OpenAI

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 in high-stakes use cases. It supports test-time routing features and advanced prompt understanding, including user-specified intent like "think hard about this." Improvements include reductions in hallucination, sycophancy, and better performance in coding, writing, and health-related tasks.

Input / 1M tokens

$1.25

Output / 1M tokens

$10.00

Context window

400K tokens

Provider

OpenAI

Cached input / 1M

$0.125

Knowledge cutoff

2024-09-30