GPT-5.4 API Pricing
GPT-5.4 by OpenAI costs $2.50 per million input tokens and $15.00 per million output tokens.
Price verified from OpenAI's pricing page.
Rates and limits
- Input / 1M
- $2.50
- Output / 1M
- $15.00
- Cached input / 1M
- $0.25
- Batch discount
- 50% off
- Context window
- 1.05M tokens
- Released
- August 2025
Pricing note: Prompts over 272K input tokens are billed at $5 in / $0.50 cached / $22.50 out for the whole request.
What GPT-5.4 costs per month
Token volume split 3:1 between input and output, with no prompt caching.
| Tokens per month | Input / output | Standard | Batch API |
|---|---|---|---|
| 1M | 750K / 250K | $5.63 | $2.81 |
| 10M | 7.5M / 2.5M | $56.25 | $28.13 |
| 100M | 75M / 25M | $562.50 | $281.25 |
Where to run GPT-5.4
Prices above are OpenAI's direct rates. Cloud platforms can charge differently; the cloud platform view compares them.
- OpenAI APIDirect API
- Azure OpenAI ServiceCloud / platform
- OpenRouterCloud / platform
GPT-5.4 pricing FAQ
How much does GPT-5.4 cost per million tokens?
GPT-5.4 costs $2.50 per million input tokens and $15.00 per million output tokens, as listed on OpenAI's pricing page on September 30, 2026.
How much does GPT-5.4 cost for 10 million tokens a month?
About $56.25 a month, assuming 7.5 million input and 2.5 million output tokens with no prompt caching, or $28.13 through the batch API.
What is the context window of GPT-5.4?
GPT-5.4 accepts up to 1,050,000 tokens of context.
Does GPT-5.4 support prompt caching?
Yes. Cached input tokens cost $0.25 per million, 90% less than the standard input rate.
Is there a batch discount for GPT-5.4?
Yes. Requests sent through the batch API cost 50% less: $1.25 per million input tokens and $7.50 per million output tokens.
Where can I use the GPT-5.4 API?
GPT-5.4 is available through OpenAI API, Azure OpenAI Service, and OpenRouter.
Compare with other models
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Prices shown as input / output per million tokens. All model prices · Side-by-side comparison