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Models › sakana › Sakana: Fugu Ultra v2

Sakana: Fugu Ultra v2 — pricing & benchmarks

By sakana · Updated 2026-10-04 · Reads imageslong-context / RAGreads images / documentsstep-by-step reasoning

Sakana: Fugu Ultra v2 costs $5 per 1M input tokens and $30 per 1M output tokens, with a 1M context window. It is best suited for long-context / RAG, reads images / documents, step-by-step reasoning, and is available through one OpenAI-compatible Appmo API key.
$5Input / 1M
$30Output / 1M
1MContext
14Buzz (0-100)

What Sakana: Fugu Ultra v2 is used for

Sakana: Fugu Ultra v2 is best suited for long-context / RAG, reads images / documents, step-by-step reasoning. Access it through one Appmo API key alongside 458 other models — Appmo's optimizer can route to it automatically when it is the best value for a request.

What people are saying (last 30 days)

Not enough posts yet to judge community sentiment. 2 Hacker News stories (7 points). How we measure this.

Use it via the Appmo API (OpenAI-compatible)

curl https://appmo.com/v1/chat/completions \
  -H "Authorization: Bearer $APPMO_KEY" \
  -d '{"model":"sakana/fugu-ultra-v2","messages":[{"role":"user","content":"Hello"}]}'

FAQ

How much does Sakana: Fugu Ultra v2 cost?
Sakana: Fugu Ultra v2 costs $5 per 1M input tokens and $30 per 1M output tokens ($11.25 blended), as of 2026-10-04. Prices are expected to fall as competition increases.

What is Sakana: Fugu Ultra v2 best for?
Sakana: Fugu Ultra v2 is best suited for long-context / RAG, reads images / documents, step-by-step reasoning.

How do I use Sakana: Fugu Ultra v2?
Send requests to Appmo's OpenAI-compatible endpoint with model id "sakana/fugu-ultra-v2" and one API key — no separate provider account needed.

Is Sakana: Fugu Ultra v2 open source?
We have no record of public weights for Sakana: Fugu Ultra v2; treat it as a closed model available only through its provider's API.

Can Sakana: Fugu Ultra v2 create images?
No. Sakana: Fugu Ultra v2 can read and understand images, but it only writes text.