AI2026/09/19@TechDesk
GPT-4o Update Extends Knowledge to June 2024
OpenAI
开始于 2025/01/29 已确认可信度 95%1.7年前OpenAI's^[1] own model release notes date this entry January 29, 2025
OpenAI updates GPT-4o in ChatGPT, moving its training data cutoff from November 2023 to June 2024 and improving its understanding of images.
0.68
AI2026/09/19@TechDesk
GPT-4o mini Released
OpenAI
开始于 2024/07/18 已确认可信度 90%2.2年前OpenAI's^[1][2] own model release notes date this entry July 18, 2024
OpenAI introduces GPT-4o mini, its most capable and cost-efficient small model, surpassing GPT-3.5 Turbo on academic benchmarks.
0.66
AI2026/09/19@TechDesk
GPT-4o 发布
OpenAI
开始于 2024/05/13 已确认可信度 89%2.4年前OpenAI^[1] 的 GPT-4o 发布博文，日期为 2024 年 5 月 13 日，并在其模型发布说明中链接。
OpenAI 发布旗舰模型 GPT-4o，可实时跨音频、视觉与文本进行推理，并将其设为 ChatGPT 的新默认模型。
0.66
科学2026/09/22@ScienceDesk
Euclid Releases the Foundation of Its First Data Release
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
开始于 2026/11/30预估可信度 72%68天后ESA's^[1][2] DR1 timeline page, updated 15 June 2026, gives DR1-Foundation as "November 2026" and the complete DR1 as mid-2027, and says exact release dates will be provided later. A month with no day is estimated at that month's last day, which puts this pin on 30 November 2026; it moves when ESA names the day.
The first stage of Euclid Data Release 1 puts out all raw data and calibrated images, catalogues and spectra over about 1,900 square degrees of sky. The higher-level products for galaxy clustering and weak lensing follow in mid-2027.
0.65
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.
0.65
AI2026/09/23@TechDesk
Google Commits €13 Billion to Finnish AI Data Centres
Google…Google Hamina data centre, Pilaritie, Petkele, Hamina, Kymenlaakso 49420, Finland
开始于 2026/09/09已确认可信度 85%14天前Google's post dated "Sep 09, 2026" says "Today, we're deepening that commitment with a €13 billion investment", and its press release carries the dateline September 9, 2026.^[1]
Google announced at least €13 billion for data centres in Hamina, Kajaani, Muhos and Vaala in 2027 and 2028, its largest single investment in Europe, with a 22-year nuclear power deal to extend the Loviisa plant.
€13B
0.65
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.
0.64
AI2026/09/19@TechDesk
GPT-5-Codex 登陆 Responses API
OpenAI
开始于 2025/09/23 已确认可信度 95%去年OpenAI^[1] 官方的模型发布说明将该条目标注为 2025 年 9 月 23 日
OpenAI 在 Codex 各入口之外，通过 Responses API 向开发者开放 GPT-5-Codex。
0.64
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.
0.64
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.
0.64
AI2026/09/23@TechDesk
Microsoft's Fairwater AI Datacenter in Wisconsin Becomes Fully Operational
Microsoft…Microsoft Fairwater AI Datacenter, Mount Pleasant, Racine County, Wisconsin, United States
开始于 2026/06/23已确认可信度 88%92天前Microsoft's^[1][4][5] press release dated June 23, 2026 says the company "on Tuesday announced that it has completed construction of its first datacenter facility in the Village of Mount Pleasant, after bringing equipment online and conducting startup activities in April. The facility is now fully operational."
Microsoft's first datacenter in Mount Pleasant, Wisconsin, a single cluster of NVIDIA GB200 servers it calls the world's most powerful AI supercomputer, is fully operational after its equipment came online in April.
$3.3B
0.64
AI2026/09/19@TechDesk
GPT-4o Update Rolls Out in ChatGPT
OpenAI
开始于 2024/08/12 已确认可信度 95%2.1年前OpenAI's^[1] own model release notes date this entry August 12, 2024
OpenAI ships a GPT-4o update in ChatGPT that users preferred in experiments, while saying it is not a new frontier-class model.
0.63

ESA's^[1][2] own Gaia Data Release 4 page states the date as a commitment - "Coming up: 2 December 2026" - and says the release-day stories summarising the data products will be published on the day itself. A release date set by the agency that owns the archive is scheduled, not estimated, though data releases have slipped before.

开始: 2026年12月2日可信度 75%来自来源

Gaia Data Release 4 Opens to the World

ESA publishes the fourth Gaia data release, the mission's first principal release, covering the first 5.5 years of observations. It adds astrometric time series, an exoplanet list and the software to work with them.

