How much does Gpt 5 cost per million tokens?
Gpt 5 costs $1.25/1M input tokens and $10.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Gpt 5 costs $1.25/1M input tokens and $10.00/1M output tokens as of 2026-06-27. Openai publishes this model with a 400K tokens context window. o10 lists Gpt 5 on OpenRouter at routing band C1.
Last updated: 2026-06-27. Full catalog
Gpt 5 pricing — input/output per 1M tokens
AnswersSelf-contained
Where can you run Gpt 5?
Gpt 5 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's context window?
Gpt 5 supports a 400K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
01Deep dive
Token pricing
Gateway snapshot pricing for Gpt 5.
| Unit | Price |
|---|---|
| Input | $1.25/1M tokens |
| Output | $10/1M tokens |
02Deep dive
Fulfillment hosts
Upstream venues configured for Gpt 5.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/openai/gpt-5 |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: openai-gpt-5. Band: C1. Routable: yes.
See [/models/routing](/models/routing) for smart aliases (o10/auto, o10/frontier, o10/squad) and [/kyi](/kyi) for governance.
SourceMethodology
Gateway catalog snapshot 2026-06-27. Fulfillment catalog synced from o10 control plane. Verify list prices against openai and host providers.
FAQFrequently asked questions
Common questions
How much does Gpt 5 cost?
Gpt 5 costs $1.25/1M input tokens and $10.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
What is Gpt 5's context window?
Gpt 5 supports 400K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Which hosts serve Gpt 5?
Gpt 5 (openai-gpt-5) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Is Gpt 5 routable through o10?
Yes. Gpt 5 is routable at band C1. Send model: "openai-gpt-5" or use an o10 smart routing alias.
How do I call Gpt 5 via o10?
Use o10 slug "openai-gpt-5" or gateway ID "openai/gpt-5" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
How does o10 route this model?
o10 routes Gpt 5 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.
What is the API model ID for Gpt 5?
The o10 slug is "openai-gpt-5"; the unified gateway ID is "openai/gpt-5". Pricing snapshot date: 2026-06-27.