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AI Model

Fugu Ultra v2.0

New· 4

The capability half of Sakana's orchestration pair — 74.3 on DeepSWE, top 2 on seven of eight benchmarks.

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About Fugu Ultra v2.0

Fugu Ultra v2.0 shipped on 11 September 2026 as the capability-first half of Sakana AI's pair, sharing the orchestration architecture of Fugu Max but tuned for complex work rather than lowest cost. Sakana reports 48.3 on Chartography and 74.3 on DeepSWE, says Ultra v2 is best or joint-best on GDP.pdf, Chartography, SWEFish, DeepSWE and Toolathon, and places it in the top two on seven of eight benchmarks it reports. No price is stated for Ultra v2 in the announcement — only Fugu Max is priced there — so no price is recorded. Context window and licence are likewise unstated and left blank rather than inherited from a sibling model. Access is through the same OpenAI-compatible API.

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Trust Score

4/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement — the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
18/100 · 20%
Engagement
0/100 · 15%
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Updated 9/12/2026

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