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o3 token cost
OpenAI · context 200,000 tokens · tokenizer Exact
Open in cost calculator · Count tokens · Full calculator · Official pricing
When to use o3
OpenAI reasoning model for harder problems where extra thinking tokens are worth the bill. Watch output cost: reasoning tokens are billed at the output rate.
Pricing
- Input
- $2.00/1M
- Output
- $8.00/1M
- Cached input
- $0.500/1M
- Batch input
- $1.00/1M
- Verified
Official pricing source · Open main calculator
Reasoning tokens are billed at the output rate.
Estimate with TokenCALC
Preselect o3 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.