Sakana

Fugu Max

Generally available1M contextReasoning

Summary

Fugu Max is a language model from Sakana, released on 11 Sept 2026. It accepts text, images and files and generates text, with a 1M-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $2 per million input tokens and $6 per million output tokens (OpenRouter), across 1 provider we track.

Fugu Max is the cost-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...

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperSakana
Release date11 Sept 2026 [OpenRouter]
StatusGenerally available
Context window1M (1,000,000 tokens) [OpenRouter]
Max output128K tokens [OpenRouter]
InputText, images and files [OpenRouter]
OutputText [OpenRouter]
Reasoning modeYes [OpenRouter]
Tool callingYes [OpenRouter]
Structured outputYes [OpenRouter]

Fugu Max API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
OpenRouter
sakana/fugu-max
$2$6$0.251MOpenRouter, 4 Oct 2026

Frequently asked questions

What is the context window of Fugu Max?

Fugu Max has a context window of 1,000,000 tokens (1M) and can generate up to 128,000 tokens in a single response, according to OpenRouter.

How much does the Fugu Max API cost?

Fugu Max is listed from $2 per million input tokens and $6 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

When was Fugu Max released?

Sakana released Fugu Max on 11 Sept 2026, according to OpenRouter.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources