Weights & Biases
Experiment tracking and Weave evals for AI teams.
Full Weights & Biases record →Head to head
Weights & Biases vs LangSmith
Weights & Biases (CoreWeave) and LangSmith (LangChain) both sit in Infrastructure & Serving. LangSmith is the cheaper entry point at Free tier · from $39/mo. Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Weights & Biases CoreWeave | LangSmith LangChain |
|---|---|---|
| Segment | Infrastructure & Serving | Infrastructure & Serving |
| Version | 2025 | 2025 |
| Entry cost | Free tier · from $50/mo | Free tier · from $39/mo |
| Pricing tiers | — | — |
| Model stack | framework-agnostic | model-agnostic |
| Context window | — | — |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 0 |
| Origin | Global | Global |
| Capabilities | Experiment tracking, Weave traces, Model registry | Traces, Datasets, Evaluators |
LangSmith
Tracing, evals and monitoring for LLM applications.
Full LangSmith record →