Opik
Opik is an open-source LLM observability platform from Comet that provides detailed tracing, prompt tracking, and automated evaluation for AI applications. One-line integration captures every LLM call, cost, and output with built-in eval metrics including hallucination detection.
Maxim AI
Testing and observability platform designed specifically for AI agents rather than single LLM calls. Covers simulation testing, multi-turn conversation evaluation, and production monitoring for complex agentic systems.