Old version
September 9, 2026 00:05 UTC
cf0440a0c749c7a3312f2db9fc271515913a134a51946fa312003213eb539963
CA-V-006505
New version
September 10, 2026 00:06 UTC
33ebc33c0b3bee7ec9d7eea8ad5c467b98b2252e5abed9fddb43a489724954fd
CA-V-006541
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Change Summary
OpenAI's GPT-5 System Card was reformatted to include the document title 'GPT-5 System Card | OpenAI' at the beginning. The underlying description of GPT-5's unified system architecture, reasoning models, and routing behavior remains unchanged. This is a presentational modification with no change to the stated system capabilities or safety documentation.
low severity
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0 Sentences removed
1 Sentences modified
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13 Sentences after
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0OpenAI August 7, 2025 Publication Safety GPT‑5 System Card Read the System Card (opens in a new window) Dive into the data (opens in a new window) Share GPT‑5 is a unified system with a smart and fast model that answers most questions, a deeper reasoning model for harder problems, and a real-time router that quickly decides which model to use based on conversation type, complexity, tool needs, and explicit intent (for example, if you say “think hard about this” in the prompt).0GPT-5 System Card | OpenAI August 7, 2025 Publication Safety GPT‑5 System Card Read the System Card (opens in a new window) Dive into the data (opens in a new window) Share GPT‑5 is a unified system with a smart and fast model that answers most questions, a deeper reasoning model for harder problems, and a real-time router that quickly decides which model to use based on conversation type, complexity, tool needs, and explicit intent (for example, if you say “think hard about this” in the prompt).
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