A new version of ChatGPT’s “instant” model aims for smoother conversations while cutting back the preachiness.
GPT-5.3 Instant reduces overcaveating; safety thresholds stay unchanged, with fewer unnecessary disclaimers in harmless chats and jokes.
OpenAI releases GPT-5.3 Instant for ChatGPT with fewer refusals, improved web answers, and reduced hallucinations across major benchmarks.