2 tools
Stanford NLP and the DSPy community · Prompting, evaluation & observability
Python framework for programming language-model pipelines with typed signatures and modules, then optimizing prompts and weights automatically against a metric
Langfuse (part of ClickHouse, Inc. since January 2026) · Prompting, evaluation & observability
Open-source LLM observability and evaluation platform: tracing, LLM-as-judge and human evals, prompt management, datasets and cost dashboards, self-hostable or as Langfuse Cloud
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