OpenAI's GPT-5.1 makes ChatGPT 'warmer' and smarter - how its upgraded modes work now
GPT-5.1 adds GPT-5 Instant and GPT-5.1 Thinking plus personalization features and new personalities to make ChatGPT warmer, more conversational, and customizable.
Google AI Mode Updates For Fantasy Sports & ChatGPT Updates GPT-5 Instant For Signed Out Users
Google added FantasyPros integration to AI Mode for fantasy football and OpenAI switched signed-out users to the GPT-5 Instant model for higher-quality responses.