Models › OpenAI
o3 API pricing
$2.00 per 1M input tokens and $8.00 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 | $2.00 | $8.00 | $0.50 |
| Batch APIprompts ≤ 272K tokens | $1.00 | $4.00 | — |
| Flexprompts ≤ 272K tokens | $1.00 | $4.00 | $0.25 |
| Fast modeprompts ≤ 272K tokens | $3.50 | $14.00 | $0.875 |
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