OpenAI just dropped GPT-5.1: faster, smarter, and warmer by design
On Wednesday, November 12, 2025, OpenAI unveiled GPT-5.1, a major mid-cycle upgrade to its flagship ChatGPT models. The update introduces two new variants — GPT-5.1 Instant and GPT-5.1 Thinking — both designed to make conversations faster, smarter, and more natural. According to OpenAI, GPT-5.1 is built to feel “warmer” and more human-like in tone, while also improving instruction-following and reasoning. The Instant model […]
