OpenAI · small
OpenAI GPT-5.4 nano: API pricing 2026
Cheapest OpenAI tier. Suitable for classification, simple extraction.
Input $/M tokens
$0.20
Output $/M tokens
$1.25
Cost / task
$0.0019
3k in + 1k out
Tier
small
OpenAI
Cost at common task volumes
| 1,000 tasks / yr | $1.85 |
| 10,000 tasks / yr | $18.50 |
| 100,000 tasks / yr | $185 |
| 1,000,000 tasks / yr | $1,850 |
Token shape: 3,000 input + 1,000 output per task. No prompt caching. Real cost varies with your actual prompt shape.
Source
↗ https://openai.com/api/pricingVerified 2026-06-02.
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