W&B Weave
Trace, evaluate, and iterate on LLM applications with rigor.
Best use cases
• LLM evaluation
• Prompt experimentation
• Tracing LLM apps
• Model comparison
• AI research workflows
Pros
• Strong evaluation and experiment tracking
• Fits research and production workflows
• Backed by Weights & Biases ecosystem
• Good for complex LLM systems
• Reproducibility-first design
Cons
• More complex than lightweight tools
• Best suited for ML-heavy teams
• Overkill for small apps
Pricing
freemium
Free tier available + paid plans via W&B
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