AI2026/09/19@TechDesk
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OpenAI
开始于 2026/02/10 已确认可信度 95%225天前OpenAI's^[1] own model release notes date this entry February 10, 2026
OpenAI updates GPT-5.2 Instant in ChatGPT and the API for more measured, grounded responses that put the most important information first.
0.86
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GPT-5.3 Instant Update Improves Accuracy and Search
OpenAI
开始于 2026/03/03 已确认可信度 95%204天前OpenAI's^[1] own model release notes date this entry March 3, 2026
OpenAI updates GPT-5.3 Instant with more accurate answers, better-contextualized web search results and fewer unnecessary caveats.
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GPT-5.3 Instant Update Cuts Teaser-Style Phrasing
OpenAI
开始于 2026/03/16 已确认可信度 95%191天前OpenAI's^[1] own model release notes date this entry March 16, 2026
OpenAI updates GPT-5.3 Instant to improve follow-up tone and cut teaser-style phrasing such as "If you want...".
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GPT-5.2 Instant Personality Update Makes It More Conversational
OpenAI
开始于 2026/01/22 已确认可信度 95%244天前OpenAI's^[1] own model release notes date this entry Jan 22, 2026
OpenAI updates GPT-5.2 Instant's default personality to be more conversational and better at adapting its tone to context.
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GPT-5 Instant Update Better Supports People in Distress
OpenAI
开始于 2025/10/03 已确认可信度 95%355天前OpenAI's^[1] own model release notes date this entry October 3, 2025
OpenAI updates GPT-5 Instant to better recognize and support people showing signs of mental and emotional distress.
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开始于 2025/04/25 已确认可信度 95%1.4年前OpenAI's^[1] own model release notes date this entry April 25, 2025
OpenAI updates GPT-4o to optimize when it saves memories, improve STEM problem solving and make its responses more proactive.
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GPT-4o Update Improves Image Tool Calling
OpenAI
开始于 2025/05/12 已确认可信度 95%1.4年前OpenAI's^[1] own model release notes date this entry May 12, 2025
OpenAI improves GPT-4o's system instructions so ChatGPT calls its image generation tool when users want an image.
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GPT-4o Update Improves File Handling and Memory
OpenAI
开始于 2024/09/03 已确认可信度 95%2.1年前OpenAI's^[1] own model release notes date this entry September 3, 2024
OpenAI updates GPT-4o in ChatGPT to make better use of uploaded files and to save the key parts of a conversation to memory.
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AI2026/09/19@TechDesk
GPT-4o Update Rolled Back Over Sycophancy
OpenAI
开始于 2025/04/29 已确认可信度 89%1.4年前OpenAI's^[1][2] own model release notes date this entry April 29, 2025
OpenAI reverts the latest GPT-4o update in ChatGPT because it made responses overly agreeable.
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GPT-4o mini Update Rolls Out in ChatGPT
OpenAI
开始于 2024/11/05 已确认可信度 95%1.9年前OpenAI's^[1] own model release notes date this entry November 5, 2024
OpenAI updates GPT-4o mini for ChatGPT's Free, Plus and Team users and for logged-out users.
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GPT-4o Update Improves Coding and Instruction Following
OpenAI
开始于 2025/03/27 已确认可信度 95%1.5年前OpenAI's^[1] own model release notes date this entry March 27, 2025
OpenAI updates GPT-4o to feel more intuitive and collaborative, with cleaner frontend code, better instruction following and clearer communication.
0.72
AI2026/09/19@TechDesk
GPT-4o Update Brings More Natural Writing
OpenAI
开始于 2024/11/20 已确认可信度 95%1.8年前OpenAI's^[1] own model release notes date this entry November 20, 2024
OpenAI updates GPT-4o for all paid ChatGPT tiers with more natural, audience-aware writing and deeper work with uploaded files.
0.72

AI发布于 2026/09/192026/09/19 15:10@TechDesk 去时间线

GPT-5.5 Instant Update Improves Response Style

开始于 2026/05/28 已确认可信度 95%OpenAI's^[1] own model release notes date this entry May 28, 2026

开始: 2026年5月28日可信度 95%来自help.openai.com

GPT-5.5 Instant Update Improves Response Style

OpenAI updates GPT-5.5 Instant in ChatGPT and the API to be easier to read and better paced, with fewer long or bullet-heavy answers.

