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Sakana AI · Released Sep 11, 2026

Fugu Max

Multi-agent model for routing expert agents across complex analytical tasks.

  • Proprietary
  • Reasoning
  • Tool calling
  • Vision
Capability
—No ECI score yet
Input
$2.00per 1M tokens
Output
$6.00per 1M tokens
Context
1M128K max output
Pricing

What it costs

Input
$2.00per million tokens
Output
$6.00per million tokens
Blended (3:1)
$3.00pricier than 76% of priced models

Typical monthly bills

Monthly usageEstimated cost
Side project2M input + 0.5M output tokens$7.00
Team assistant25M input + 5M output tokens$80.00
Production app250M input + 50M output tokens$800.00

Median of 9 paid API providers on models.dev.

Capability

Independent benchmarks

Epoch AI has not published a Capabilities Index score for Fugu Max yet.

Specifications

The details

Lab
Sakana AI
Released
Sep 11, 2026
Context window
1,000,000 tokens
Max output
128,000 tokens
Inputs
Text, Images, PDFs
Output
Text
Reasoning
Always on
Tool calling
Yes
Structured output
No
Weights
Proprietary
Availability
9 API providerslisted on models.dev
Same lab

More from Sakana AI

Questions

About Fugu Max

How much does Fugu Max cost?

Fugu Max costs $2.00 input / $6.00 output per million tokens (median across 9 API providers). At a 3:1 input-to-output mix that is $3.00 per million tokens, more expensive than 76% of the 445 priced models we track.

What is the context window of Fugu Max?

Fugu Max accepts up to 1,000,000 tokens per request and can write up to 128,000 tokens in one response.

How good is Fugu Max?

Epoch AI has not published a Capabilities Index score for Fugu Max yet.

Is Fugu Max open source?

No. Fugu Max is proprietary; you use it through an API or partner platforms.

What inputs does Fugu Max support?

Fugu Max accepts text, images and PDFs and replies in text. It is a reasoning model, supports tool calling.

When was Fugu Max released?

Sakana AI released Fugu Max on Sep 11, 2026.

What are the best alternatives to Fugu Max?

The closest current models from other labs on capability, price and release date are Qwen3.8 2.4T A95B (Alibaba (Qwen), $2.00 / $6.00), Pareto (Unbiased, $2.57 / $7.72), Kimi K3.1 Pro (Moonshot AI, $2.00 / $10.00) and MiMo-V2.6-Pro-UltraSpeed (Xiaomi, $4.35 / $8.70).