📖 The AI Tool Bible

Athina AI vs Weights & Biases

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Athina AI
Evaluation
Weights & Biases
Evaluation
TaglineCollaborative LLM evaluation and observability platform for teams shipping AI features to production.The ML experiment tracker, now with LLM eval features.
CategoryEvaluationEvaluation
PricingFreemium· Starter free (10k logs/mo); Pro & Enterprise customFreemium· Free personal; team from $50/mo per seat
ModelMulti-modelPlatform (any LLM)
Editorial score8.4 / 10
Use cases
llm-evaluationprompt-managementllm-observabilityproduction-monitoringdataset-experimentation
ML experimentsLLM evalWeave
Pros
  • 50+ preset evals plus custom LLM-judge and Python evaluators
  • Covers experimentation, evaluation, and production tracing in one workspace
  • Free tier with 10k logs/month and unlimited prompts
  • Roles for PMs, QA, data scientists, and engineers, not just devs
  • Self-hosting available at Enterprise tier
  • Industry-standard for ML tracking
  • Weave adds LLM-native eval
  • Mature, reliable
  • Strong enterprise features
Cons
  • Pro and Enterprise pricing is not published
  • Self-hosting is Enterprise-only
  • Not open source
  • Python is the primary first-class SDK
  • Heavier UX than LLM-native tools
  • LLM features still catching up
Websiteathina.aiwandb.ai
Pick Athina AI if
  • 50+ preset evals plus custom LLM-judge and Python evaluators
  • Covers experimentation, evaluation, and production tracing in one workspace
  • Free tier with 10k logs/month and unlimited prompts
  • Roles for PMs, QA, data scientists, and engineers, not just devs
Pick Weights & Biases if
  • Industry-standard for ML tracking
  • Weave adds LLM-native eval
  • Mature, reliable
  • Strong enterprise features