Sakana Fugu vs Sakana Fugu-Ultra

Change models
Sakana FuguSakana
IndexAll categories, out of 100.
63.9 ±7.7
66.3 ±7.7 best
GapIndex points below the top.
−2.4 · no clear gap
Top
CoverageIndex weight that has results.
80%
80%
SpeedOutput tokens per second.
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EloLMArena rating and rank.
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ReleasedMonth of release.
2026-06
2026-06
Input / 1MUS dollars per 1M input tokens.
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Output / 1MUS dollars per 1M output tokens.
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1K chats2K tokens in, 500 out, each.
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1K documents20K tokens in, 1K out, each.
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1K agent tasks200K tokens in, 20K out, each.
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ContextMaximum tokens in one request.
1M
1M
AgenticMulti-step tasks with tools.
68.0
69.2 best
CodingCode writing and repair.
64.7
68.3 best
ReasoningLogic problems and puzzles.
64.0
68.4 best
MultimodalTasks with images and text.
61.1
62.8 best
KnowledgeFacts and expert knowledge.
68.3
69.7 best
MultilingualTasks in many languages.
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InstructionTasks with strict prompt rules.
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MathMath problems.
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Benchmarks

10 shared
Sakana Fugu
Sakana Fugu-Ultra
95.5%2 / 141
95.5%2 / 141
80.2%35 / 86
82.1% best28 / 86
95.5%2 / 84
95.5%2 / 84
59.0%36 / 83
73.7% best8 / 83
92.9%2 / 59
93.2% best1 / 59
47.2%11 / 53
50.0% best9 / 53
85.1%20 / 49
86.6% best16 / 49
60.1% best1 / 35
58.7%3 / 35
MRCRv2Reasoning
86.6%5 / 14
93.6% best1 / 14
87.8%
90.8%