OpenAI's Pro page lists three GPT-5.6 models as "Unlimited*"

Developer Ian Nuttall flagged the label on September 29th, as OpenAI's docs keep separate limits for ChatGPT, Work and Codex.

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A close-up photograph of a computer screen displaying an abstract interface with design elements hinting at model tiers, a keyboard, and an open notebook with a company logo.

Developer Ian Nuttall flagged the label on September 29th, as OpenAI's docs keep separate limits for ChatGPT, Work and Codex.