Fugu Ultra v1.1

Name: Fugu Ultra v1.1
Brand: sakana
SKU: sakana/fugu-ultra-v1-1

sakana·sakana/fugu-ultra-v1-1·GA·Closed·fugu series·NEW

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

Specs & pricing

Input / output per 1M tokens

Reference priceNanoGPT

$5.00 / $30.00

Blended $11.25 · Cache read $0.50

Lowest paidEmpirioLabs AIGateway

$5.00 / $30.00

Blended $11.25 · 1× spread

Context

1,000,000

Output limit

16,384

Knowledge cutoff

—

Released / updated

2026-06-15 / 2026-07-24

Capabilities

✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments

Modalities

TextImage

Available at 2 providers2 with public prices

Priced only

Provider	Tier	Input	Output	Cache read	Cache write	Context	Output limit	Status
EmpirioLabs AI	Gateway	$5.00 tiered >272K: $10.00	$30.00	$0.50	—	1,000,000	131,072
NanoGPT sakana/fugu-ultra-v1.1	Gateway	$5.00	$30.00	$0.50	—	1,000,000	16,384

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = higheffort = xhigheffort = max

Your usage cost

Input tokens / month

Output tokens / month

Cache hit rate

Common scenarios

1EmpirioLabs AI$1,960.00

2NanoGPT$1,960.00

The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input listOutput listMin blended

Fugu Ultra v1.1

Specs & pricing

Available at 2 providers2 with public prices

Reasoning control

Your usage cost

Price historyone sample accumulated per data sync

Related models

Fugu Ultra v1.1

Specs & pricing

Available at 2 providers2 with public prices

Reasoning control

Your usage cost

Price historyone sample accumulated per data sync

Related models