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OpenAI API Pricing Calculator (2026)
Estimate your OpenAI API costs based on model, token usage, and request volume. Prices are based on the latest published OpenAI pricing as of 2026.
Per Request
$0.006250
Daily Cost
$0.63
Monthly Cost
$18.75
OpenAI Model Pricing
| Model | Input / 1M tokens | Output / 1M tokens |
|---|---|---|
| GPT-5 | $1.25 | $10.00 |
| GPT-4o | $2.50 | $10.00 |
| GPT-4o-mini | $0.15 | $0.60 |
| O3 | $10.00 | $40.00 |
| O4-mini | $1.10 | $4.40 |
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