#10Sakana· released 2026-06-24

Sakana: Fugu Ultra.

Fugu Ultra 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 route...

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Context
1.0M
Input $/1M
$5.00
Output $/1M
$30.00
Modality
text · image

Benchmarks

How these are aggregated →
Arena Elo
1521
LMArena — human blind votes
AA Index
62.0
Artificial Analysis composite
LiveBench
78.2
Contamination-resistant
GPQA
85.1%
Grad-level science reasoning
MMLU-Pro
83.6%
Broad knowledge
SWE-bench
67.7%
Real GitHub bugs (Verified)
Terminal-Bench
46.2%
Agentic shell tasks
ARC-AGI
16.1%
Abstract reasoning
Aider Polyglot
82.1%
Multi-language code editing
Speed
31 tok/s
Median output speed

Nearby on the leaderboard