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GPT 5.1

OpenAI

Introduction

GPT 5.1 is an AI model developed by OpenAI. It supports Chat, Vision capabilities.

250B

128,000 tokens

170 tokens/s

12000 tokens/s

Chat

Vision

Input Tokens128,000 tokens

Output Tokens8,192 tokens

$0.0002/1K input, $0.0004/1K output

Release Information

Release Date2025-11-01

Versiongpt5.1

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GPT 5.1 - AI Model Timeline