Fugu Ultra
Fugu Ultra sits in the frontier tier — built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via sakana. 1,000,000-token context. Premium pricing.
Fugu Ultra is a multimodal AI model from sakana. It costs $5.000 per million input tokens and $30.000 per million output tokens (blended $12.500/M), with a 1,000,000-token context window.
- Strong general reasoning
- Tool use & function calling
- Long-form writing
- Production-grade reliability
- Multimodal: handles images alongside text
- Production assistants
- Long-document analysis
- Multi-step agent workflows
- Engineering copilots
Benchmarks
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See all 1 →Frequently asked questions
How much does Fugu Ultra cost?
Fugu Ultra costs $5.000 per million input tokens and $30.000 per million output tokens, for a blended reference rate of $12.500 per million tokens.
What is Fugu Ultra's context window?
Fugu Ultra supports up to 1,000,000 tokens of context in a single request.
What is Fugu Ultra best for?
Fugu Ultra is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
Who makes Fugu Ultra?
Fugu Ultra is developed and served by sakana.