaluation | |
| Model support | OpenAI; Anthropic; Gemini; xAI; Bedrock; Cerebras; Cohere; Groq; Hugging Face; Mistral; OpenRouter; and other listed Pydantic AI providers | |
| Safety evaluations | Yes | |
| Deployment | self-hosted | |
| Prompt versioning | Yes | |
| API access | Yes | |
| Paid from | 60 /mo | |
| Model registry | Yes | |
| Experiment tracking | Yes | |
| Pipeline orchestration | Yes | |
| Model serving | Yes | |
| Data versioning | Yes | |
| Managed compute | Yes | |
| Model versioning | Yes | |
| Model lineage | Yes | |
| Deployment tracking | Yes | |
| Model aliases | Yes | |
| Artifact storage | Yes |
Listed together in Best AI LLM Evaluation Tools