Vladimir Blagojevic 3ebe9b2df2
chore: Update default OpenAI model to gpt-5-mini (#10144)
* Update default OpenAI model to gpt-5-mini

* Update tests

* Fix tool invoker tests

* Update integration tests

* Update fragile test

* More robust tests

* Harden test

* More test improvements

* Better prompting, to trigger tools

* Simplify

* Simplify more

* Simplify even more, less maintenance in the future

* Mark two integration tests flaky

* Fixing fine details

* Add release note for OpenAI default model update to gpt-5-mini

* Add upgrade section to OpenAI default model release note
2025-12-01 13:55:53 +01:00
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