Will GPT5.1CodexMax be simultaneously launched into the Copilot ecosystem?

GPT-5.1-Codex-Max was revealed to be aimed at "big projects" and is known as a cutting-edge proxy coding model

OpenAI plans to launch GPT-5.1-Codex-Max for larger-scale projects, declaring that "Codex is now powered by GPT-5.1-Codex-Max, our latest frontier age...