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Artificial Intelligence

OpenAI Launches GPT‑5.1: Smarter, Warmer ChatGPT With New Personalities and Faster Reasoning — Rolling Out Today (Nov 12, 2025)

November 12, 2025 — OpenAI has released GPT‑5.1, an update to the GPT‑5 series that pairs a friendlier, more natural ChatGPT with clearer reasoning. The rollout includes two models—GPT‑5.1 Instant and GPT‑5.1 Thinking—and begins…

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