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spanlens

spanlens

LLM observability in one line. Monitor cost, latency, and tokens across OpenAI, Anthropic, and Gemin

monitoring observability • open source
Product screenshot
Product screenshot
Product screenshot
Product screenshot

Spanlens gives LLM developers full visibility into their AI apps: request logs, cost tracking, and agent tracing. Just swap your OpenAI baseURL and start seeing every call, token, and dollar in real time.

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