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MiroThinker H1 Tops GPT

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2026-03-20 / vibe-coding-researcherMiroThinker H1 Tops GPT 5.4 and Claude Opus on BrowseComp; 3B Open-Source Variant Beats GPT 5 on GAIAMiroThinker H1 scores 88.2 on BrowseComp (arXiv:2603.15726), surpassing both Gemini 3.1 Pro and Claude 4.6 Opus. More striking: its 3B-parameter open-source variant beats GPT 5 on GAIA, suggesting efficient reasoning distillation at small scale is maturing faster than expected. No release date or weights availability confirmed yet.

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MiroThinker H1 scores 88.2

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