OpenLLMetry vs Arize Phoenix

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

OpenLLMetry OpenTelemetry-based LLM observability Visit Arize Phoenix Open-source LLM evaluation and observability Visit
RECATOOLS Score 7 / 10 7.8 / 10
Capability 7 8
Value for money 8 9
Ease of use 6 6
ASEAN readiness 6 8
API quality 7 8
Pricing Open Source Open Source
Free tier
Paid from
Has API
Open source
Free to use
Users
Founded 2023 2023
Maker
Verdict

OpenLLMetry by Traceloop is an open-source observability layer for LLM applications built on OpenTelemetry standards, auto-instrumenting popular frameworks (LangChain, LlamaIndex, OpenAI, etc.) to trace prompts, completi...

Arize Phoenix is an open-source observability and evaluation toolkit for LLM and AI applications, offering tracing, prompt and RAG debugging, evals, and OpenTelemetry-based instrumentation that runs locally or self-hoste...

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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.