Fugu Ultra v2

Name: Fugu Ultra v2
Brand: sakana
SKU: sakana/fugu-ultra-v2
Price: 5.25 USD
Availability: InStock

sakana/fugu-ultra-v2

text, image, document in · text out · 272,000 context · 128,000 max output

toolsschemavisionreasoningcacheno-trainShow prices also in

Effective cost per 1k requestsInput tokens 2,000Output tokens 500Cached share 50%

cost = p_in·(input − cached) + p_cache_read·cached + p_out·output + p_req; cached tokens are the prefix a sticky endpoint already holds (part2b §9.3), which is why the cheapest list price is not always the cheapest request.

Provider	Region · quant	Context / max out	Input / M	Output / M	Cache read / write	Markup	Per 1k req	Uptime 30 d	TTFT p50 / p95	Throughput	Last 24 h	Fidelity	Data	Capabilities	Status
OpenRouter	global · unknown	272,000 / 128,000	$5.250	$31.50	$0.525 / —	+5.0%	$21.525	—	—	—	no traffic	—	no-train 30 d	model default	active

Quick start

curl https://api.ai.ml/v1/chat/completions \
  -H "Authorization: Bearer $AIML_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"sakana/fugu-ultra-v2","messages":[{"role":"user","content":"Say hello"}]}'

Get a key in the console

Changelog

new_model model sakana/fugu-ultra-v2 added (active); endpoint ep_openrouter_fugu-ultra-v2_global (sakana/fugu-ultra-v2) added as active; price input 5.250 output 31.500 USD/M 10/5/2026