Unverified50% confidenceFactExact time
Braintrust pricing starts free, with the Pro version at $249/month; Confident AI starts free, with the Starter version at $200/month; LangSmith starts free, with the Plus version at $39/seat/month; Langfuse is free, with paid versions starting at $29/month; Arize Phoenix is free, with the cloud version starting at $50/month; Galileo is free, with the Pro version starting at $100/month; LangWatch is free, with paid versions starting at €29/seat/month; Pydantic Logfire is free, with the Team version starting at $49/month; Latitude is free, with the Pro version at $99/month; Datadog LLM Observability is billed by usage; Fiddler is custom-quoted.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/16/2026
First Seen
Valid until: 10/30/2026
Sources
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