OpenAI (AI company)OpenAIOpenAIofficially / formallyzhèngshì正式to take offline / to retirexiàxiàn下线ChatGPT (AI chatbot)ChatGPTChatGPTin / withinzhōng de中的GPT-4.5 (AI model)GPT-4.5GPT-4.5modelmóxíng模型。
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
yú
于
June 27
6 yuè 27 rì
6月27日
officially / formally
zhèngshì
正式
(disposal marker)
jiāng
将
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
from
cóng
从
ChatGPT (AI chatbot)
ChatGPT
ChatGPT
to take offline / to retire
xiàxiàn
下线
users
yònghù
用户
can / may
kě
可
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
yú
于
June 27
6 yuè 27 rì
6月27日
officially
zhèngshì
正式
(disposal marker)
jiāng
将
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
from
cóng
从
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
在
ChatGPT
ChatGPT
ChatGPT
on / within
shàng
上
run / operate
yùnxíng
运行
(completion particle)
le
了
a long
hěn cháng
很长
time / period
shíjiān
时间
OpenAI
OpenAI
OpenAI
in / at
zài
在
May
5 yuè
5月
announced
xuānbù
宣布
(completion particle)
le
了
this
zhège
这个
plan
jìhuà
计划
gave / for
gěi
给
users
yònghù
用户
30 days
30 tiān
30天
(structural particle)
de
的
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
用
GPT-5.5 (AI model)
GPT-5.5
GPT-5.5
to continue
jìxù
继续
previous / before
yǐqián
以前
(structural particle)
de
的
conversations / chats
duìhuà
对话
however / but
búguò
不过
GPT-4.5 (AI model)
GPT-4.5
GPT-4.5
in / via
zài
在
API (application programming interface)
API
API
on / through
shàng
上
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
还
plans to
jìhuà
计划
on / at
yú
于
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 & TechnologyOpenAI 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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Apple (company)Píngguǒ苹果to file a lawsuit / to sueqǐsù起诉OpenAI (AI company)OpenAIOpenAI，to accuse / to chargezhǐkòng指控it / the company (formal)qí其to steal / to misappropriateqièqǔ窃取hardwareyìngjiàn硬件trade secrets / confidential business informationshāngyè jīmì商业机密。
Apple (company)
Píngguǒ
苹果
to file a lawsuit / to sue
qǐsù
起诉
OpenAI (AI company)
OpenAI
OpenAI
to accuse / to charge
zhǐkòng
指控
it / the company (formal)
qí
其
to steal / to misappropriate
qièqǔ
窃取
hardware
yìngjiàn
硬件
trade secrets / confidential business information
shāngyè jīmì
商业机密
Apple Sues OpenAI Alleging Hardware Trade Secret Theft
Tencent (tech company)Téngxùn腾讯inzài在WeChat (messaging app)Wēixìn微信to launch / roll outtuīchū推出artificial intelligenceréngōng zhìnéng人工智能assistantzhùshǒu助手Xiaowei (AI assistant name)Xiǎowēi小微。
Tencent (tech company)
Téngxùn
腾讯
in
zài
在
WeChat (messaging app)
Wēixìn
微信
to launch / roll out
tuīchū
推出
artificial intelligence
réngōng zhìnéng
人工智能
assistant
zhùshǒu
助手
Xiaowei (AI assistant name)
Xiǎowēi
小微
Tencent Begins Rolling Out AI Agent Xiaowei to WeChat Users