GPT-5.4 pricing
OpenAI · list prices as of 2026-09-29
| Input | $2.50 per 1M tokens |
|---|---|
| Output | $15 per 1M tokens |
| Cached input (read) | $0.25 per 1M tokens |
| Batch / async | 50% off |
| Context window | 1.05M 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 | $0.007 | $210.00 |
| Document summary | 6,000 | 400 | $0.0210 | $630.00 |
| Code change | 3,000 | 1,200 | $0.0255 | $765.00 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on GPT-5.4Similarly priced models
- Claude Sonnet 4.5 (Anthropic): 1.1× more
- Claude Sonnet 4.6 (Anthropic): 1.1× more
- Grok 4 (xAI): 1.1× more
- GPT-5.2 (OpenAI): 1.2× cheaper
- Gemini 3.1 Pro (preview) (Google): 1.3× cheaper
Questions
How much does GPT-5.4 cost?
GPT-5.4 costs $2.50 per million input tokens and $15 per million output tokens, as of 2026-09-29.
How much is one GPT-5.4 call?
A call with 1,000 input tokens and a 300-token answer costs about $0.007, or $210.00 a month at 1,000 calls a day.
How big is the GPT-5.4 context window?
1,050,000 tokens.