Top 11 ai engineering · evals that work with Langchain

Galileo is the highest-ranked provider in the Top 11 Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026 that integrates with Langchain.

Why this answer

Filtered to entries that publicly document a Langchain integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.

Showing all 7 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026.

  1. #1Galileo(rank #1 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    9.3/9.4

    The best platform for production RAG, offering powerful, real-time hallucination detection and deep system insights.

    Full Galileo review · Compare: Galileo vs LangSmith · Alternatives

  2. #2LangSmith(rank #2 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    9.1/9.4

    The essential debugging and evaluation tool for anyone building with the LangChain framework.

    Full LangSmith review · Alternatives

  3. #3Arize AI(rank #3 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    8.9/9.4

    An enterprise-grade, unified platform for monitoring both traditional ML and LLM applications at scale.

    Full Arize AI review · Alternatives

  4. #4Weights & Biases(rank #4 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    8.7/9.4

    Extends best-in-class experiment tracking to LLM evaluation, perfect for systematic prompt engineering and development.

    Full Weights & Biases review · Alternatives

  5. #5UpTrain(rank #6 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    8.2/9.4

    Offers a flexible path from a powerful open-source library to a managed cloud platform.

    Full UpTrain review · Alternatives

  6. #6RagaAI(rank #9 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    7.6/9.4

    A comprehensive AI testing platform with 300+ automated tests to diagnose issues across the entire lifecycle.

    Full RagaAI review · Alternatives

  7. #7Ragas(rank #11 in Galileo vs LangSmith vs Arize AI: 11 Best LLM Evaluation Platforms 2026)

    —

    The leading open-source framework for RAG evaluation, offering powerful metrics for teams building their own infrastructure.

    Full Ragas review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .