🏆 FlagshipEnterprise
o1 Pro
by OpenAI
Most powerful o1 reasoning model with extended compute for the hardest problems
Input Price
$150
per 1M tokens
Output Price
$600
per 1M tokens
Context Window
200K
tokens (100K max output)
Specifications
Release Date2024-12-17
Category🏆 Flagship
Context Window200,000 tokens
Max Output100,000 tokens
Capabilities
textvisioncodereasoning
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Monthly Cost Estimates
| Usage Level | Daily Tokens | Daily | Monthly | Yearly |
|---|---|---|---|---|
| Light~50 requests/day | 100K in / 20K out | $27.00 | $810.00 | $9855 |
| Medium~200 requests/day | 500K in / 100K out | $135.00 | $4050.00 | $49275 |
| Heavy~1K requests/day | 2,000K in / 500K out | $600.00 | $18000.00 | $219000 |
| Enterprise~5K requests/day | 10,000K in / 2,000K out | $2700.00 | $81000.00 | $985500 |
Cost Calculator
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Frequently Asked Questions
How much does o1 Pro API cost per million tokens?▼
o1 Pro costs $150 per million input tokens and $600 per million output tokens as of 2026. These are the standard API rates from OpenAI.
What is the o1 Pro context window?▼
o1 Pro supports a 200K context window (200,000 tokens), which means you can process up to 200K tokens in a single API call.
How much does o1 Pro cost per month?▼
At medium usage (~200 requests/day with 500K input and 100K output tokens/day), o1 Pro costs approximately $4050.00/month. Light usage runs about $810.00/month, and heavy usage (~1K requests/day) around $18000.00/month.
Is there a cheaper alternative to o1 Pro?▼
Yes — GPT-5.4 Pro by OpenAI is a cheaper option at $30/M input tokens vs $150/M for o1 Pro. Other budget alternatives include models in the efficient tier.
Is o1 Pro good for ai agent / agentic workflows?▼
o1 Pro is a flagship model with support for text, vision, code. For ai agent / agentic workflows, it offers 200K context and costs $150/M input tokens — a premium option for this use case.
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