GPT-5.3 Instant update
ChatGPTOpenAI
March 16, 2026
GPT-5.3 Instant update
- We’re rolling out an update to GPT-5.3 Instant that improves follow-up tone and reduces teaser-style phrasing in responses (e.g., “If you want…”, “You’ll never believe…”, “I can tell you these three things that…”).
