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Opik vs Weights & Biases

Opik: Open source platform for tracing and evaluating AI agents Weights & Biases: Platform for tracking machine learning runs and AI app traces

Comparison of Opik, Weights & Biases
Opik
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Weights & Biases
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CategoryLLM OpsML Platforms
PricingOpen sourceFree tier and enterprise planFreemium
Platforms
  • Web
  • API
  • Web
  • iOS
Best for
  • ML engineers
  • Agent developers
  • QA teams
  • ML engineers
  • AI teams
  • Enterprises
Highlights
  • Trace each step an agent takes, from retrieval to tool calls
  • LLM-as-a-judge evaluations on traces
  • Expert annotation of traces
  • Track training runs and metrics
  • Compare experiments side by side
  • Trace LLM calls and agent steps with Weave
GitHub stars23.2k–
Last update2 days ago–

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