"Could not parse JSON body" error in following Structured Output example

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Here’s an answer for you: not the latest versions of support libraries like Pydantic.

You may need to make a venv and follow the install versioning I note here:

What's wrong with my Structured Output response format?

Run this in your Python environment: import pydantic_core, pydantic print(pydantic_core.__version__, pydantic.__version__) Output result meeting the latest supported: 2.20.1 2.8.2 If you have lesser or greater versions in your Python 3.9-3.11 environment for OpenAI API requests, try this forced upgrade line from the user account (with access to upgrade those installations) or on the venv: pip install --upgrade --upgrade-strategy eager regex "charset-normalizer<4" "idna" "urllib3<3" "certi…

Problems - and using bleeding-edige python versions.