OpenRouterFugu Ultra v2

OpenRouter

Fugu Ultra v2

Quality-first multi-agent model for hard research, analysis, and competitions

sakana/fugu-ultra-v2
Context
1M
Max output
128K
Input $/M
$5.00
Output $/M
$30.00
Cache read $/M
$0.50
Cache write $/M

Against the catalogue

Context window1M

Larger than 82% of the 7,784 models listed

Input price$5.00

Cheaper than 5% of priced models

Capabilities

Reasoningsupported
Tool callingsupported
Structured outputsupported
Attachmentssupported
Temperaturenot supported
Open weightsnot supported
Interleaved thinkingnot supported

Modalities

Input
TextImagePDF
Output
Text

Reasoning controls

efforthigh, xhigh, max

Pricing detail

RateBase $/MOver 200K $/M
Input$5.00$10.00
Output$30.00$45.00
Cache read$0.50$1.00
Tiers
  • context ≥ 272K$10.00 in / $45.00 out