Alternatives to Arize Phoenix

Open-source observability and evaluation for AI agents

Open-source LLM observability and prompt management for production AI agents.

OpenTelemetry-native observability with autonomous AI agents

AI agent observability for tracing, monitoring, and evaluating LLM apps

Opik observability, evaluation, and auto-fix for AI agents with cost intelligence

Open-source OpenTelemetry LLM observability for Python devs

Open source AI engineering platform for agents, LLMs, and models.

Open-source AI observability tools for self-hosted monitoring

Open-source RAG engine for enterprise AI agent context.

Open-source MCP server for live Chrome browser control and DevTools debugging

Unify LLM evaluation, observability, and red teaming in one shared workspace.

Open-source vector database for billion-scale AI similarity search.

Fast web crawling, scraping & search API for AI agents

Co-own and monetize AI agents with on-chain ownership and staking rewards.

AI agents that handle on-call and production operations so engineers can build.

Managed vector database for AI agent memory and retrieval

Enterprise AI platform with 40+ pre-built applications for rapid deployment

Sovereign domain-specific SLLMs for European enterprises & government.

Eval engineering platform that turns evals into production guardrails at 96% lower cost.

Automated NAS and inference optimization for NVIDIA hardware.

End-to-end ML and AI platform for building, training, and deploying models on AWS.

Automated data pipelines for analytics, operations, and AI at scale.