Phoenix by Arize is an open-source observability and evaluation tool for AI and LLM applications. It provides tracing, dataset management, and built-in evaluators to measure hallucination, relevance, and toxicity. Designed for ML engineers and data scientists who need deep insight into model and agent behavior during development and production.
opensource, platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.
The closest tools in the directory, matched on shared capability rather than category alone.
| Tool | Pricing | API | Open source |
|---|---|---|---|
| Phoenix (this tool) | Paid | Not stated | Yes |
| Agenta | Paid | Not stated | Yes |
| aider | Paid | Not stated | Yes |
| Bloom | Paid | Not stated | Yes |
| Continue | Paid | Not stated | Yes |
Phoenix by Arize is an open-source observability and evaluation tool for AI and LLM applications. It provides tracing, dataset management, and built-in evaluators to measure hallucination, relevance, and toxicity. Designed for ML engineers and data scientists who need deep insight into model and agent behavior during development and production.
Phoenix is Paid. Paid tool. Visit the site to view current pricing plans.
Phoenix runs on Web. Whether it offers a public API isn't stated — check the vendor's docs before planning an integration.
Yes — Phoenix publishes its source, so you can self-host it, audit what it does with your data, and avoid per-seat pricing. Browse more open-source options at brofindai.com/tags/open-source.
The closest alternatives are Agenta, aider, Bloom, Continue — all coding & dev tools tools that overlap with Phoenix on coding, developer, llm. See the full list at brofindai.com/alternatives/phoenix.
Phoenix
phoenix.arize.com
Paid tool. Visit the site to view current pricing plans.