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o1-preview token cost

OpenAI · context 128,000 tokens · tokenizer Exact

Open in cost calculator · Count tokens · Full calculator · Official pricing

When to use o1-preview

Early o1 preview id kept for historical cost audits. Prefer o3 or GPT-5 reasoning paths unless an old integration still pins o1-preview.

Pricing

Input
$15.00/1M
Output
$60.00/1M
Verified

Official pricing source · Open main calculator · Cheaper long context models

Legacy preview; confirm availability before budgeting.

Estimate with TokenCalculator

Preselect o1-preview in the calculator to count tokens and project request or monthly cost. Exact vs Approx follows this model's tokenizer family. See the Exact vs Approx guide for honesty rules.

Estimate cost for o1-preview · Count tokens · Pricing guide

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Sources and references

Official documentation used for definitions, counting methods, or rate cards. Always confirm critical budgets on the provider page.