How much does GPT-4o cost per million tokens?
GPT-4o costs $2.50/1M 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-4o costs $2.50/1M input tokens and $10.00/1M output tokens as of 2026-06-27. OpenAI publishes this model with a 128K tokens context window. o10 lists GPT-4o on OpenRouter at routing band C2. API slug openai-gpt-4o. 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-4o pricing. Input/output per 1M tokens
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AnswersSelf-contained
Where can you run GPT-4o?
GPT-4o is configured on OpenRouter. Known host IDs: openrouter: openrouter/openai/gpt-4o. This model is routable through o10 eval-gated routing.
What is GPT-4o's context window?
GPT-4o supports a 128K 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-4o.
| Unit | Price |
|---|---|
| Input | $2.5/1M tokens |
| Output | $10/1M tokens |
02Deep dive
Fulfillment hosts
Upstream venues configured for GPT-4o.
| Host | Upstream model ID |
|---|---|
| openrouter | openrouter/openai/gpt-4o |
03Deep dive
Routing with o10
Eval-gated model selection for this slug.
o10 slug: openai-gpt-4o. Band: C2. 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-4o cost?
GPT-4o costs $2.50/1M 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-4o's context window?
GPT-4o supports 128K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Which hosts serve GPT-4o?
GPT-4o (openai-gpt-4o) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.
Is GPT-4o routable through o10?
Yes. GPT-4o is routable at band C2. Send model: "openai-gpt-4o" or use an o10 smart routing alias.
How do I call GPT-4o via o10?
Use o10 slug "openai-gpt-4o" or gateway ID "openai/gpt-4o" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
How does o10 route this model?
o10 routes GPT-4o 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.
What is the API model ID for GPT-4o?
The o10 slug is "openai-gpt-4o"; the unified gateway ID is "openai/gpt-4o". Host IDs: openrouter: openrouter/openai/gpt-4o. Pricing snapshot date: 2026-06-27.
Who hosts GPT-4o?
GPT-4o is hosted as openrouter: openrouter/openai/gpt-4o. o10 maps those upstream IDs to slug "openai-gpt-4o".