Intel / article

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

Source: Sakana AI
Author: Sakana AI
Date: Published Jul 23, 2026

Terms in this piece · Glossary

AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.

Why it matters

Fugu-Ultra v1.1 routes across frontier models for up to 7.9 points more on ProgramBench and Terminal Bench 2.1 at the same price, and it now exposes a Claude Code compatible interface.

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