OpenAI GPT‑5.1 Goes Mainstream: What Developers, GitHub Copilot and Microsoft Copilot Studio Users Need to Know Today (15 November 2025)
Published: November 15, 2025 A new default for AI work: GPT‑5.1 rolls out across the stack OpenAI’s newest flagship model, GPT‑5.1, is moving from announcement to reality across the developer ecosystem. In just a few days it has: Around those core launches, today’s