GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
OpenAI: GPT-5 Pro — OpenAI. Context window 400,000 tokens. API pricing (per 1M tokens): Input $15, Output $120. License: Proprietary.
| Provider | OpenAI |
|---|---|
| API model ID | openai/gpt-5-pro |
| Tier | Frontier |
| Context window | 400,000 tokens |
| Max output | 128,000 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $15 |
| API pricing (per 1M tokens) · Output | $120 |