AI model · OpenAI
GPT-5
Model ID: openai/gpt-5
- Input
- $1.25 per 1M tokens
- Output
- $10 per 1M tokens
- Context
- 400K tokens at once
- Max output
- 128K tokens per reply
- Released
- 7 Aug 2025 OpenAI
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image, file; gives text.
How its listing describes it
GPT-5 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 accuracy...
Sources
- OpenAI: GPT-5 on OpenRouter — read 2 Oct 2026