Prompt flow
Build and evaluate LLM application flows
Prompt flow is an open-source development toolkit from Microsoft for building, testing, and evaluating LLM-powered applications. It provides a visual flow editor, batch evaluation, and tooling to debug prompt pipelines locally.
Key features
- Visual flow authoring
- Batch evaluation runs
- Local debugging tools
- VS Code extension
Strengths
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 11.2k GitHub stars
- Written in Python
Prompt flow replaces
Compare Prompt flow
19 head-to-head comparisons.
- Prompt flow vs OpenClaw
- Prompt flow vs Hermes Agent
- Prompt flow vs OpenCode
- Prompt flow vs Hugging Face Transformers
- Prompt flow vs Langflow
- Prompt flow vs Dify
- Prompt flow vs PaddleOCR
- Prompt flow vs RAGFlow
- Prompt flow vs OpenHands
- Prompt flow vs screenshot-to-code
- Prompt flow vs Langfuse
- Prompt flow vs promptfoo
- Prompt flow vs DeepEval
- Prompt flow vs Ragas
- Prompt flow vs Arize Phoenix
- Prompt flow vs BentoML
- Prompt flow vs OpenLLMetry
- Prompt flow vs Agenta
- Prompt flow vs Weave
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