Sakana AI

Sakana Fugu

Name: Sakana Fugu
Author: Sakana AI

Sakana Fugu is a Sakana AI model with Not verified context, Not verified in / Not verified out per million tokens, last verified October 2, 2026. Open weights: not verified. Public-board scores are linked to the publisher; vendor-only figures stay in the watch-out, not on the board.

Sakana Fugu is a hosted orchestration service that selects and coordinates multiple underlying models.

Recorded profile verification October 2, 2026Individual provider fields may changeAccess: restricted — API launch article is dated June 22, 2026. Current regional restrictions apply; aliases and model pools can change.

AI model specification details
Specification	Sakana Fugu
Provider	Sakana AI
Tier	Balanced
Context window	Not verifiedUnverified
Max output	Not verifiedUnverified
Input / 1M tokens	Not verifiedUnverified
Output / 1M tokens	Not verifiedUnverified
Weights	Not verifiedUnverified
Parameters	Not verifiedUnverified
Reasoning levels	high, xhigh, max
Modalities	text, image
API model id	fugu
Released	June 22, 2026

Pricing tiers: There is no universal numeric Fugu tariff. One agent is billed at its underlying model rate; multiple agents are billed once at the highest-tier model involved rather than stacking fees. API subscriptions are separate from Sakana Chat limits.

Best for

Evaluating multi-model orchestration
Existing OpenAI-compatible agent workflows

Watch out

This is the moving default fugu route; it is distinct from fixed-price Ultra and Max. high/xhigh are distinct and max aliases xhigh. Custom provider-pool selection is documented for fugu API keys. Full history must be sent; previous_response_id is rejected. EU/EEA access is unavailable. Publisher client config advertises 1M context and image input; server-enforced context/output maxima and downloadable coordinator weights are unverified.

History

Sakana Fugu timeline

Release and status events for this model that passed two-source verification — dated, sourced, and linked.

Sakana FuguAvailability updateJune 22, 2026
Sakana Fugu API launch

Source receipts

Catalog figures for this model were checked against the following sources.

Exact current model IDs and endpoint contract (accessed 2026-10-02)
Provider API setup and version-specific effort rules (accessed 2026-10-02)
Current pay-as-you-go pricing (accessed 2026-10-02)
Initial Fugu API launch (accessed 2026-10-02)
Current EU/EEA availability restriction (accessed 2026-10-02)

Common questions

Sakana Fugu

Answered from the verified figures on this page rather than general guidance.

What is Sakana Fugu best for?

Sakana Fugu is a balanced tier from Sakana AI. It suits evaluating multi-model orchestration, existing openai-compatible agent workflows. This is the moving default fugu route; it is distinct from fixed-price Ultra and Max. high/xhigh are distinct and max aliases xhigh. Custom provider-pool selection is documented for fugu API keys. Full history must be sent; previous_response_id is rejected. EU/EEA access is unavailable. Publisher client config advertises 1M context and image input; server-enforced context/output maxima and downloadable coordinator weights are unverified.

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