Sakana AI has released version 1.1 of its Fugu Ultra AI model router, reporting performance improvements of up to 7.9 points over the previous iteration. The company claims this new version outperforms Anthropic's Fable 5, even when Fable 5 is not part of the routing pool. Fugu Ultra v1.1 now includes a Claude Code-compatible endpoint, though the service remains unavailable in the European Union. AI
IMPACT This update to an AI model router may offer improved efficiency for AI applications that utilize multiple models.
RANK_REASON Product update for an AI model router, not a core frontier model release.
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