Alternatives

Arize Phoenix alternatives

On the evidence we track, the strongest alternative to Arize Phoenix is Lunary at 70/100. Arize Phoenix itself ranks #7 of 12 in llm observability. Every product below is scored on the same independent signals, so the ranking is comparable rather than a matter of opinion.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

Ranked alternatives to Arize Phoenix

  1. 170
    Lunary

    Monitor and analyze AI application performance with real-time insights and enterprise control

    medium · 73%
    vs Arize Phoenix →
  2. 261
    Traceloop

    An open-source Rust-based LLM gateway providing unified multi-provider access with built-in observability

    medium · 72%
    vs Arize Phoenix →
  3. 353
    Opik

    An open-source platform for monitoring and evaluating AI applications and agent workflows

    low · 29%
    vs Arize Phoenix →
  4. 452
    Weights & Biases Weave

    Monitoring and tracing for AI agents in production environments

    low · 25%
    vs Arize Phoenix →
  5. 549
    AgentOps

    Monitoring and observability platform for AI agents with cost tracking and performance debugging

    medium · 53%
    vs Arize Phoenix →
Still deciding?

Not sure which of these fits?

This ranking uses our balanced weighting. Say what actually matters to you (budget, compliance, self-hosting, team size) and the same llm observability get reordered against that instead.

Free to run, no account needed to start. How the evaluation works

Why these ones

An alternative here means a product in the same category as Arize Phoenix (Llm Observability), ranked by the vioscaleAI composite: a confidence-weighted blend of independent signals such as adoption, release activity, pricing transparency and security posture. There are no user reviews in it, and no vendor can pay to appear or to rank higher. Where we have not confirmed something, we show that rather than guessing.

Generated . See the method for how the composite is built, and why we are independent.