Fugu Ultra v2

by Sakana Intelligent Reasoning Agentic Long Context

Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family.

Choose a model to compare against Fugu Ultra v2

Specifications

Specifications for Fugu Ultra v2
LabSakana
Context window1M tokens
Input price $5.00/1M
Output price $30.00/1M
ReleaseSep 2026

Strengths

  • Learned multi-agent orchestration for complex tasks
  • Million-token context window
  • Supports text, image, and file inputs

Weaknesses

  • High output cost at 0 per million tokens
  • Limited independent benchmark history

Best for

  • Long-horizon research
  • Complex agent workflows
  • Large document analysis

In Depth: Fugu Ultra v2

Summary

Fugu Ultra v2 is an AI model from Sakana.

Released in Sep 2026. It takes text, image, and file input and produces text output, with a context window of 1M tokens. Input pricing is $5.00 per 1M tokens and output is $30.00 per 1M tokens on OpenRouter.

Sources & Further Reading

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