Model Details
Where is o1 Pro a perfect fit?
- Complex multi-step reasoning, advanced scientific/engineering problem solving, and high-accuracy verification tasks.
- Research workflows that require extended chain-of-thought and deep, stepwise analysis.
- High-stakes code generation, formal verification, and analytics where correctness matters.
Quick Model Estimate
Your o1 Pro Cost Estimate
💰 Total Cost
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for 1000 input + 1000 output tokens
Cost Breakdown
Prices are watched for changes and checked against the provider's own page.
Pricing
Other Models in the o1 Family
FAQs about o1 Pro
How much does o1 Pro cost per 1M tokens?
o1 Pro costs between $75.00 and $150.00 per million input tokens, and between $300.00 and $600.00 per million output tokens. The range covers Standard and Batch pricing.
What does a typical workload cost with o1 Pro?
1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $300.00 with o1 Pro at its lowest rates. Use the calculator on this page for your own volumes.
Where can I use o1 Pro?
o1 Pro is available through OpenAI, from $75.00 per million input tokens.
Is there cheaper o1 Pro pricing than the standard rate?
Yes. Batch pricing for o1 Pro starts at $75.00 per million input tokens against $150.00 on the standard tier, about 50% lower.
What is o1 Pro's context window?
o1 Pro has a context window of 200,000 tokens, and returns up to 100,000 tokens in a single response.
Is o1 Pro still available?
o1 Pro is a legacy model and is scheduled for retirement on 23 October 2026. The replacement is GPT-5.6 Sol.