What is the best alternative to Arize Phoenix?

It depends on whether you'd rather self-host or buy a managed product. daytona is the most widely-adopted open-source alternative (72k GitHub stars); Browserbase is one of the commercial options. Compare the full list above on adoption, license, and pricing.

Is there a free or open-source alternative to Arize Phoenix?

Yes. daytona, mem0, and Langfuse are open-source agent infrastructure you can self-host for free — you still pay for the infrastructure you run them on and any model or API usage. See the ranked open-source list above.

How are these Arize Phoenix alternatives ranked?

Every product in the agent infrastructure category is a candidate. Open-source alternatives are ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used, not abandoned. Commercial products are listed separately and alphabetically, because stars don't measure commercial adoption. Sponsored placement is always labeled and never affects the ranking.

Alternatives · Agent Infrastructure

Arize Phoenix alternatives

Looking for an alternative to Arize Phoenix? Below are the agent infrastructure in our index that do a similar job — open-source options are ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. Arize Phoenix is open source, so the list below includes both other self-hostable projects and commercial products.

the 10 closest of 34 · all agent infrastructure · how we rank

The product you're replacing

Arize PhoenixInfrastructureAgent Infrastructure

Arize's source-available AI observability platform for tracing, evaluation, datasets and experiments.

Free · 12k stars · Python · Elastic-2.0 · updated Sep 2026

Visit Arize Phoenix →Full Arize Phoenix record

Arize Phoenix's own profile notes it may not be the right fit if you need an OSI open-source licence; Phoenix uses the Elastic License 2.0, which restricts offering it as a managed service. If that's you, the options below are worth comparing.

Commercial alternatives to Arize Phoenix

Listed alphabetically — GitHub stars don't measure commercial adoption.

BrowserbaseInfrastructureHosted browser infrastructure and web tools for agent applications.FreemiumVerified

vs Arize Phoenix — Browserbase is a commercial product; Arize Phoenix is open-source and self-hostable.

Pipecat CloudInfrastructureManaged deployment and observability for Pipecat voice-agent pipelines.Paid productVerified

vs Arize Phoenix — Pipecat Cloud is a commercial product; Arize Phoenix is open-source and self-hostable.

Open-source alternatives to Arize Phoenix

Ranked by maintained adoption — self-hostable and free to run.

daytonaInfrastructureSecure elastic infrastructure for running AI-generated code; this repository is no longer maintained.Open sourceVerified 72kGitHub stars

vs Arize Phoenix — Pricing model differs — Arize Phoenix is free, daytona is open source.

mem0InfrastructureUniversal memory layer for AI AgentsOpen sourcePython · Apache-2.0Verified · Active 66kGitHub stars

vs Arize Phoenix — Licensing differs: Arize Phoenix is Elastic-2.0, mem0 is Apache-2.0.

LangfuseInfrastructureAn open-source LLM engineering platform for tracing, evaluation, prompt management and debugging.Open sourceTypeScript · MITVerified · Active 35kGitHub stars

vs Arize Phoenix — Arize Phoenix is written primarily in Python; Langfuse in TypeScript.

GraphitiInfrastructureA framework for building temporal context graphs that give AI agents memory of how facts change.Open sourcePython · Apache-2.0Verified · Active 31kGitHub stars

vs Arize Phoenix — Licensing differs: Arize Phoenix is Elastic-2.0, Graphiti is Apache-2.0.

CogneeInfrastructureAn open-source memory platform that turns documents, code and conversations into a knowledge graph for agents.Open sourcePython · Apache-2.0Verified · Active 31kGitHub stars

vs Arize Phoenix — Licensing differs: Arize Phoenix is Elastic-2.0, Cognee is Apache-2.0.

ComposioInfrastructureSDKs that give AI agents 1,000+ pre-authenticated toolkits, per-user sessions, triggers and a sandbox.Open sourceTypeScript · MITVerified · Active 30kGitHub stars

vs Arize Phoenix — Arize Phoenix is written primarily in Python; Composio in TypeScript.

cuaInfrastructureOpen-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).Open sourcePython · MITVerified · Active 26kGitHub stars

vs Arize Phoenix — Licensing differs: Arize Phoenix is Elastic-2.0, cua is MIT.

OpikInfrastructureComet's open-source platform for LLM and agent tracing, evaluation, prompt management and monitoring.Open sourcePython · Apache-2.0Verified · Active 22kGitHub stars

vs Arize Phoenix — Licensing differs: Arize Phoenix is Elastic-2.0, Opik is Apache-2.0.

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Frequently asked

What is the best alternative to Arize Phoenix?: It depends on whether you'd rather self-host or buy a managed product. daytona is the most widely-adopted open-source alternative (72k GitHub stars); Browserbase is one of the commercial options. Compare the full list above on adoption, license, and pricing.
Is there a free or open-source alternative to Arize Phoenix?: Yes. daytona, mem0, and Langfuse are open-source agent infrastructure you can self-host for free — you still pay for the infrastructure you run them on and any model or API usage. See the ranked open-source list above.
How are these Arize Phoenix alternatives ranked?: Every product in the agent infrastructure category is a candidate. Open-source alternatives are ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used, not abandoned. Commercial products are listed separately and alphabetically, because stars don't measure commercial adoption. Sponsored placement is always labeled and never affects the ranking.