phoenix — LLM Plugin by Arize-ai

Q: What is phoenix?

phoenix is AI Observability & Evaluation. It is categorized as a LLM Plugin with 9.5k GitHub stars.

Q: What programming language is phoenix written in?

phoenix is primarily written in Python. It covers topics such as agents, ai-monitoring, ai-observability.

Q: How do I install or use phoenix?

You can find installation instructions and usage details in the phoenix GitHub repository at github.com/Arize-ai/phoenix. The project has 9.5k stars and 849 forks, indicating an active community.

Q: What are the best alternatives to phoenix?

The top alternatives to phoenix on Agent Skills Hub include lmnr, litellm, promptfoo. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

by Arize-ai · LLM Plugin · ★ 9.5k

Last updated: 2026-05-05 · Indexed by AgentSkillsHub · Auto-synced every 8h

About phoenix

<img src="https://img.shields.io/static/v1?message=Docs&logo=data:image/png;base64,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

agents ai-monitoring ai-observability aiengineering anthropic datasets evals langchain llamaindex llm-eval

Quick Facts

Stars	9,527
Forks	849
Language	Python
Category	LLM Plugin
Quality Score	33.596/100
Open Issues	514
Last Updated	2026-05-05
Created	2022-11-09
Platforms	python
Est. Tokens	~30350k

Compatible Skills

These tools work well together with phoenix for enhanced workflows:

logfire — semantic(0.39)+complementary+rare_topics+same_lang+similar_pop+shared_platform (68%)
lmnr — semantic(0.45)+complementary+rare_topics+similar_pop (64%)
just-eval — semantic(0.40)+complementary+rare_topics+same_lang+shared_platform (58%)
Kiln — semantic(0.20)+complementary+rare_topics+same_lang+similar_pop+shared_platform (57%)
RagaAI-Catalyst — semantic(0.32)+complementary+same_lang+similar_pop+shared_platform (56%)

phoenix alternative? Top 6 similar tools

Looking for a phoenix alternative? If you're comparing phoenix with other llm plugin tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

lmnr by lmnr-ai · ⭐ 2.8k
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
litellm by BerriAI · ⭐ 45.7k
Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking,
promptfoo by promptfoo · ⭐ 20.9k
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance
langchain4j by langchain4j · ⭐ 11.9k
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It off
gateway by Portkey-AI · ⭐ 11.0k
A blazing fast AI Gateway with integrated guardrails. Route to 200+ LLMs, 50+ AI Guardrails with 1 fast & frie
open-swe by langchain-ai · ⭐ 9.7k
An Open-Source Asynchronous Coding Agent

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Frequently Asked Questions

What is phoenix?

phoenix is AI Observability & Evaluation. It is categorized as a LLM Plugin with 9.5k GitHub stars.

What programming language is phoenix written in?

phoenix is primarily written in Python. It covers topics such as agents, ai-monitoring, ai-observability.

How do I install or use phoenix?

You can find installation instructions and usage details in the phoenix GitHub repository at github.com/Arize-ai/phoenix. The project has 9.5k stars and 849 forks, indicating an active community.

What are the best alternatives to phoenix?

The top alternatives to phoenix on Agent Skills Hub include lmnr, litellm, promptfoo. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

View on GitHub → Browse LLM Plugin tools