The Orchestrator › Models › Sakana AI

Sakana AI: Sakana: Fugu Ultra v2

Fugu Ultra v2 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...

Specifications

ProviderSakana AI
Model IDsakana/fugu-ultra-v2
Context window1M tokens (1,000,000)
Modalitiestext + image + file → text
TokenizerOther
Router sourcesOpenRouter, Vercel AI Gateway
Released2026-09-11
Tracked since2026-11-14
PopularityNot in the ranked set
ReasoningMandatory

Pricing (per million tokens)

VariantSourceAPI IDInputOutputContext
standardOpenRoutersakana/fugu-ultra-v2$5.00$30.001M
aliasOpenRoutersakana/fugu-ultra$5.00$30.001M
aliasVercel AI Gatewaysakana/fugu-ultra$5.00$30.001M
standardVercel AI Gatewaysakana/fugu-ultra-v2$5.00$30.001M

Recorded price history

DateInput / 1MOutput / 1MContext
2026-11-14$5.00$30.001M
2026-11-14$5.00$30.001M

Capabilities

Vision (image input)File inputAgentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoningNo training on inputs (attested)

Trust flags come from TrustedRouter's per-provider attestations.

Supported parameters

include_reasoning, reasoning, reasoning_effort, structured_outputs, tool_choice, tools, web_search_options