GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
| Provider | openai |
|---|---|
| Input price | $2.50 / 1M tokens |
| Output price | $15.00 / 1M tokens |
| Context window | 1050k tokens |
| Max output | 128k tokens |
| Modalities | text, image, file |
| Model ID | openai/gpt-5.4 |
A 1,000-token prompt with a 500-token answer on OpenAI: GPT-5.4 costs roughly $0.01000. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
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