How much does the Sakana AI API cost?

Sakana AI models cost from $2.95 to $7.38 per 1M input tokens through YepAPI. The cheapest is Fugu Max ($2.95 in / $8.86 out per 1M). You pay per request with no monthly fee.

How do I get a Sakana AI API key?

Sign up at yepapi.com (about 30 seconds), open the dashboard and create an API key. The one key works for all 2 Sakana AI models and 283 models from other providers — no separate Sakana AI account.

What is the cheapest Sakana AI model?

Fugu Max — $2.95 in / $8.86 out per 1M.

Which Sakana AI model has the largest context window?

Fugu Max, with 1M tokens of context.

Can I use the Sakana AI API with the OpenAI SDK?

Yes. Set the base URL to https://api.yepapi.com/v1/ai, use your YepAPI key, and pass the Sakana AI model ID (for example "sakana/fugu-max").

AI API/Sakana AI

Sakana AI API pricing & API key

Every Sakana AI model on one page: 2 models, from $2.95 to $7.38 per 1M input tokens. Get one Sakana AI API key from YepAPI and pay per request — no subscription, no Sakana AI account or waitlist.

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Takes 30 seconds.

Sakana AI API pricing (2 models)

YepAPI prices per 1M tokens (text) or per output (media), cheapest first. Updated September 27, 2026.

Model	Input / 1M	Output / 1M	Context
Fugu Max	$2.95	$8.86	1M
Fugu Ultra v2	$7.38	$44.31	1M

All Sakana AI models

Fugu Max

Text Generation

Access Sakana AI's Fugu Max through one API key. Multi-agent orchestration at a workhorse price.

1M ctx$2.95/M in

Fugu Ultra v2

Text Generation

Access Sakana AI's Fugu Ultra v2 through one API key. The top tier of the Fugu multi-agent system.

1M ctx$7.38/M in

Start using Sakana AI models in 30 seconds

Pay as you go, no subscriptions.

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Sakana AI API through YepAPI

YepAPI provides access to Sakana AI models through a unified API endpoint. Instead of managing a separate Sakana AI API key and billing account, use your single YepAPI key to call any Sakana AI model alongside 283 other AI models from OpenAI, Anthropic, Google, Meta, and more.

All Sakana AI models use the same OpenAI-compatible request format. Switch between models by changing the model parameter — no SDK changes, no code rewrites. Pay per token with no monthly minimums.

How to get a Sakana AI API key

Sign up at yepapi.com with Google or email — about 30 seconds.
Open the dashboard and create an API key (it starts with yep_sk_).
Call any Sakana AI model with that key — the OpenAI-compatible /v1/ai/chat/completions endpoint for text models.
Top up any amount; usage is billed per request.

Sakana AI API FAQ

How much does the Sakana AI API cost?: Sakana AI models cost from $2.95 to $7.38 per 1M input tokens through YepAPI. The cheapest is Fugu Max ($2.95 in / $8.86 out per 1M). You pay per request with no monthly fee.
How do I get a Sakana AI API key?: Sign up at yepapi.com (about 30 seconds), open the dashboard and create an API key. The one key works for all 2 Sakana AI models and 283 models from other providers — no separate Sakana AI account.
What is the cheapest Sakana AI model?: Fugu Max — $2.95 in / $8.86 out per 1M.
Which Sakana AI model has the largest context window?: Fugu Max, with 1M tokens of context.
Can I use the Sakana AI API with the OpenAI SDK?: Yes. Set the base URL to https://api.yepapi.com/v1/ai, use your YepAPI key, and pass the Sakana AI model ID (for example "sakana/fugu-max").

Ready to use Sakana AI models?

2 Sakana AI models included with one API key.

Get API Key