OpenAI o1 costs $15.00/1M input tokens and $60.00/1M output tokens as of 2026-06-27. OpenAI publishes this model with a 200K tokens context window. o10 lists OpenAI o1 on OpenRouter at routing band C3. API slug openai-o1. 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.

OpenAI o1. Price, context, and routing

AnswersSelf-contained

What is OpenAI o1?

OpenAI o1 is a chat model from openai (slug: openai-o1). Pick OpenAI o1 for multi-step reasoning jobs, not as a cheap chat default. o-series models spend more output tokens. Published input pricing starts at $15.00/1M tokens. Context window: 200K tokens.

Catalog snapshot 2026-06-27.

When should you pick OpenAI o1?

Pick OpenAI o1 for multi-step reasoning jobs, not as a cheap chat default. o-series models spend more output tokens. OpenAI o1 is a reasoning SKU. Prefer GPT-4o or GPT-5 mini for ordinary chat unless evals require the o-series.

How does OpenAI o1 differ from sibling models?

OpenAI o1 is a reasoning SKU. Prefer GPT-4o or GPT-5 mini for ordinary chat unless evals require the o-series.

How much does OpenAI o1 cost per million tokens?

OpenAI o1 costs $15.00/1M input tokens and $60.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.

Sourced from gateway catalog snapshot.

Where can you run OpenAI o1?

OpenAI o1 is configured on OpenRouter. Known host IDs: openrouter: openrouter/openai/o1. This model is routable through o10 eval-gated routing.

What is OpenAI o1's context window?

OpenAI o1 supports a 200K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.

What o10 routing band is OpenAI o1?

OpenAI o1 is classified at o10 routing band C3. 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 OpenAI o1?

OpenAI o1 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

OpenAI o1 in the o10 unified catalog.

OpenAI o1 specifications
FieldValue
o10 slug`openai-o1`
Typetext
BandC3
RoutableYes
Source provideropenai
Primary hostOpenRouter
Gateway ID`openai/o1`
Context window200,000 tokens
Released2024-12-05
02Deep dive

Token pricing

Gateway snapshot pricing for OpenAI o1.

OpenAI o1 token pricing
UnitPrice
Input$15/1M tokens
Output$60/1M tokens
03Deep dive

Fulfillment hosts

Upstream venues configured for OpenAI o1.

OpenAI o1 fulfillment routes
HostUpstream model ID
openrouteropenrouter/openai/o1
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Gateway provider endpoints

Endpoint-level pricing and latency from the gateway catalog.

OpenAI o1 gateway endpoints
ProviderInput ($/1M)Latency p50Uptime 1d
azure$151382.5ms10000.0%
openai$15736.5ms10000.0%
05Deep dive

Routing with o10

Eval-gated model selection for this slug.

o10 slug: openai-o1. Band: C3. 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 OpenAI o1 cost?

OpenAI o1 costs $15.00/1M input tokens and $60.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.

What is OpenAI o1's context window?

OpenAI o1 supports 200K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.

Which hosts serve OpenAI o1?

OpenAI o1 (openai-o1) is configured on: OpenRouter. Upstream model IDs are listed in the fulfillment routes section.

Is OpenAI o1 routable through o10?

Yes. OpenAI o1 is routable at band C3. Send model: "openai-o1" or use an o10 smart routing alias.

How do I call OpenAI o1 via o10?

Use o10 slug "openai-o1" or gateway ID "openai/o1" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.

How does o10 route this model?

o10 routes OpenAI o1 only when per-use-case evals clear at your quality floor. Band C3 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.

What is the API model ID for OpenAI o1?

The o10 slug is "openai-o1"; the unified gateway ID is "openai/o1". Host IDs: openrouter: openrouter/openai/o1. Pricing snapshot date: 2026-06-27.

Who hosts OpenAI o1?

OpenAI o1 is hosted as openrouter: openrouter/openai/o1. o10 maps those upstream IDs to slug "openai-o1".