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Fugu Ultra: price, context, what it takes

Fugu Ultra from sakana, as OpenRouter's public list names it: sakana/fugu-ultra. Read 2026-11-06.

Prices are OpenRouter's, in US dollars. For most models that is the vendor's own list price; a vendor selling direct can differ.

The modelsakana/fugu-ultra
  • Input, per 1M tokens$5.00
  • Output, per 1M tokens$30.00
  • Cached input, per 1M tokens$0.500
  • Context window1,000,000 tokens
  • Longest answer128,000 tokens
  • Takestext, images
  • Givestext
  • Acceptsreasoning, JSON schema, tools, web search
  • Released2026-06-24
  • In the list since2026-10-28
Price over time

One price since 2026-10-28, read 1 times.

Other sakana models
ModelInput, 1MOutput, 1MContext
Fugu Max$2.00$6.001M
Fugu Ultra v2$5.00$30.001M
Sakana Namazu$0.950$4.00262K

All modelsJSON