Gpt 5 1 Chat is listed in the o10 fulfillment catalog as of 2026-06-27. Openai publishes this model. o10 lists Gpt 5 1 Chat on OpenRouter at routing band C1.

Last updated: 2026-06-27. Full catalog

Gpt 5 1 Chat — specs, hosts, and routing

AnswersSelf-contained

What is Gpt 5 1 Chat?

Gpt 5 1 Chat is a language model in the o10 fulfillment catalog (slug: openai-gpt-5-1-chat).

Catalog snapshot 2026-06-27.

How much does Gpt 5 1 Chat cost per million tokens?

Gpt 5 1 Chat 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 Gpt 5 1 Chat?

Gpt 5 1 Chat 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 Gpt 5 1 Chat's context window?

Gpt 5 1 Chat context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.

What o10 routing band is Gpt 5 1 Chat?

Gpt 5 1 Chat is classified at o10 routing band C1. 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 Gpt 5 1 Chat?

Gpt 5 1 Chat is attributed to source provider openai in the o10 catalog. Fulfillment hosts (OpenRouter) supply API access; list pricing may differ by venue.

01Deep dive

Specifications

Gpt 5 1 Chat in the o10 unified catalog.

Gpt 5 1 Chat specifications
FieldValue
o10 slug`openai-gpt-5-1-chat`
Typetext
BandC1
RoutableYes
Source provideropenai
Primary hostOpenRouter
02Deep dive

Fulfillment hosts

Upstream venues configured for Gpt 5 1 Chat.

Gpt 5 1 Chat fulfillment routes
HostUpstream model ID
openrouteropenrouter/openai/gpt-5.1-chat
03Deep dive

Routing with o10

Eval-gated model selection for this slug.

o10 slug: openai-gpt-5-1-chat. Band: C1. 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 Gpt 5 1 Chat cost?

Gpt 5 1 Chat has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.

What is Gpt 5 1 Chat's context window?

Context limits for Gpt 5 1 Chat vary by fulfillment host. See the specifications table on this page.

Which hosts serve Gpt 5 1 Chat?

Gpt 5 1 Chat (openai-gpt-5-1-chat) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.

Is Gpt 5 1 Chat routable through o10?

Yes. Gpt 5 1 Chat is routable at band C1. Send model: "openai-gpt-5-1-chat" or use an o10 smart routing alias.

How do I call Gpt 5 1 Chat via o10?

Use o10 slug "openai-gpt-5-1-chat" in the model field. See /models/routing for smart alias options (o10/auto, o10/economy).

How does o10 route this model?

o10 routes Gpt 5 1 Chat only when per-use-case evals clear at your quality floor. Band C1 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.