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Sakana AI model outperforms Claude Opus and GPT-5.5 on SWE-Bench Pro

Sakana, a Tokyo-based lab, has developed an AI model capable of commanding GPT-5.5, achieving a score of 73.7 on the SWE-Bench Pro benchmark. This performance surpasses that of Anthropic's Claude Opus 4.8, which scored 69.2, and OpenAI's GPT-5.5, which achieved 58.6 on the same test. The development highlights advancements in AI agent capabilities and benchmark performance. AI

IMPACT This development sets a new benchmark for AI agent performance in coding tasks, potentially influencing future model development and evaluation.

RANK_REASON The item reports on a new benchmark score for an AI model, which is a research milestone. [lever_c_demoted from research: ic=1 ai=1.0]

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Sakana AI model outperforms Claude Opus and GPT-5.5 on SWE-Bench Pro

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The item reports on a new benchmark score for an AI model, which is a research milestone. [lever_c_demoted from research: ic=1 ai=1.0]
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model release, product
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High
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94 days old
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COVERAGE [1]

  1. Towards AI TIER_1 English(EN) · Chew Loong Nian - AI ENGINEER ·

    Sakana Trained One AI to Command GPT-5.5,

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://pub.towardsai.net/sakana-trained-one-ai-to-command-gpt-5-5-ed3725ba9187?source=rss----98111c9905da---4"><img src="https://cdn-images-1.medium.com/max/1200/1*5StdTHu9BxnSeFUGaBrPEw.png" width="1200" /></a>…