OpenAI17:02Feature UpdatesOfficial Blog
GPT-5.5 Instant now ChatGPT default, accuracy boosted
Precise responses speed up decisions, reduce errors in key tasks.
Key Points
- 152.5% fewer hallucinations in critical domains.
- 230% shorter, more natural responses.
- 3Enhanced memory personalization.
- 4API as gpt-5.5-chat-latest.
OpenAI rolls out GPT-5.5 Instant as ChatGPT default. Factuality improves significantly, with 52.5% fewer hallucinations in medicine, law, finance. Better image analysis, STEM answers, and concise natural responses.