Sakana: Fugu Ultra

SAKANA Developer Architecture Profile

OpenRouter ↗HuggingFace ↗

Intelligence (ELO)1487Chatbot Arena Verified

Max Context Limit1,000,000Max Out: 128,000 tokens

Prompt Caching90% OFF$0.50 / 1M cached

Standard API / 1M$35.00Blended Standard Rate

Model Capabilities & Contract SLAs

Coding & Logic
Fictional

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...

Granular Pricing Matrix

Input Tokens (Standard Prompt)$5.00 / 1M

⚡ Cached Input (Prompt Cache Read)90% OFF$0.50 / 1M

Output Tokens (Completion)$30.00 / 1M

Pricing data via OpenRouter. Sync: 10/2/2026

Evaluate Competitors

VS Engine MatchupSakana: Fugu Ultra vs Anthropic: Claude Opus 4.8 (batch)VS Engine MatchupSakana: Fugu Ultra vs OpenAI: GPT-5.4 Image 2 VS Engine MatchupSakana: Fugu Ultra vs Anthropic: Claude Opus 4.7 (batch)VS Engine MatchupSakana: Fugu Ultra vs OpenAI: o3 Pro VS Engine MatchupSakana: Fugu Ultra vs OpenAI: o1-pro VS Engine MatchupSakana: Fugu Ultra vs OpenAI: o3 Mini (batch)