GPT-5
OpenAI
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...
What is GPT-5?
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...
Specifications
- Developer: OpenAI
- Context window: 400K tokens
- Max output: 128K tokens
- Input modalities: text, image, file
- Output modalities: text
- Input price: $1.25 per 1M tokens
- Output price: $10.00 per 1M tokens
- Knowledge cutoff: 2024-09-30
- Supported parameters: include_reasoning, max_completion_tokens, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools
Use GPT-5 with PromptLayer
PromptLayer lets teams manage, evaluate, and observe prompts that run on GPT-5 alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.
Ready to try it yourself? Sign up for PromptLayer and start managing your prompts in minutes.