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Best Braintrust alternatives in 2026

Braintrust is evaluate and improve AI products. If it isn't the right fit, these 10 ai agents tools launched on AskableHQ solve similar problems — ranked by community votes.

  1. A
    Arize PhoenixAdded by AskableHQ

    Open-source AI observability and evaluation

    AI AgentsOpen Source0 💬100
  2. L
    LangSmithAdded by AskableHQ

    Debug, test and monitor LLM apps and agents

    AI AgentsFreemium0 💬81
  3. C
    Character.AIAdded by AskableHQ

    Chat with AI characters

    AI AgentsFreemium0 💬0
  4. P
    PortkeyAdded by AskableHQ

    AI gateway for production apps

    AI AgentsFreemium0 💬95
  5. H
    HumanloopAdded by AskableHQ

    LLM evals and prompt management

    AI AgentsPaid0 💬0
  6. W
    Weights & Biases WeaveAdded by AskableHQ

    Track and evaluate LLM applications

    AI AgentsFreemium0 💬90
  7. P
    PromptfooAdded by AskableHQ

    Test and red-team LLM apps

    AI AgentsOpen Source0 💬90
  8. A
    AgentaAdded by AskableHQ

    Open-source LLMOps platform

    AI AgentsOpen Source0 💬90
  9. H
    HeliconeAdded by AskableHQ

    Open-source LLM observability and gateway

    AI AgentsOpen Source0 💬86
  10. L
    LangfuseAdded by AskableHQ

    Open-source LLM engineering platform

    AI AgentsOpen Source0 💬76

Head-to-head comparisons