Nvidia Nemotron 3 Ultra 550b A55b Free is listed in the o10 fulfillment catalog as of 2026-06-27. Openrouter publishes this model. o10 lists Nvidia Nemotron 3 Ultra 550b A55b Free on OpenRouter at routing band C3.

Last updated: 2026-06-27. Full catalog

Nvidia Nemotron 3 Ultra 550b A55b Free — specs, hosts, and routing

AnswersSelf-contained

What is Nvidia Nemotron 3 Ultra 550b A55b Free?

Nvidia Nemotron 3 Ultra 550b A55b Free is a language model in the o10 fulfillment catalog (slug: nvidia-nemotron-3-ultra-550b-a55b-free).

Catalog snapshot 2026-06-27.

How much does Nvidia Nemotron 3 Ultra 550b A55b Free cost per million tokens?

Nvidia Nemotron 3 Ultra 550b A55b Free 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 Nvidia Nemotron 3 Ultra 550b A55b Free?

Nvidia Nemotron 3 Ultra 550b A55b Free is configured on OpenRouter. Each host maps to an upstream model ID listed in the fulfillment routes table. This model is routable through o10 eval-gated routing.

What is Nvidia Nemotron 3 Ultra 550b A55b Free's context window?

Nvidia Nemotron 3 Ultra 550b A55b Free context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.

What o10 routing band is Nvidia Nemotron 3 Ultra 550b A55b Free?

Nvidia Nemotron 3 Ultra 550b A55b Free 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 Nvidia Nemotron 3 Ultra 550b A55b Free?

Nvidia Nemotron 3 Ultra 550b A55b Free 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

Nvidia Nemotron 3 Ultra 550b A55b Free in the o10 unified catalog.

Nvidia Nemotron 3 Ultra 550b A55b Free specifications
FieldValue
o10 slug`nvidia-nemotron-3-ultra-550b-a55b-free`
Typetext
BandC3
RoutableYes
Source provideropenrouter
Primary hostOpenRouter
02Deep dive

Fulfillment hosts

Upstream venues configured for Nvidia Nemotron 3 Ultra 550b A55b Free.

Nvidia Nemotron 3 Ultra 550b A55b Free fulfillment routes
HostUpstream model ID
openrouteropenrouter/nvidia/nemotron-3-ultra-550b-a55b:free
03Deep dive

Routing with o10

Eval-gated model selection for this slug.

o10 slug: nvidia-nemotron-3-ultra-550b-a55b-free. Band: C3. Routable: yes.

See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/economy) 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 Nvidia Nemotron 3 Ultra 550b A55b Free cost?

Nvidia Nemotron 3 Ultra 550b A55b Free has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.

What is Nvidia Nemotron 3 Ultra 550b A55b Free's context window?

Context limits for Nvidia Nemotron 3 Ultra 550b A55b Free vary by fulfillment host. See the specifications table on this page.

Which hosts serve Nvidia Nemotron 3 Ultra 550b A55b Free?

Nvidia Nemotron 3 Ultra 550b A55b Free (nvidia-nemotron-3-ultra-550b-a55b-free) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.

Is Nvidia Nemotron 3 Ultra 550b A55b Free routable through o10?

Yes. Nvidia Nemotron 3 Ultra 550b A55b Free is routable at band C3. Send model: "nvidia-nemotron-3-ultra-550b-a55b-free" or use an o10 smart routing alias.

How do I call Nvidia Nemotron 3 Ultra 550b A55b Free via o10?

Use o10 slug "nvidia-nemotron-3-ultra-550b-a55b-free" in the model field. See /models/routing for smart alias options (o10/auto, o10/economy).

How does o10 route this model?

o10 routes Nvidia Nemotron 3 Ultra 550b A55b Free 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.