o3 Mini High API Cost Calculator
Estimate your monthly API costs for o3 Mini High from Openai.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
Estimate Your Costs
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| o3 Mini Openai | $1.10 | $4.40 |
| o4 Mini Openai | $1.10 | $4.40 |
| o4 Mini High Openai | $1.10 | $4.40 |
| GPT-5.4 Mini Openai | $0.7500 | $4.50 |
| GPT-IMAGE-1 Openai | $5.00 | $1.25 |
Frequently Asked Questions
How much does o3 Mini High cost per token?
o3 Mini High is priced at $1.10 per 1M input tokens and $4.40 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for o3 Mini High?
o3 Mini High has a context window of 200K tokens (200,000 tokens). The maximum output length is 100K tokens.
Does o3 Mini High support function calling (tool use)?
Yes, o3 Mini High supports function calling (also called tool use). You can define custom functions that the model can invoke as part of its responses.
How does o3 Mini High compare to similar models?
o3 Mini High costs $1.10 input and $4.40 output per 1M tokens. GPT-5.4 Mini is less expensive at $0.7500 input and $4.50 output per 1M tokens. See the "Compare with Similar Models" table above, or visit the GPT-5.4 Mini page at /tools/cost-calculator/openai/gpt-5-4-mini.