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Fugu Ultra v1.1

fugu Reasoning Tool Calling Attachments Structured Output

Sakana AI's upgraded Fugu Ultra release with stronger coding, agentic task execution, and advanced reasoning through dynamic orchestration of frontier models.

Providers 1
Released Jul 24, 2026
Input Modalities text, image
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
NanoGPT sakana/fugu-ultra-v1.1 $5.25/MTok $31.50/MTok 1M 16.4K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output