📖 The AI Tool Bible

Braintrust vs Helicone

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

 
Braintrust
Evaluation
Helicone
Evaluation
TaglineEval, monitor, and improve AI products end-to-end.Open-source LLM observability — one-line proxy install.
CategoryEvaluationEvaluation
PricingFreemium· Free up to 1k events/day; team from $249/moFreemium· Free 100k req/mo; Pro from $25/mo
ModelPlatform (any LLM)Platform (any LLM)
Editorial score8.9 / 108.3 / 10
Use cases
evalsmonitoringprompt management
observabilitycost trackingopen source
Pros
  • Full eval + observability in one tool
  • Excellent UX
  • Strong dataset/experiment tracking
  • Closed loop dev → prod
  • One-line install
  • Open source
  • Generous free tier
  • Cost tracking is genuinely useful
Cons
  • Team pricing is steep
  • Smaller than LangSmith ecosystem-wise
  • Eval features less deep than Braintrust
  • Proxy adds a hop
Websitewww.braintrust.devwww.helicone.ai
Pick Braintrust if
  • ✅ Full eval + observability in one tool
  • ✅ Excellent UX
  • ✅ Strong dataset/experiment tracking
  • ✅ Closed loop dev → prod
Pick Helicone if
  • ✅ One-line install
  • ✅ Open source
  • ✅ Generous free tier
  • ✅ Cost tracking is genuinely useful
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