---
id: 20260424-T0-01
title: "GPT-5.5通过Codex后门API开放，性能显著提升"
title_en: "GPT-5.5 Unveiled via Codex API with Major Performance Boost"
url: https://ai.daily.yangsir.net/daily/20260424-T0-01
issue_date: 2026-04-24
publish_date: 2026-04-23T19:59:47.000Z
category: release
source_name: "Simon Willison"
source_url: https://simonwillison.net/2026/Apr/23/gpt-5-5/#atom-everything
---

# GPT-5.5通过Codex后门API开放，性能显著提升

OpenAI通过半官方Codex后门API发布了GPT-5.5模型，正在向付费ChatGPT用户逐步开放。据测试，GPT-5.5在代码生成、复杂任务处理等方面速度更快、能力更强。该模型专为编程、研究和跨工具数据分析等复杂任务设计，实际测试显示其在构建复杂系统时表现出色。

## English Version

**GPT-5.5 Unveiled via Codex API with Major Performance Boost**

OpenAI has released GPT-5.5 through the semi-official Codex backdoor API, rolling out to paid ChatGPT subscribers. Preview tests confirm it's faster and more capable for complex tasks like coding, research, and cross-tool data analysis. The model excels at building complex systems with improved efficiency and output quality.

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**来源**：[Simon Willison](https://simonwillison.net/2026/Apr/23/gpt-5-5/#atom-everything)

**详情页**：https://ai.daily.yangsir.net/daily/20260424-T0-01

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