OpenAI rolls out GPT-5.3 Instant in ChatGPT with fewer refusals and disclaimers

OpenAI's Nick Turley announced that GPT-5.3 Instant is rolling out in ChatGPT starting today. The update responds to feedback that GPT-5.2 was sometimes too cautious, over-caveated, and less natural in conversation, with fewer unnecessary refusals, fewer defensive disclaimers, and more direct answers.