What is Sakana Fugu Ultra?
Sakana Fugu Ultra is a chat model from openrouter (slug: sakana-fugu-ultra). Pick Sakana Fugu Ultra when your evals pass at band C3 and the fulfillment hosts below are allowed venues.
Catalog snapshot 2026-06-27.
Sakana Fugu Ultra is listed in the o10 fulfillment catalog as of 2026-06-27. Openrouter publishes this model without a published context window in this snapshot. o10 lists Sakana Fugu Ultra on OpenRouter at routing band C3. API slug sakana-fugu-ultra. Verify list prices against the venue you call.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
Sakana Fugu Ultra. Specs, hosts, and routing
Snapshot
No list price in snapshot
Spec
openrouter · context varies by host · band C3
On this page
AnswersSelf-contained
When should you pick Sakana Fugu Ultra?
Pick Sakana Fugu Ultra when your evals pass at band C3 and the fulfillment hosts below are allowed venues. Sakana Fugu Ultra is the openrouter SKU in this catalog. Compare same-provider siblings before jumping labs.
How does Sakana Fugu Ultra differ from sibling models?
Sakana Fugu Ultra is the openrouter SKU in this catalog. Compare same-provider siblings before jumping labs.
How much does Sakana Fugu Ultra cost per million tokens?
Sakana Fugu Ultra does not have published per-token pricing in the current gateway snapshot. See fulfillment hosts below for routing options.
Pricing unavailable in current snapshot.
Where can you run Sakana Fugu Ultra?
Sakana Fugu Ultra is configured on OpenRouter. Known host IDs: openrouter: openrouter/sakana/fugu-ultra. This model is routable through o10 eval-gated routing.
What is Sakana Fugu Ultra's context window?
Sakana Fugu Ultra context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
What o10 routing band is Sakana Fugu Ultra?
Sakana Fugu Ultra is classified at o10 routing band C3. Bands group models by cost tier and eval profile: C0 (economy), C1 (standard), C2 (capable), C3/C4 (frontier). Production routing is enabled for this slug.
Who makes Sakana Fugu Ultra?
Sakana Fugu Ultra is attributed to source provider openrouter in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.
01Deep dive
Specifications
Sakana Fugu Ultra in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `sakana-fugu-ultra` |
| Type | text |
| Band | C3 |
| Routable | Yes |
| Source provider | openrouter |
| Primary host | OpenRouter |
02Deep dive
Fulfillment hosts
Upstream venues configured for Sakana Fugu Ultra.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/sakana/fugu-ultra |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: sakana-fugu-ultra. Band: C3. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
SourceMethodology
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
FAQFrequently asked questions
Common questions
How much does Sakana Fugu Ultra cost?
Sakana Fugu Ultra has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
What is Sakana Fugu Ultra's context window?
Context limits for Sakana Fugu Ultra vary by fulfillment host. See the specifications table on this page.
Which hosts serve Sakana Fugu Ultra?
Sakana Fugu Ultra (sakana-fugu-ultra) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Is Sakana Fugu Ultra routable through o10?
Yes. Sakana Fugu Ultra is routable at band C3. Send model: "sakana-fugu-ultra" or use an o10 smart routing alias.
How do I call Sakana Fugu Ultra via o10?
Use o10 slug "sakana-fugu-ultra" in the model field. See /models/routing for smart aliases (o10/auto, o10/frontier, o10/squad).
How does o10 route this model?
o10 routes Sakana Fugu Ultra only when per-use-case evals clear at your quality floor. Band C3 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.