Best AI Agent Observability Tools in 2026 · page 2
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HoneyHive
HoneyHive is an agent observability platform for teams that want to observe, evaluate, and improve AI agents in production.
Free planWebAPISelf-hosted6.4Free plan - 27
Arize Phoenix
Arize Phoenix helps teams trace, evaluate, debug, and improve AI applications.
Free planWebAPISelf-hosted6.3Free plan - 28
LogicGaze
LogicGaze is an AI observability platform for tracing LLM activity, evaluating outputs, applying guardrails and tracking costs.
Free planWebAPISelf-hosted6.0Free plan - 29
Hexel
Free planAPI5.9Free plan - 30
5.6From $0.01 a month - 31
Kosmoy AI Observability
WebAPISelf-hosted5.2