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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

Fugu Ultra v1.1 is an AI model router featuring a new Claude Code-compatible endpoint. The update brings claimed benchmark gains of up to 7.9 points over the previous version, though independent verification is currently lacking. This rollout gives developers more routing flexibility, though EU users still lack access to the service.

The Decoder·Jul 24, 2026

Opening Kapyn…