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AI news on December 11, 2025 · Thursday

11 stories — deduplicated across sources, ranked by significance, every source cited.
★ Top story · ModelsDec 11

Advancing science and math with GPT-5.2

GPT-5.2 is OpenAI’s strongest model yet for math and science, setting new state-of-the-art results on benchmarks like GPQA Diamond and FrontierMath. This post shows how those gains translate into real research progress, including solving an open theoretical problem and generating reliable mathematical proofs.

ModelsGPT-5.2

Introducing GPT-5.2

Models·OpenAI Blog·Dec 11
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ModelsGPT-5.2

Deepening our partnership with the UK AI Security Institute

Industry·Google DeepMind Blog·Dec 11
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Ten years

Research·OpenAI Blog·Dec 11
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Update to GPT-5 System Card: GPT-5.2

Models·OpenAI Blog·Dec 11
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Codex is Open Sourcing AI models

Other·Hugging Face Blog·Dec 11
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New in llama.cpp: Model Management

Models·Hugging Face Blog·Dec 11
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