ESA plans Gaia Data Release 4 for 2 December 2026, the mission's first principal data release^[1]
It covers the data collected in the first 5.5 years of observations^[1]
Products include astrometric time series - some pre-released so the community could prepare - a data model of tables and columns, auxiliary data such as passbands and exoplanet lists, and software accompanying certain products^[1]
Stories summarising the many data products are to be published on the release day itself^[1]

@ScienceDesk

参考资料 3可信度 80%

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]75%
cosmos.esa.int/web/gaia/data-release-4
cosmos.esa.int· 发布于 2026年9月22日· 开始 2026年12月2日 ✓· 占评分 33%
ESA's^[2] own Gaia Data Release 4 page states the date as a commitment - "Coming up: 2 December 2026" - and says the release-day stories summarising the data products will be published on the day itself. A release date set by the agency that owns the archive is scheduled, not estimated, though data releases have slipped before.
[2]85%
Gaia | European Space Agency
esa.int· 添加于 2026年9月22日· 占评分 33%
ESA's^[1] mission page for Gaia, for what the spacecraft does and what its catalogue is for; the agency's own standing description rather than a dated announcement.
[3]80%
Gaia (spacecraft)
en.wikipedia.org· 添加于 2026年9月22日· 占评分 33%
Background on the mission, its survey and the sequence of earlier data releases that DR4 follows.^[1]

建议更正

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1Gaia Data Release 4 Opens to the World

AI2026/09/19@TechDesk
GPT-4o Update Extends Knowledge to June 2024
OpenAI
开始于 2025/01/29 已确认可信度 95%1.7年前OpenAI's^[1] own model release notes date this entry January 29, 2025
OpenAI updates GPT-4o in ChatGPT, moving its training data cutoff from November 2023 to June 2024 and improving its understanding of images.
0.68
AI2026/09/19@TechDesk
GPT-4o mini Released
OpenAI
开始于 2024/07/18 已确认可信度 90%2.2年前OpenAI's^[1][2] own model release notes date this entry July 18, 2024
OpenAI introduces GPT-4o mini, its most capable and cost-efficient small model, surpassing GPT-3.5 Turbo on academic benchmarks.
0.66
AI2026/09/19@TechDesk
GPT-4o 发布
OpenAI
开始于 2024/05/13 已确认可信度 89%2.4年前OpenAI^[1] 的 GPT-4o 发布博文，日期为 2024 年 5 月 13 日，并在其模型发布说明中链接。
OpenAI 发布旗舰模型 GPT-4o，可实时跨音频、视觉与文本进行推理，并将其设为 ChatGPT 的新默认模型。
0.66
科学2026/09/22@ScienceDesk
Euclid Releases the Foundation of Its First Data Release
European Space Astronomy Centre, Camino Bajo del Castillo, Sexmo de Casarrubios, El Castillo, Comunidad de Ciudad y Tierra de Segovia, Villanueva de la Cañada, Community of Madrid, 28692, SpainEuropean Space Agency
开始于 2026/11/30预估可信度 72%68天后ESA's^[1][2] DR1 timeline page, updated 15 June 2026, gives DR1-Foundation as "November 2026" and the complete DR1 as mid-2027, and says exact release dates will be provided later. A month with no day is estimated at that month's last day, which puts this pin on 30 November 2026; it moves when ESA names the day.
The first stage of Euclid Data Release 1 puts out all raw data and calibrated images, catalogues and spectra over about 1,900 square degrees of sky. The higher-level products for galaxy clustering and weak lensing follow in mid-2027.
0.65
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.
0.65
AI2026/09/23@TechDesk
Google Commits €13 Billion to Finnish AI Data Centres
Google…Google Hamina data centre, Pilaritie, Petkele, Hamina, Kymenlaakso 49420, Finland
开始于 2026/09/09已确认可信度 85%14天前Google's post dated "Sep 09, 2026" says "Today, we're deepening that commitment with a €13 billion investment", and its press release carries the dateline September 9, 2026.^[1]
Google announced at least €13 billion for data centres in Hamina, Kajaani, Muhos and Vaala in 2027 and 2028, its largest single investment in Europe, with a 22-year nuclear power deal to extend the Loviisa plant.
€13B
0.65
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.
0.64
AI2026/09/19@TechDesk
GPT-5-Codex 登陆 Responses API
OpenAI
开始于 2025/09/23 已确认可信度 95%去年OpenAI^[1] 官方的模型发布说明将该条目标注为 2025 年 9 月 23 日
OpenAI 在 Codex 各入口之外，通过 Responses API 向开发者开放 GPT-5-Codex。
0.64
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.
0.64
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.
0.64
AI2026/09/23@TechDesk
Microsoft's Fairwater AI Datacenter in Wisconsin Becomes Fully Operational
Microsoft…Microsoft Fairwater AI Datacenter, Mount Pleasant, Racine County, Wisconsin, United States
开始于 2026/06/23已确认可信度 88%92天前Microsoft's^[1][4][5] press release dated June 23, 2026 says the company "on Tuesday announced that it has completed construction of its first datacenter facility in the Village of Mount Pleasant, after bringing equipment online and conducting startup activities in April. The facility is now fully operational."
Microsoft's first datacenter in Mount Pleasant, Wisconsin, a single cluster of NVIDIA GB200 servers it calls the world's most powerful AI supercomputer, is fully operational after its equipment came online in April.
$3.3B
0.64
AI2026/09/19@TechDesk
GPT-4o Update Rolls Out in ChatGPT
OpenAI
开始于 2024/08/12 已确认可信度 95%2.1年前OpenAI's^[1] own model release notes date this entry August 12, 2024
OpenAI ships a GPT-4o update in ChatGPT that users preferred in experiments, while saying it is not a new frontier-class model.
0.63

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参考资料 3可信度 80%

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