Sakana Fugu Ultra

Sakana AI · Released Jun 22, 2026

Input price / MTok

$30

Output price / MTok

Context window

95.5

GPQA Diamond

93.2

LiveCodeBench

Summary

Sakana Fugu Ultra is a proprietary language model from Sakana AI, released on Jun 22, 2026.

At $5 input and $30 output per million tokens, it ranks #36 of 40 for input price, placing it mid-range on input cost.

Its context window of 1M tokens ranks #31 of 41 for context depth in this dataset.

It targets reasoning, agents, coding workloads.

Orchestrator model trained to devise agentic scaffolds across a swappable pool of frontier LLMs; behaves as a single model behind one API (coordination is learned, not static bundling).

Benchmarks

Technical specs

Sakana AI

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