Sakana

Fugu Ultra

sakana/fugu-ultra
Released Jun 24, 2026Commercial
ThinkingToolsVisioncommercial cloud

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...

Cost / 1M tokens

Very high usage

$5.00

input

$0.50

cached input

$30.00

output

Context Window

1M

Up to 128K max output

Modalities

text, image → text

Other tokenizer

Quickstart & API

sakana/fugu-ultra
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Extended reasoningTool & agent callingMultimodal vision1M+ token context

Recommended Workloads in ChatOSS

  • Coding agents
  • Complex reasoning & debugging
  • Screenshot-to-code workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Active Provider Endpoints (1)

Upstream inference providers serving Fugu Ultra, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Sakana AIcache
sakana
$5.00$30.00$0.501M128K—100.0%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

include_reasoningreasoningreasoning_effortstructured_outputstool_choicetoolsweb_search_options

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