sakanaListed Sep 11, 2026

Sakana: Fugu Ultra v2

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...

Context window1M
Max output128K
Provider endpoints2
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
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No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

3 quotes

OpenRouter

Catalog quote
Input
$5.00
Output
$30.00
Cached input
$0.50
USD / 1M tokens
1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDsakana/fugu-ultra-v2

Sakana AI

via OpenRouter

sakana · prompt ≤ 272000 tokens

Input
$5.00
Output
$30.00
Cached input
$0.50
USD / 1M tokens

Web search $0.01/search

1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDsakana/fugu-ultra-v2::sakana

Sakana AI

via OpenRouter

sakana · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$10.00
Output
$45.00
Cached input
$1.00
USD / 1M tokens

Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDsakana/fugu-ultra-v2::sakana

Model specifications

Developer
sakana
Modality
Language
Context
1,000,000 tokens
Maximum output
128,000 tokens
Weights
Not reported
Provider listed
Sep 11, 2026
First discovered
Oct 16, 2026

Exact identities

  • openroutersakana/fugu-ultra-v2

Sources

Updated Oct 17, 2026

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