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Sakana AIactive

Fugu Ultra

Released at: June 24, 2026

API StatusAvailable for integration
Context Window1,000,000 tokens
Input Price / MTok$5.00
Output Price / MTok$30.00

Model Overview

Sakana AI · Active Model

  • Long-Context
  • API Available
  • Vetted Benchmarks
  • Production Ready

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...

Developer
Sakana AI
Release Date
June 24, 2026
Context Window
1,000,000 tokens≈ 1,333 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$5.00per million tokens
Output Cost
$30.00per million tokens
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Vetted Benchmarks

MMLU(estimated)Score: 85.4% (Top 39%)
HumanEval(estimated)Score: 84.6% (Top 46%)
MATH(estimated)Score: 65.8% (Top 41%)
MT-Bench(estimated)Score: 8.9 (Top 34%)
GPQA(estimated)Score: 47.2% (Top 31%)
HellaSwag(estimated)Score: 86.4% (Top 29%)

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