Sakana: Fugu Ultra v2
Analysis Summary
Sakana's Fugu Ultra v2 is listed with text, image, and file input, tool use, function calling, and a 1,000,000-token context window. Pricing is $5 per million input tokens and $30 per million output tokens. No benchmark results for this version are supplied, leaving its reasoning quality, coding ability, and reliability unknown based on the available record.
The listed feature set could support tests involving long documents, visual inputs, and tool-driven tasks, but the price makes evidence of a quality advantage important. The data provided does not establish such an advantage. Before considering client work, evaluate it against representative workloads and measure both output quality and tool-call reliability. Until then, it is difficult to justify routine use over lower-cost options with proven results.
Assessed September 23, 2026
Editorial notes
Fugu Ultra v2 lists multimodal input, tools, and a 1M-token context, but its high listed pricing and absence of model-specific benchmarks provide little evidence for adoption.
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DFO Verdict
Fugu Ultra v2 lists multimodal input, tools, and a 1M-token context, but its high listed pricing and absence of model-specific benchmarks provide little evidence for adoption.
How Sakana: Fugu Ultra v2 compares
Its 1M-token context window is larger than 86% of the models we list. At $5.00 per million input tokens it is cheaper than 5% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $30.00 | $0.030000 |
What would Sakana: Fugu Ultra v2 cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
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These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Sakana: Fugu Ultra v2 for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Sakana: Fugu Ultra v2
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..
Frequently asked questions about Sakana: Fugu Ultra v2
How much does Sakana: Fugu Ultra v2 cost?
Sakana: Fugu Ultra v2 costs $5.00 per million input tokens and $30.00 per million output tokens.
What is the context window of Sakana: Fugu Ultra v2?
Sakana: Fugu Ultra v2 has a context window of 1,000,000 tokens (1M).
What can Sakana: Fugu Ultra v2 do?
Sakana: Fugu Ultra v2 supports image/vision input, tool use, and function calling.
Who created Sakana: Fugu Ultra v2?
Sakana: Fugu Ultra v2 is developed by Sakana and was released on September 11, 2026.