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Developers gain major speed and cost savings with new GPT-5.1 update
OpenAI GPT-5.1 adds more personalities, loses inhibitions
OpenAI walks a tricky tightrope with GPT-5.1’s eight new personalities
OpenAI's GPT-5.1 Brings Smarter Reasoning and More Personality Presets To ChatGPT
OpenAI's GPT-5.1 makes ChatGPT 'warmer' and smarter - how its upgraded modes work now
OpenAI reboots ChatGPT experience with GPT-5.1 after mixed reviews of GPT-5
