Modeldex
Sakana

Fugu Ultra

CTX1M
Reasoning · Vision · Tools
TextImageInput$5/M
TextOutput$30/M

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

PaidProprietary927/1044
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SakanaTextHolo rare

Fugu Ultra

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

fugu-ultra
Type
Text
Quality
Not rated yet
Context window
1,000,000 tokens
Max output
1,000,000 tokens
Input price
$5.00 / 1M tokens
Output price
$30.00 / 1M tokens
Cache read
$0.50 / 1M tokens
Cache write
—
Released
Jun 15, 2026
Knowledge cutoff
—
Takes in
Text, Image
Puts out
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
File attachments
Yes
Access
Paid
License
Proprietary
Rarity
Holo rare
Set number
927/1044

Weights aren’t public. Use is governed by Sakana’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: console.sakana.ai.

How good is it?

Public leaderboard scores for Fugu Ultra, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists Fugu Ultra yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

13 providers sell Fugu Ultra through an API. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
CommandCodeCheapest paidsakana/fugu-ultra$5.00$30.001M
DevPass (LLM Gateway)fugu-ultra$5.00$30.001M
Kilo Gatewaysakana/fugu-ultra$5.00$30.001M
LLM Gatewaysakana/fugu-ultra$5.00$30.001M
LLMTRsakana/fugu-ultra$5.00$30.001M
Merge Gatewaysakana/fugu-ultra$5.00$30.001M
NanoGPTsakana/fugu-ultra$5.00$30.001M
OpenRoutersakana/fugu-ultra$5.00$30.001M
Pioneersakana/fugu-ultra$5.00$30.001M
Requestyfugu-ultra$5.00$30.001.05M
Show 3 more providers
ProviderInputOutputContext
Sakana AIOfficialfugu-ultra$5.00$30.001M
Vercel AI Gatewaysakana/fugu-ultra$5.00$30.001M
AI/ML APIsakana/fugu-ultra$6.88$41.261M

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

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