GPT-5.1

Name: GPT-5.1
Price: 1.25 USD

v1.0

by OpenAI

Try API

commercial

api

Description

GPT-5.1 is our flagship model for coding and agentic tasks with configurable reasoning and non-reasoning effort. Learn more in our GPT-5.1 usage guide. Reasoning.effort supports: none (default), low, medium, and high.

Use Cases

Languages

Specifications

Context Length: 400.0K
Pricing: Input: $1.25 / 1M tokens
Output: $10.00 / 1M tokens
License: commercial