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technology
kē jì
科技
·HSK 2

OpenAI (AI company)
OpenAI
OpenAI
officially / formally
zhèngshì
正式
to take offline / to retire
xiàxiàn
下线
ChatGPT (AI chatbot)
ChatGPT
ChatGPT
in / within
zhōng de
中的
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
model
móxíng
模型

OpenAI (AI company)
OpenAI
OpenAI
on / at
June 27
6 yuè 27 rì
6月27日
officially / formally
zhèngshì
正式
(disposal marker)
jiāng
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
from
cóng
ChatGPT (AI chatbot)
ChatGPT
ChatGPT
to take offline / to retire
xiàxiàn
下线
users
yònghù
用户
can / may
to switch to / to use instead
zhuǎn yòng
转用
newer / more recent
gèng xīn de
更新的
GPT-5.5 (AI model)
GPT-5.5
GPT-5.5

June 28, 2026 at 7:00 AM

OpenAI (AI company)
OpenAI
OpenAI
on / at
June 27
6 yuè 27 rì
6月27日
officially
zhèngshì
正式
(disposal marker)
jiāng
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
from
cóng
ChatGPT (AI chatbot)
ChatGPT
ChatGPT
to take offline / to retire
xiàxiàn
下线
this
zhège
这个
model
móxíng
模型
already
yǐjīng
已经
in / on
zài
ChatGPT
ChatGPT
ChatGPT
on / within
shàng
run / operate
yùnxíng
运行
(completion particle)
le
a long
hěn cháng
很长
time / period
shíjiān
时间
OpenAI
OpenAI
OpenAI
in / at
zài
May
5 yuè
5月
announced
xuānbù
宣布
(completion particle)
le
this
zhège
这个
plan
jìhuà
计划
gave / for
gěi
users
yònghù
用户
30 days
30 tiān
30天
(structural particle)
de
preparation / notice
zhǔnbèi
准备
time
shíjiān
时间
now / currently
xiànzài
现在
users
yònghù
用户
can / may
kěyǐ
可以
to use
yòng
GPT-5.5 (AI model)
GPT-5.5
GPT-5.5
to continue
jìxù
继续
previous / before
yǐqián
以前
(structural particle)
de
conversations / chats
duìhuà
对话
however / but
búguò
不过
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
in / via
zài
API (application programming interface)
API
API
on / through
shàng
still / continues to
réngránn
仍然
can / be able to
kěyǐ
可以
to use / to access
shǐyòng
使用
OpenAI
OpenAI
OpenAI
also / additionally
hái
plans to
jìhuà
计划
on / at
August
8 yuè
8月
to retire / to take offline
xiàxiàn
下线
another
lìng yī gè
另一个
model
móxíng
模型
o3 (AI model name)
o3
o3

News in English

Science & Technology

OpenAI Officially Retires GPT-4.5 From ChatGPT

OpenAI officially retired GPT-4.5 from ChatGPT on June 27. Users can continue with GPT-5.5, though GPT-4.5 remains available via the API.

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róngyao
荣耀
launches
tuīchū
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robot
jīqìrén
机器人
smartphone
shǒujī
手机
equipped with
pèizhì
配置
motorized
diàndòng
电动
gimbal
yúntái
云台
camera
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guóchǎn
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surge
biāoshēng
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500 percent
wǔbǎi percent
500%
become
chéng
domestic
guónèi
国内
market value
shìzhí
市值
highest
zuìgāo
最高
stock
gǔpiào
股票

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United States / American
Měiguó
美国
space agency / NASA
yǔháng jú
宇航局
to find / to discover
zhǎodào
找到
new
xīn
method / way
fāngfǎ
方法
to extend / to prolong
yáncháng
延长
Voyager 2 (spacecraft)
Lǚxíngzhě 2 hào
旅行者2号
to use / operation
shǐyòng
使用
lifespan / service life
shòumìng
寿命

NASA Engineers Find New Way to Extend Voyager 2 Mission After 49 Years in Space

global / worldwide
quánqiú
全球
semiconductor
bàndǎotǐ
半导体
second quarter / Q2
dì-èr jìdù
第二季度
sales revenue
xiāoshòué
销售额
to set (a record)
chuàng
all-time record high
lìshǐ xīngāo
历史新高

Global Semiconductor Sales Hit Record 403 Billion Dollars in Q2 2026