Skip to content
AskableHQ
Launch

Best Arize Phoenix alternatives in 2026

Arize Phoenix is open-source AI observability and evaluation. If it isn't the right fit, these 10 ai agents tools launched on AskableHQ solve similar problems — ranked by community votes.

  1. W
    Weights & Biases WeaveAdded by AskableHQ

    Track and evaluate LLM applications

    AI AgentsFreemium0 💬90
  2. B
    BraintrustAdded by AskableHQ

    Evaluate and improve AI products

    AI AgentsFreemium0 💬90
  3. L
    LangSmithAdded by AskableHQ

    Debug, test and monitor LLM apps and agents

    AI AgentsFreemium0 💬81
  4. L
    LangfuseAdded by AskableHQ

    Open-source LLM engineering platform

    AI AgentsOpen Source0 💬76
  5. P
    PortkeyAdded by AskableHQ

    AI gateway for production apps

    AI AgentsFreemium0 💬95
  6. H
    HumanloopAdded by AskableHQ

    LLM evals and prompt management

    AI AgentsPaid0 💬0
  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. A
    AgentOpsAdded by AskableHQ

    Observability and debugging for AI agents

    AI AgentsFreemium0 💬48

Head-to-head comparisons