New Delhi, Nov. 13 -- a new update to GPT-5 that refines conversational tone, improves instruction-following, and balances speed vs deep reasoning by automatically routing prompts to Instant or Thinking models. The update brings new personality options and reliability gains for structured tasks and is currently rolling out to paid tiers.

Three months after GPT-5's debut, GPT-5.1 is a usability-focused update aimed at fixing long-standing complaints about robotic replies and flaky instruction-following. Rather than introduce radical new capabilities, OpenAI has tuned how the model communicates, reasons, and prioritises compute, a pragmatic step to improve everyday productivity for enterprise and consumer users alike.

OpenAI says GPT-5.1 ...