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GPT 5.5

OpenAI

Introduction

GPT 5.5 is an AI model developed by OpenAI. It supports Chat, Vision, Code capabilities.

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1,050,000 tokens

130 tokens/s

12000 tokens/s

Chat

Vision

Code

Input Tokens1,050,000 tokens

Output Tokens128,000 tokens

$0.0025/1K input, $0.015/1K output

Release Information

Release Date2026-04-25

Versiongpt5.5

Try GPT 5.5 with Lunabot

GPT 5.5 - AI Model Timeline