OpenAI: GPT-5 (openai/gpt-5) costs $1.25 per 1M prompt tokens and $10 per 1M completion tokens, has a 400,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.
- Prompt price
- $1.25 / 1M tokens
- Completion price
- $10 / 1M tokens
- Context
- 400,000 tokens
- Input modalities
- text, image, file
- Output modalities
- text
- Tokenizer
- GPT
- Instruct type
- —
- Knowledge cutoff
- 2024-09-30
- Hugging Face
- —
Last price change: 2025-09-25
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...