GPT-5.4 Pro API Pricing
GPT-5.4 Pro costs $30.00 per million input tokens and $180.00 per million output tokens on the OpenAI API. Prices are tracked from the official OpenAI pricing table and used by the ModelPricing.ai estimation API, so this page and the API always quote the same numbers. See all OpenAI model pricing or the full LLM pricing comparison.
GPT-5.4 Pro Pricing Per Million Tokens
| Tier | Input / 1M | Output / 1M | Cache read / 1M | Cache write / 1M |
|---|---|---|---|---|
| Up to 272K input tokens | $30.00 | $180.00 | — | — |
| Above 272K input tokens | $60.00 | $270.00 | — | — |
What GPT-5.4 Pro Costs In Practice
Monthly cost at three representative workloads, using the standard text rate in effect today.
| Workload | Monthly cost |
|---|---|
| Light — 1M in / 200K out | $66.00 |
| Moderate — 10M in / 2M out | $660.00 |
| Heavy — 100M in / 20M out | $6600.00 |
Need your own numbers? Use the LLM cost calculator or call the estimation API directly.
Compare GPT-5.4 Pro With Other Models
Looking for something cheaper from OpenAI? GPT-5 Nano is the lowest-priced option on input tokens.
GPT-5.4 Pro Pricing FAQ
How much does GPT-5.4 Pro cost per token?
GPT-5.4 Pro costs $30.00 per million input tokens and $180.00 per million output tokens on the OpenAI API. That works out to $0.0300 per thousand input tokens.
How much does it cost to run GPT-5.4 Pro per month?
At 1M in / 200K out per month, GPT-5.4 Pro costs about $66.00. A heavier workload of 100M input and 20M output tokens costs about $6600.00.
Does GPT-5.4 Pro charge more for long context?
Yes. GPT-5.4 Pro uses breakpoint pricing: requests above 272K input tokens move to a higher rate of $60.00 per million input tokens, up from $30.00 below the threshold.
Estimate GPT-5.4 Pro costs programmatically
POST a token count to /v1/estimate with model gpt-5.4-pro and get a priced breakdown back, promotions
already applied.