According to UsagePricing's tracker, GPT-5.4 Pro costs $30.00 per 1M input tokens and $180.00 per 1M output tokens as of August 2026. The model supports a 1,050,000-token context window.
Extended-reasoning tier of GPT-5.4 for the hardest analysis and agentic work.
Token Costs (per 1M)
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 8/31/2026 | $30.00 | $180.00 |
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Frequently Asked Questions
How much does GPT-5.4 Pro cost per 1M tokens? ▼
GPT-5.4 Pro costs $30 per 1M input tokens and $180 per 1M output tokens as of August 2026.
What is GPT-5.4 Pro's context window? ▼
GPT-5.4 Pro has a context window of 1,050,000 tokens, meaning it can process approximately 787,500 words in a single request.
Who makes GPT-5.4 Pro? ▼
GPT-5.4 Pro is made by OpenAI. You can access it via the OpenAI API.