GPT-5.6: The System Card

According to AI researcher Zvi Mowshowitz on his blog Don't Worry About the Vase, OpenAI has released the system card for GPT-5.6, its next major language model. While the full public release remains pending, the system card—OpenAI's technical documentation of the model's capabilities and safety measures—offers the clearest early view of what the model can do. Mowshowitz digs into what the card reveals about the model's training, capabilities, and built-in guardrails.

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