OpenAI is releasing GPT-5.1, overhauling its flagship model with two smarter variants—GPT-5.1 Instant and GPT-5.1 Thinking—that promise warmer conversations and sharper instruction-following. The refresh arrives three months after GPT-5’s…
ChatGPT-maker OpenAI releases GPT-5.1, fixing GPT-5’s tone problem with personality presets and warmer tone
