GPT 5.1 Prompting Guide | OpenAI Cookbook
Introduction GPT-5.1, our newest flagship model, is designed to balance intelligence and speed for a variety of agentic and coding tasks, while also introducing a new none reasoning mode for low-latency interactions. Building on the strengths of GPT-5, GPT-5.1 is better calibrated to prompt difficulty, consuming far fewer tokens on easy inputs and more efficiently handling challenging ones.
Transcript
Host A Welcome back to Exploring Next! Today we're looking at GPT-5.1 Prompting Guide | OpenAI Cookbook.
Host B Yeah, this one caught our eye because Introduction GPT-5.1, our newest flagship model, is designed to balance intelligence and speed for a variety of agentic and coding tasks, while also introducing a new none reasoning mode for low-latency interactions.
Host A So the big idea is Building on the strengths of GPT-5, GPT-5.1 is better calibrated to prompt difficulty, consuming far fewer tokens on easy inputs and more efficiently handling challenging ones.
Host B What stood out to me is Along with these benefits, GPT-5.1 is more steerable in personality, tone, and output formatting.
Host A If you're curious, give the original a read: https://cookbook.openai.com/examples/gpt-5/gpt-5-1_prompting_guide.
Host B And let us know what you try next!