"Following a week of major AI programming announcements from Microsoft and Google, OpenAI has joined in the fun. Today, OpenAI is announcing a new version of Codex, its programming-focused AI model. While the announcement was today, the actual GPT-5.1-Codex-Max capability will be available tomorrow in Codex for ChatGPT Plus, Pro, Business, Edu, and Enterprise users. API access is "coming soon." OpenAI says the new Max model "replaces GPT-5.1-Codex as the recommended model for agentic coding tasks in Codex and Codex-like environments.""
"The big news is that the new Max model can work on bigger assignments. AIs have a context window, which is roughly the amount of information and processing an AI can handle in one shot. In a human, think of it as attention span, or as how much work somebody can get done before needing a new cup of coffee."
GPT-5.1-Codex-Max will be available tomorrow in Codex for ChatGPT Plus, Pro, Business, Edu, and Enterprise users, with API access coming soon. The Max model replaces GPT-5.1-Codex as the recommended model for agentic coding tasks in Codex and Codex-like environments. The Max capability supports much larger context windows so it can handle bigger assignments without getting overwhelmed. Tokens are the internal memory representations that determine how much an AI can process at once. The Max model delivers faster execution and uses fewer tokens, improving real-world coding efficiency. A Windows-trained Codex variant aids cross-platform development tasks.
Read at ZDNET
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