GPT-5.4 mini pricing
OpenAI · list prices as of 2026-09-29
| Input | $0.75 per 1M tokens |
|---|---|
| Output | $4.50 per 1M tokens |
| Cached input (read) | $0.075 per 1M tokens |
| Batch / async | 50% off |
| Context window | 272K tokens |
| Longest answer | 128K tokens |
What a call costs
| Typical call | Input tokens | Output tokens | Per call | Per month at 1,000 a day |
|---|---|---|---|---|
| Chat reply | 1,000 | 300 | $0.0021 | $63.00 |
| Document summary | 6,000 | 400 | $0.0063 | $189.00 |
| Code change | 3,000 | 1,200 | $0.00765 | $229.50 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on GPT-5.4 miniSimilarly priced models
- Grok 4.20 (xAI): 1.1× cheaper
- Grok 4.3 (xAI): 1.1× cheaper
- Gemini 3.6 Flash (Google): 1.1× cheaper
- Gemini 3.7 Flash (Google): 1.1× cheaper
- Gemini 3.8 Flash (Google): 1.1× cheaper
Questions
How much does GPT-5.4 mini cost?
GPT-5.4 mini costs $0.75 per million input tokens and $4.50 per million output tokens, as of 2026-09-29.
How much is one GPT-5.4 mini call?
A call with 1,000 input tokens and a 300-token answer costs about $0.0021, or $63.00 a month at 1,000 calls a day.
How big is the GPT-5.4 mini context window?
272,000 tokens.