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Best LLM Evaluation Tools in 2026

Updated

29 LLM evaluation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

29ranked
0free plans on this page
3 Oct 2026last checked
  1. 26

    RAGChecker

    5.4
    Deployment options
    self-hosted
    Custom metrics
    No
    LLM-as-a-judge
    Yes
    RecognisedDocumentedFree planPlatforms
    About RAGCheckerVisit site
  2. 27

    DecodingTrust

    5.3
    Deployment options
    self-hosted
    Safety evaluations
    Yes
    RecognisedDocumentedFree planPlatforms
    About DecodingTrustVisit site
  3. 28

    EvalPlus

    5.1
    Deployment options
    self-hosted
    RecognisedDocumentedFree planPlatforms
    About EvalPlusVisit site
  4. 29

    WebArena

    5.1
    Deployment options
    both
    RecognisedDocumentedFree planPlatforms
    About WebArenaVisit site

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