GPT-4 pricing
OpenAI · list prices as of 2026-09-29
| Input | $30 per 1M tokens |
|---|---|
| Output | $60 per 1M tokens |
| Batch / async | 50% off |
| Context window | 8K tokens |
| Longest answer | 4K 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 | $0.0480 | $1,440 |
| Document summary | 6,000 | 400 | $0.2040 | $6,120 |
| Code change | 3,000 | 1,200 | $0.1620 | $4,860 |
No caching or batch discount. Your own prompt will differ: count it exactly below.
Price your own prompt on GPT-4Similarly priced models
- o1 (OpenAI): 1.5× cheaper
- Claude Fable 5 (Anthropic): 1.9× cheaper
- Claude Fable 5.1 (Anthropic): 1.9× cheaper
- Claude Mythos 5 (Anthropic): 1.9× cheaper
- Claude Mythos 5.1 (Anthropic): 1.9× cheaper
Questions
How much does GPT-4 cost?
GPT-4 costs $30 per million input tokens and $60 per million output tokens, as of 2026-09-29.
How much is one GPT-4 call?
A call with 1,000 input tokens and a 300-token answer costs about $0.0480, or $1,440 a month at 1,000 calls a day.
How big is the GPT-4 context window?
8,192 tokens.