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MiniMax to open-source 2.7T parameter AI model M3 Pro

Chinese AI startup MiniMax is developing a new large language model with 2.7 trillion parameters, codenamed M3 Pro. The company plans to release this model as open-source, potentially as early as the third quarter of this year. This new model is significantly larger than their current flagship, M3 (428 billion parameters), and is expected to offer improved capabilities in complex reasoning and multi-step tasks. AI

IMPACT This open-source release of a massive model could significantly accelerate research and development in the AI community, particularly for complex reasoning tasks.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

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AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

MiniMax to open-source 2.7T parameter AI model M3 Pro

COVERAGE [2]

  1. The Decoder TIER_1 English(EN) · Maximilian Schreiner ·

    Chinese AI startup MiniMax plans to open-source a 2.7 trillion parameter model later this year

    <p><img alt="Stylized MiniMax audio wave logo with magenta-to-orange gradient against a dark background with silhouette" class="attachment-full size-full wp-post-image" height="768" src="https://the-decoder.com/wp-content/uploads/2026/06/MiniMax-Logo-Silhouette-Nano-Banana-Pro.jp…

  2. r/LocalLLaMA TIER_1 English(EN) · /u/External_Mood4719 ·

    China’s MiniMax Plans to Launch 2.7-Trillion Parameter Model

    <!-- SC_OFF --><div class="md"><p><a href="https://www.theinformation.com/briefings/exclusive-chinas-minimax-plans-launch-2-7-trillion-parameter-model">https://www.theinformation.com/briefings/exclusive-chinas-minimax-plans-launch-2-7-trillion-parameter-model</a></p> <p>According…