Spanlens

Logs every LLM call with cost, latency and agent traces once you change one base URL; hosted or self-hosted.

spanlens.io · Free plan

Visit spanlens.io ↗would rather buy than build

Details

What it does: Uptime and monitoring, Developer tools
Who it’s for: Developers, Software companies
Pricing: Free plan, Subscription
$10 to $49
Works on: Web, API
Extras: Open source, Can self-host
Works with: openai, claude, gemini, groq, mistral, xai, openrouter, docker
Tags: llm observability, cost tracking, agent tracing, response caching, ci evals

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