Sakana models

Sakana AI, the Tokyo lab, researches nature-inspired approaches to model design. Its Fugu models are not single monolithic models but a learned multi-agent orchestration system that routes work across specialised models. Zeplik carries Fugu Ultra v2 and the cost-performance Fugu Max, with the original Fugu Ultra behind them.

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All 3 Sakana models

Pricing at a glance

Frequently asked questions

Which Sakana models can I use on Zeplik?

Zeplik carries 3 Sakana models: Fugu Ultra v2, Fugu Max and Fugu Ultra. They all run in the same chat, so you do not need a separate Sakana account or API key.

How much do Sakana models cost on Zeplik?

Output tokens run from 72.0 to 360 credits per million depending on which Sakana model you pick (raw provider rates $6.00 to $30.00 per million). 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin.

Which Sakana model has the largest context window?

Fugu Ultra v2, at 1M tokens (1,000,000). The context window covers the conversation plus any documents you attach.

Do Sakana models support images and tool calling?

All 3 accept image input, and all of them support tool calling.

Do I need a paid plan to use Sakana models on Zeplik?

All 3 need a paid plan (Plus or above). Usage is then billed in credits from your monthly allowance.

What is the newest Sakana model on Zeplik?

Fugu Ultra v2, released September 2026. Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family.

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