OpenAI: o1 pricing
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. OpenAI: o1 from OpenRouter costs $15.00 per 1M input tokens and $60.00 per 1M output tokens. Cached input is $7.50 per 1M. Context window 200,000 tokens.
API id openai/o1 · OpenRouter · source · updated 2026-09-25 · general-purpose
$15.00
Input / 1M tokens
$60.00
Output / 1M tokens
$7.50
Cached input / 1M
200K
Context window
OpenAI: o1 specifications
- Provider
- OpenRouter
- API id
openai/o1- Model type
- general-purpose
- Context window
- 200K tokens
- Max output
- 100K tokens
- Currency
- USD
- Price source
- Provider API
- Last checked
- 2026-09-25
Tags
- reasoning
- vision
o1 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.
| Provider | Input /1M | Cached /1M | Output /1M | 1M in + 1M out | vs vendor |
|---|---|---|---|---|---|
| $15.00 | $7.50 | $60.00 | $75.00 | — | |
| $15.00 | $7.50 | $60.00 | $75.00 | — |
What OpenAI: o1 costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.04 |
| Document summary | 50,000 | 2,000 | $0.87 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $27.00 |
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 cost per 1M tokens?
- OpenAI: o1 costs $15.00 per 1M input tokens and $60.00 per 1M output tokens on the standard tier. Cached input is $7.50 per 1M.
- What is OpenAI: o1's context window?
- OpenAI: o1 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?
- Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $15.00 for OpenAI: o1, with a 16,385 token context window.
- Where does this OpenAI: o1 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
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- OpenAI: GPT-6 Luna $0.100
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- OpenAI: GPT-6 Sol $2.00
- Anthropic: Claude Opus 5.5 $4.00
- Xiaomi: MiMo-V2.6-Pro-UltraSpeed $4.35
- Xiaomi: MiMo-V2.6-Flash $0.140
- Xiaomi: MiMo-V2.6-Pro $0.435