Announcing Fugu-Ultra v1.1 and Claude Code interface for Fugu

Sakana AI announces Fugu-Ultra v1.1, an upgrade to their orchestration engine that improves performance by up to 7.9 points over v1.0, beating leading models like Fable 5 in complex coding and reasoning tasks. They also announce a Claude Code-compatible interface for Fugu.

From the source
Today, we are thrilled to announce the next evolution of our orchestration engine: Fugu-Ultra v1.1 🐡
sakana.ai

Visit source ↗sakana.ai

Announced: 23 Jul 2026 15:00 UTC
Detected: 28 Aug 2026 21:48 UTC (+36d after)
Pricing: at the same price as Fugu-Ultra v1.0

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