🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
open-source playground monitoring analytics evaluation ycombinator openai gpt large-language-models llm prompt-engineering langchain llmops llama-index prompt-management llm-evaluation llm-observability agent-monitoring llm-cost
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Updated
Oct 29, 2025 - TypeScript