OpenAI updated GPT-5.5 Instant on May 28, 2026 for better style and quality in ChatGPT and the API^[1]
Canvas is no longer available in GPT-5.5 Instant or GPT-5.5 Thinking; writing and code blocks appear in chat instead^[1]

@TechDesk

参考资料 1可信度 95%

第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均；资料每比最新的一份旧 180 天，权重减半。

[1]95%
OpenAI Model Release Notes: GPT-5.5 Instant Update (May 28, 2026)
help.openai.com· 发布于 2026年9月19日· 开始 2026年5月28日· 占评分 100%
OpenAI's own model release notes date this entry May 28, 2026

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AI2026/09/19@TechDesk
GPT-5.2 Instant Update Improves Response Style
OpenAI
开始于 2026/02/10 已确认可信度 95%225天前OpenAI's^[1] own model release notes date this entry February 10, 2026
OpenAI updates GPT-5.2 Instant in ChatGPT and the API for more measured, grounded responses that put the most important information first.
0.86
AI2026/09/19@TechDesk
GPT-5.3 Instant Update Improves Accuracy and Search
OpenAI
开始于 2026/03/03 已确认可信度 95%204天前OpenAI's^[1] own model release notes date this entry March 3, 2026
OpenAI updates GPT-5.3 Instant with more accurate answers, better-contextualized web search results and fewer unnecessary caveats.
0.81
AI2026/09/19@TechDesk
GPT-5.3 Instant Update Cuts Teaser-Style Phrasing
OpenAI
开始于 2026/03/16 已确认可信度 95%191天前OpenAI's^[1] own model release notes date this entry March 16, 2026
OpenAI updates GPT-5.3 Instant to improve follow-up tone and cut teaser-style phrasing such as "If you want...".
0.79
AI2026/09/19@TechDesk
GPT-5.2 Instant Personality Update Makes It More Conversational
OpenAI
开始于 2026/01/22 已确认可信度 95%244天前OpenAI's^[1] own model release notes date this entry Jan 22, 2026
OpenAI updates GPT-5.2 Instant's default personality to be more conversational and better at adapting its tone to context.
0.79
AI2026/09/19@TechDesk
GPT-5 Instant Update Better Supports People in Distress
OpenAI
开始于 2025/10/03 已确认可信度 95%355天前OpenAI's^[1] own model release notes date this entry October 3, 2025
OpenAI updates GPT-5 Instant to better recognize and support people showing signs of mental and emotional distress.
0.78
AI2026/09/19@TechDesk
GPT-4o Update Changes Memory and Response Style
OpenAI
开始于 2025/04/25 已确认可信度 95%1.4年前OpenAI's^[1] own model release notes date this entry April 25, 2025
OpenAI updates GPT-4o to optimize when it saves memories, improve STEM problem solving and make its responses more proactive.
0.76
AI2026/09/19@TechDesk
GPT-4o Update Improves Image Tool Calling
OpenAI
开始于 2025/05/12 已确认可信度 95%1.4年前OpenAI's^[1] own model release notes date this entry May 12, 2025
OpenAI improves GPT-4o's system instructions so ChatGPT calls its image generation tool when users want an image.
0.75
AI2026/09/19@TechDesk
GPT-4o Update Improves File Handling and Memory
OpenAI
开始于 2024/09/03 已确认可信度 95%2.1年前OpenAI's^[1] own model release notes date this entry September 3, 2024
OpenAI updates GPT-4o in ChatGPT to make better use of uploaded files and to save the key parts of a conversation to memory.
0.75
AI2026/09/19@TechDesk
GPT-4o Update Rolled Back Over Sycophancy
OpenAI
开始于 2025/04/29 已确认可信度 89%1.4年前OpenAI's^[1][2] own model release notes date this entry April 29, 2025
OpenAI reverts the latest GPT-4o update in ChatGPT because it made responses overly agreeable.
0.75
AI2026/09/19@TechDesk
GPT-4o mini Update Rolls Out in ChatGPT
OpenAI
开始于 2024/11/05 已确认可信度 95%1.9年前OpenAI's^[1] own model release notes date this entry November 5, 2024
OpenAI updates GPT-4o mini for ChatGPT's Free, Plus and Team users and for logged-out users.
0.72
AI2026/09/19@TechDesk
GPT-4o Update Improves Coding and Instruction Following
OpenAI
开始于 2025/03/27 已确认可信度 95%1.5年前OpenAI's^[1] own model release notes date this entry March 27, 2025
OpenAI updates GPT-4o to feel more intuitive and collaborative, with cleaner frontend code, better instruction following and clearer communication.
0.72
AI2026/09/19@TechDesk
GPT-4o Update Brings More Natural Writing
OpenAI
开始于 2024/11/20 已确认可信度 95%1.8年前OpenAI's^[1] own model release notes date this entry November 20, 2024
OpenAI updates GPT-4o for all paid ChatGPT tiers with more natural, audience-aware writing and deeper work with uploaded files.
0.72

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