Baserun
Baserun is a testing and observability platform designed for LLM applications, helping AI teams identify latency, cost, and output issues.
Free + paidWebPython SDKJavaScript SDK
Visit websitebaserun.ai
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Baserun is a testing and observability platform designed for LLM applications, helping AI teams identify latency, cost, and output issues. It provides capabilities such as tracing requests to debug problems, managing prompt versions for comparison, and running evaluations on datasets to ensure quality. Targeted at AI engineers and developers, it streamlines the cycle from issue identification to solution deployment. The platform offers a free tier for individual users.
Key features
- LLM request tracing and logging
- Prompt version management
- Dataset evaluation and testing
Pricing
Use cases
- Debugging LLM latency issues
- Evaluating prompt performance
- Monitoring production AI apps
Who it is for
AI EngineersDevelopers
Integrations
OpenAIAnthropicLangChainLlamaIndexPineconeSlackVercel
Tags
API
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 09/02/2026Verified sources: 4
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