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Sakana claims its AI model router Fugu Ultra v1.1 now beats Fable 5 without even including it in the pool
The Decoder·July 24, 2026·1 min read

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Sakana AI has released version 1.1 of its Fugu Ultra router, claiming an improvement of up to 7.9 points over the previous version. The updated model includes a Claude Code-compatible endpoint but is still not available in the EU.
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Sakana AI has updated its Fugu Ultra AI router to version 1.1, claiming gains of up to 7.9 points over v1.0. Independent verification doesn't exist yet. The update adds a Claude Code-compatible endpoint. The service remains unavailable in the EU. The article Sakana claims its AI model router Fugu Ultra v1.1 now beats Fable 5 without even including it in the pool appeared first on The Decoder.
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