Official resources filtered for AI/API development workflows. Free conditions and limits are governed by each official source.
An observability platform for tracing, cost, latency and quality in LLM applications.
The open-source version is self-hostable; the official cloud free tier and quotas must be checked against the current plan.
View resource βAn LLM API observability and cost analysis tool with proxy-based integration.
The core project is open source; the cloud free tier and quotas are subject to the official plan page.
View resource βAn open observability standard for cross-language traces, metrics and logs.
The specification, SDKs and Collector are open source; backend storage costs are billed separately.
View resource βAn open-source tool for LLM tracing, evaluation and retrieval quality observability.
Open source and self-hostable; the hosted version's plans must be checked separately.
View resource βA developer tool for tracing, evaluating and versioning LLM applications.
A public developer entry point is available; free tier limits are subject to the official plan page.
View resource βError tracking, performance monitoring and release health analysis.
An official developer free plan is available; event volume and retention are subject to the current plan page.
View resource βA product analytics, event capture and experimentation platform suited to observing developer product behavior.
An official free event quota is available; specific product modules and quotas are subject to the current plan page.
View resource β