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Tool
Category
Pricing
Free?
Updated
Galileo AI
AI Agents
From $1/mo
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Mar 2026
→
AI quality management platform for automated LLM evaluation and hallucination detection
Best for: evaluation
Arize Phoenix
AI Agents
Freemium
✓
Mar 2026
→
Open-source AI observability tool with interactive tracing and RAG evaluation
Best for: observability