Fresh paint, wet floors — we're rebuilding CostOfToken into a cross-provider price comparison. Some corners are still under construction; the full version is coming up soon.

OpenAI: o1-pro pricing

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. OpenAI: o1-pro from OpenRouter costs $150.00 per 1M input tokens and $600.00 per 1M output tokens. Context window 200,000 tokens.

API id openai/o1-pro · OpenRouter · source · updated 2026-09-25 · general-purpose

$150.00
Input / 1M tokens
$600.00
Output / 1M tokens
—
Cached input / 1M
200K
Context window

OpenAI: o1-pro specifications

Provider
OpenRouter
API id
openai/o1-pro
Model type
general-purpose
Context window
200K tokens
Max output
100K tokens
Currency
USD
Price source
Provider API
Last checked
2026-09-25

Tags

  • flagship
  • reasoning
  • vision

o1-pro across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
OpenAIVendorCheapest
$150.00—$600.00$750.00—
OpenRouterHostviewing
$150.00—$600.00$750.00—

What OpenAI: o1-pro costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.45
Document summary50,0002,000$8.70
1M tokens in, 200K out1,000,000200,000$270.00

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does OpenAI: o1-pro cost per 1M tokens?
OpenAI: o1-pro costs $150.00 per 1M input tokens and $600.00 per 1M output tokens on the standard tier.
What is OpenAI: o1-pro's context window?
OpenAI: o1-pro accepts up to 200,000 tokens in a single request, and can return up to 100,000 output tokens.
Is there a cheaper OpenRouter model than OpenAI: o1-pro?
Yes. OpenAI: GPT-4 is $30.00 per 1M input tokens versus $150.00 for OpenAI: o1-pro, with a 8,191 token context window.
Where does this OpenAI: o1-pro price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

See all OpenRouter pricing →