Gpt 5 1 Chat is listed in the o10 fulfillment catalog as of 2026-06-27. OpenAI publishes this model without a published context window in this snapshot. o10 lists Gpt 5 1 Chat on OpenRouter at routing band C1. API slug openai-gpt-5-1-chat. 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.
Gpt 5 1 Chat is a chat model from openai (slug: openai-gpt-5-1-chat). Pick Gpt 5 1 Chat when you need OpenAI's general chat/vision family at this generation. It is the named GPT SKU, not a reasoning-only o-series model.
Catalog snapshot 2026-06-27.
Pick Gpt 5 1 Chat when you need OpenAI's general chat/vision family at this generation. It is the named GPT SKU, not a reasoning-only o-series model. Gpt 5 1 Chat has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
Gpt 5 1 Chat has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
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.
Gpt 5 1 Chat is configured on OpenRouter. Known host IDs: openrouter: openrouter/openai/gpt-5.1-chat. This model is routable through o10 eval-gated routing.
Gpt 5 1 Chat context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
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.
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.
Gpt 5 1 Chat in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `openai-gpt-5-1-chat` |
| Type | text |
| Band | C1 |
| Routable | Yes |
| Source provider | openai |
| Primary host | OpenRouter |
Upstream venues configured for Gpt 5 1 Chat.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/openai/gpt-5.1-chat |
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/frontier, o10/squad) and [/kyi](/kyi) for governance.
Fulfillment catalog 2026-06-27. Gateway pricing joined where slug match exists.
Gpt 5 1 Chat has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
Context limits for Gpt 5 1 Chat vary by fulfillment host. See the specifications table on this page.
Gpt 5 1 Chat (openai-gpt-5-1-chat) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Yes. Gpt 5 1 Chat is routable at band C1. Send model: "openai-gpt-5-1-chat" or use an o10 smart routing alias.
Use o10 slug "openai-gpt-5-1-chat" in the model field. See /models/routing for smart aliases (o10/auto, o10/frontier, o10/squad).
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.