Fugu Ultra v2on Krater.ai
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
Released September 11, 2026
Specifications
Fugu Ultra v2 at a glance
Context
1M tokens
Max output
128K tokens
Input
Text, Image, File
Output
Text
Input price
$5.00 / 1M
Output price
$30.00 / 1M
Knowledge cutoff
2026-08-28
Capabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
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Compare Fugu Ultra v2
Fugu Ultra v2 vs Fugu Max
Fugu Max is the cost-performance model in Sakana AI's Fugu family.
Open comparisonFugu Ultra v2 vs Fugu Ultra
Fugu Ultra is the higher-performance model in Sakana AI's Fugu family.
Open comparisonFugu Ultra v2 vs Sakana Namazu
Namazu is a Japanese-specialized reasoning model from Sakana AI, based on Kimi K2.6 with additional training for Japanese language and business contexts.
Open comparisonFAQ
Questions about Fugu Ultra v2
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Use Fugu Ultra v2 in your API
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