The fine-tuning documentation includes an example with structured output. However, it doesn’t mention the new feature of structured outputs using response_format: {type: "json_schema", ...}, as detailed in the structured outputs guide . Since tool calling is supported, can we assume that the new str…

Also following in case someone else knows/has worked this out. If it is supported, hopefully the documentation will be updated soon.

@nebojsa.vasiljevic have you had the chance to run any experiments with fine-tuning? I noticed that using the describe() method to document fields can act as a sort of ‘micro-prompt,’ providing a certain degree of control over the outcome. However, fine-tuning would likely yield better results overa…

My test with gpt-4o-mini-2024-07-18 info: - 9:55:44 a.m.: The job failed due to an invalid training file. Invalid file format. Line 1, key “response_format”: Extra inputs are not permitted

My test with gpt-4o-2024-08-06 info: - 10:00:26 a.m.: The job failed due to an invalid training file. Invalid file format. Line 1, key “response_format”: Extra inputs are not permitted

Can I use `response_format: {type: "json_schema", ...}` in fine-tuning?

API

PaulBellow August 21, 2024, 10:43pm 2

Welcome back! Hope you’ve been well.

I’m not sure off-hand, but following in case someone else knows.

Please let us know if you figure it out.

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Can I use `response_format: {type: "json_schema", ...}` in fine-tuning?

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