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Best LLM Observability Tools in 2026

Updated

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

26ranked
1free plans on this page
8 Oct 2026last checked

LLM Observability Tools, ranked on how quickly a newcomer can get going. 1 of the 1 on this page can be tried for free.

  1. 26 OpenLLMetryFree plan
    • Free to practise on: not on record
    • Free trial: not on record
    • Well documented: not on record
    • Runs where you work: not on record
    5.7easy start

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