We were busy in June - we've enabled Direct Preference Optimization for the GPT 4.1 family (yes, even nano!), added 12 new regions globally, and added support for fine-tuned models in the responses API. Align your models from anywhere for your multi-agent workflows!
With all our big announcements at Build, you might think we'd kick back and take a break for a few weeks... but fine-tuning never stops! We're wrapping up June with a release of direct preference opt...
Updated Jul 09, 2025
Version 3.0
AliciaFrame
Microsoft
Microsoft