"OpenAI claims that GPT-5.5 Instant produced 52.5% fewer hallucinated claims than its Instant model for GPT-5.3 on high-stakes prompts covering areas like medicine, law, and finance."
"GPT-5.5 Instant also reduced inaccurate claims by 37.3% on especially challenging conversations users had flagged for factual errors."
"With GPT-5.5 Instant, ChatGPT is now more effective at pulling in context from things like previous chats and your Gmail to give you more personalized responses."
"A new 'memory sources' feature will let the chatbot show what context was used to inform personalized responses, and you can delete or correct information if you need."
OpenAI's GPT-5.5 Instant model shows significant improvements in factual accuracy, producing 52.5% fewer hallucinated claims compared to GPT-5.3. It also reduces inaccurate claims by 37.3% in challenging conversations. The model enhances everyday task capabilities, providing tighter responses and avoiding unnecessary emojis. Personalized responses are improved by pulling context from previous chats and Gmail. A new memory sources feature allows users to see and manage the context used for responses. The rollout begins for all users, with enhanced features available first to Plus and Pro users.
Read at The Verge
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