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o3-mini token cost

OpenAI · context 200,000 tokens · tokenizer Exact

When to use o3-mini

Entry reasoning tier for lighter hard tasks. Useful when you want reasoning behavior without o3 spend. Still verify output-heavy prompts in the calculator.

Pricing

Input
$1.10/1M
Output
$4.40/1M
Cached input
$0.550/1M
Batch input
$0.550/1M
Verified

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

Budget reasoning; reasoning tokens billed as output.

Estimate with TokenCalculator

Preselect o3-mini 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 o3-mini · Count tokens · Pricing guide

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Related guides

LLM API pricing · Exact vs Approx · OpenAI token calculator · o200k vs cl100k: which OpenAI encoding counts your text?

Sources and references

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