Galileo AI alternatives

The best alternatives to Galileo AI are Langfuse, Arize AI (Phoenix), Braintrust and Comet (Opik). Each is an AI tool with a distinct edge — pricing, output quality, or workflow — detailed below and reviewed on Stork.

• Langfuse

  Langfuse is an open-source, engineering-centric platform providing deep observability and flexible evaluation for LLM applications.

• Arize AI (Phoenix)

  Arize AI, with its open-source Phoenix platform, provides LLM observability with strong OpenTelemetry and OpenInference adherence, focusing on drift detection and comprehensive evaluation.

• Braintrust

  Braintrust is a comprehensive AI observability platform that covers the full AI quality lifecycle, from evaluation and tracing to release gates and production feedback in one system.

• Comet (Opik)

  Comet's Opik platform provides comprehensive LLM evaluation and observability, extending experiment tracking with LLM-specific capabilities, automated LLM-as-a-judge metrics, and production guardrails.