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MBZUAI and G42 release K2 Think, a 32-billion-parameter open reasoning model

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Source: MBZUAI

Abu Dhabi’s Mohamed bin Zayed University of Artificial Intelligence and G42 released K2 Think, a 32-billion-parameter reasoning model, with its training data, weights, deployment code and test-time software published. The developers said it led open-source models on maths benchmarks including AIME 2024 and 2025, HMMT 2025 and OMNI-Math-HARD. It was released on Hugging Face and k2think.ai, with availability on Cerebras hardware announced as coming soon.

Why it matters

Researchers got a reasoning model from a Gulf university with its training data and code published alongside the weights, so its results can be reproduced and studied.

When
9 Sep 2025
ID
WTA-N-2025-0143
Who
MBZUAI, G42, Cerebras

Summary by wheresthe.ai, from MBZUAI. Checked against the source on 9 Oct 2026.

Read the original at MBZUAI

Source copy: download the page text as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: What happened nextAbu Dhabi’s MBZUAI releases K2 Horizon, six models with weights and training data

Cite this story

WTA-N-2025-0143: “MBZUAI and G42 release K2 Think, a 32-billion-parameter open reasoning model.” wheresthe.ai, 9 Sep 2025. https://wheresthe.ai/d/ae-mbzuai-g42-k2-think-2025-09/ (source: MBZUAI).

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