OpenAI · flagship
OpenAI GPT-5.4: API pricing 2026
Current OpenAI flagship. OpenAI's model lineup migrated to GPT-5.x — GPT-4, GPT-4o, o1 are no longer the primary listed models on the pricing page.
Input $/M tokens
$2.50
Output $/M tokens
$15.00
Cost / task
$0.0225
3k in + 1k out
Tier
flagship
OpenAI
Cost at common task volumes
| 1,000 tasks / yr | $22.50 |
| 10,000 tasks / yr | $225 |
| 100,000 tasks / yr | $2,250 |
| 1,000,000 tasks / yr | $22,500 |
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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