What is Gpt 4?
Gpt 4 is a chat model from openrouter (slug: gpt-4). Pick Gpt 4 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.
Gpt 4 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 Gpt 4 on OpenAI at routing band C2. API slug gpt-4. 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 4. Specs, hosts, and routing
Snapshot
No list price in snapshot
Spec
openrouter · context varies by host · band C2
On this page
AnswersSelf-contained
When should you pick Gpt 4?
Pick Gpt 4 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 4 has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
How does Gpt 4 differ from sibling models?
Gpt 4 has cheaper mini/nano siblings for high-volume work. Pin the full SKU only when evals fail on the smaller tier.
How much does Gpt 4 cost per million tokens?
Gpt 4 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 4?
Gpt 4 is configured on OpenAI. Known host IDs: openai: openai/gpt-4. This model is routable through o10 eval-gated routing.
What is Gpt 4's context window?
Gpt 4 context limits depend on the fulfillment host. Check the specifications table for endpoint-specific limits.
What o10 routing band is Gpt 4?
Gpt 4 is classified at o10 routing band C2. 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 4?
Gpt 4 is attributed to source provider openrouter in the o10 catalog. Fulfillment hosts (OpenAI) supply API access; list pricing may differ by venue.
01Deep dive
Specifications
Gpt 4 in the o10 unified catalog.
| Field | Value |
|---|---|
| o10 slug | `gpt-4` |
| Type | text |
| Band | C2 |
| Routable | Yes |
| Source provider | openrouter |
| Primary host | OpenAI |
02Deep dive
Fulfillment hosts
Upstream venues configured for Gpt 4.
| Host | Upstream model ID |
|---|---|
| openai | openai/gpt-4 |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: gpt-4. Band: C2. 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 Gpt 4 cost?
Gpt 4 has no published per-token price in the current gateway snapshot. Use the fulfillment hosts table to identify available venues.
What is Gpt 4's context window?
Context limits for Gpt 4 vary by fulfillment host. See the specifications table on this page.
Which hosts serve Gpt 4?
Gpt 4 (gpt-4) is configured on: OpenAI. Upstream model IDs are listed in the fulfillment routes section.
Is Gpt 4 routable through o10?
Yes. Gpt 4 is routable at band C2. Send model: "gpt-4" or use an o10 smart routing alias.
How do I call Gpt 4 via o10?
Use o10 slug "gpt-4" in the model field. See /models/routing for smart aliases (o10/auto, o10/frontier, o10/squad).
How does o10 route this model?
o10 routes Gpt 4 only when per-use-case evals clear at your quality floor. Band C2 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.