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Fugu Ultra
sakana/fugu-ultra
OrganizationSakana AI
FamilyFugu
Released2026-06-15
Context window1M
Max output128K
Modalities
ImageInputTextInputTextOutput
ProvidersLLM Gateway, Sakana AI, Pioneer, Merge Gateway, Vercel AI Gateway, OpenRouter, NanoGPT
WeightsClosed
Attachments
Native
Reasoning
Native
Parameters: reasoning, include_reasoning, reasoning_effort
Tool call
Native
Parameters: tools, tool_choice
Structured
Native
Parameters: structured_outputs
Temperature-
Open weight-
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