According to UsagePricing's tracker, GPT-5.4 costs $2.50 per 1M input tokens and $15.00 per 1M output tokens as of March 2026. The model supports a 1,050,000-token context window.
Latest flagship — unifies Codex and GPT lines, 1M+ context, strongest reasoning.
Token Costs (per 1M)
Input Price
$2.50
Output Price
$15.00
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 3/1/2026 | $2.50 | $15.00 |
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How much does GPT-5.4 cost per 1M tokens? ▼
GPT-5.4 costs $2.5 per 1M input tokens and $15 per 1M output tokens as of March 2026.
What is GPT-5.4's context window? ▼
GPT-5.4 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? ▼
GPT-5.4 is made by OpenAI. You can access it via the OpenAI API.