Models › OpenAI
gpt-5.4-mini API pricing
$0.75 per 1M input tokens and $4.50 per 1M output tokens (prompts up to 272K tokens). Verified 2026-11-01 against the official price list.
Current prices
| Mode | Input | Output | Cache read |
|---|---|---|---|
| Standardprompts ≤ 272K tokens | $0.75 | $4.50 | $0.075 |
| Batch APIprompts ≤ 272K tokens | $0.375 | $2.25 | $0.0375 |
| Flexprompts ≤ 272K tokens | $0.375 | $2.25 | $0.0375 |
| Fast modeprompts ≤ 272K tokens | $1.50 | $9.00 | $0.15 |
USD per 1M tokens.
Price history
No price change observed since tracking started on 2025-10-25.
Source
- https://developers.openai.com/api/docs/pricing — official OpenAI price list, last verified 2026-11-01