Why use GPT-5.4 Pro on OpenAI API?
OpenAI API offers GPT-5.4 Pro with pay-as-you-go pricing at $30.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.
Compare GPT-5.4 Pro across 2 providers to find the best fit for your use caseCompare GPT-5.4 Pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $30.00 | $180.00 |
| OpenAI API | $30.00 | $180.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $30.00 |
| Output tokens | $180.00 |
Capabilities
About GPT-5.4 Pro
Premium extended-reasoning GPT-5.4 variant producing smarter and more precise responses. Replacement for o3-deep-research and o4-mini-deep-research. No prompt caching discount.
FAQ
What does GPT-5.4 Pro cost on OpenAI API?
On OpenAI API, GPT-5.4 Pro costs $30.00 per 1M input tokens and $180.00 per 1M output tokens.
What is the context window for GPT-5.4 Pro on OpenAI API?
GPT-5.4 Pro supports a 1,050,000 token context window on OpenAI API.
How does OpenAI API compare to other GPT-5.4 Pro providers?
GPT-5.4 Pro is available from 2 providers. The cheapest input pricing is $30/1M tokens from OpenRouter.
What API model ID do I use for GPT-5.4 Pro on OpenAI API?
Use the model ID gpt-5.4-pro when calling OpenAI API's API.
Who created GPT-5.4 Pro?
GPT-5.4 Pro was created by OpenAI as part of the GPT-5.4 model family.
Is GPT-5.4 Pro open source?
GPT-5.4 Pro is not open source; the seed data lists it as proprietary.