In simple English
Building a good AI application takes a lot of trial and error. This tool gives you a workspace to connect language models, prompts, and Python code together. You can test your app with different inputs to see how well it works. It helps you catch mistakes before you share your app with the public. It is free to use, but you will need to pay for the language model APIs you connect to it.
What it is
Microsoft Prompt Flow is a set of developer tools for building and testing applications powered by language models (AI systems that read and write text). It lets you link prompts and code into executable pipelines called flows.
What it is good for
It is good for solo builders who want to test different prompts systematically instead of guessing. It helps you check if your AI app gives good answers before you put it on the web.
- Connects prompts, code, and language models into clear visual flows.
- Includes batch testing to check your app's performance against large datasets.
- Offers a command-line tool and a code editor extension for easy testing.
- Requires Python knowledge and comfort with the command line.
- Telemetry tracking is turned on by default, so you need to opt out manually.
- Ties your workflow closely to Microsoft tools and patterns.
Writing raw Python scripts to test language model prompts one by one
Visual Studio Code
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python -m venv venv source venv/bin/activate pip install promptflow promptflow-tools