GPT 5.4 pricing
$$$ Premium$2.50/M input · $15.00/M output. List prices from provider data; in idapt, chat is metered per token with transparent, usage-based pricing at the prices shown in the app.
Full rate table
| Rate | Price | Unit |
|---|---|---|
| Input | 2.5 | /M tokens |
| Output | 15 | /M tokens |
| Cache read | 0.25 | /M tokens |
| Web search | 0.01 | /search |
What typical work costs
| Workload | Tokens | List price |
|---|---|---|
| Quick question | 1K tokens in, 500 out | $0.01 |
| Long-document summary | 60K tokens in, 2K out | $0.18 |
| Agent working session | 400K tokens in, 40K out across a day | $1.60 |
Price your own workload
- Per call
- $0.01
- Per month
- $1.00
Compare up to four models at once in the cost calculator.
Frequently asked
What does GPT 5.4 cost per 1M tokens?
GPT 5.4 lists at $2.50 per 1M input tokens and $15.00 per 1M output tokens.
Does GPT 5.4 discount cached input tokens?
Yes. Cached input tokens are billed at $0.25 per 1M, versus $2.50 for fresh input. Prompts that repeat a long prefix (a system prompt, attached files) benefit the most.
What does a typical chat message with GPT 5.4 cost?
A message with about 1,000 input tokens and a 500-token reply costs roughly $0.01 at list price. Long documents and long replies scale that linearly with token counts.
Is GPT 5.4 cheaper than GPT 5.4 Mini?
GPT 5.4 Mini has the lower blended price at a 3:1 input:output mix. GPT 5.4: $2.50 in / $15.00 out per 1M. GPT 5.4 Mini: $0.75 in / $4.50 out per 1M.
How does idapt bill GPT 5.4?
Chat with GPT 5.4 in idapt is metered per token with transparent, usage-based pricing at the prices shown in the app. Subscriptions include a weekly usage allowance before any balance is touched.
Part of the GPT 5.4 model page · cheapest models board · price changes