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Lunary vs Respan (formerly Keywords AI)

Lunary

6.8 #29 in AI Agent Observability Tools

Respan (formerly Keywords AI)

7.3 #19 in AI Agent Observability Tools

About Respan (formerly Keywords AI)

	Lunary	Respan (formerly Keywords AI)
Free plan		Yes
Free trial	No	Yes
Paid from	$20/mo	$16.58/mo
Platforms	api, self-hosted, Web	api, self-hosted, Web
Free plan	No	Yes
Cost tracking	Yes	Yes
Token cost tracking	Yes	Yes
LLM tracing	Yes	Yes
LLM evaluations	Yes	Yes
Prompt management	Yes	Yes
Agent tracing	Yes	Yes
Deployment options	both	both
Paid from		199 /mo
Retrieval tracing		Yes

Listed together in Best AI Agent Observability Tools Best LLM Observability Tools Best AI LLM Observability Tools