Fugu Ultra v2 by Sakana

Model family · Model APIs & inference · indexed, not reviewed

on OpenRouter

Not reviewed

No score, grade or rank. This listing is facts from OpenRouter and our own checks, and it stays out of the rankings until the panel reviews it.

How the index works

Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language model trained to...
What OpenRouter says about Fugu Ultra v2

Facts

Maker: Sakana
Models: 1 on OpenRouter
Newest: sakana/fugu-ultra-v2

From OpenRouter and our own checks. JSON · Markdown

Why it's listed

OpenRouter lists it, with prices from the providers that serve it.

Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.

Models 1

Model	Released	Context	Input / 1M	Output / 1M	Supports
Fugu Ultra v2 `sakana/fugu-ultra-v2`	Sep 2026	1M	$5	$30	tools, structured output, reasoning, caching, file, image

Prices and limits as OpenRouter lists them, in dollars per million tokens; a provider's own price can differ.

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