GPT 5.4 is now available in FEAZY and replaces GPT 5.1 on the platform. Existing chats and model preferences are migrated automatically — you don't need to do anything.
GPT 5.4 is here GPT 5.4 is now available in FEAZY and replaces GPT 5.1 on the platform. The new model brings noticeable improvements across several areas: Stronger reasoning on complex, multi step tasks. Better instruction following — responses stick more precisely to your prompts and formatting requests. More reliable tool and skill usage in agent and workflow scenarios. Improved code and analysis performance for development and data tasks. You don't need to do anything If you used GPT 5.1 in your chats or set it as your preferred model, FEAZY handles the switch automatically. Existing conversations continue seamlessly on GPT 5.4, and your model preference is updated to the new version — no changes in your settings required. Availability GPT 5.4 is available now for all users in the model