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ChatGPT

ChatGPT

Chat GPT, Chat Generative Pre-trained Transformer, Chat.openai.com/chat, GPTChat, Chatbot GPT

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Who is this?

ChatGPT is a generative artificial intelligence chatbot developed by OpenAI. Originally released in November 2022, the product uses large language models—specifically generative pre-trained transformers (GPTs)—to generate text, speech, and images in response to user prompts. ChatGPT accelerated the AI boom, an ongoing period marked by rapid investment and public attention toward the field of artificial intelligence (AI). OpenAI operates the service on a freemium model. Users can interact with ChatGPT through text, audio, and image prompts. ChatGPT was quickly adopted, reaching 100 million monthly active users two months after its release and 900 million weekly active users in February 2026. It has been lauded for its potential to transform numerous professional fields, and has instigated public debate about the nature of creativity and the future of knowledge work. The chatbot has also been criticized for its limitations and potential for unethical use. It can generate plausible-sounding but incorrect or nonsensical answers, known as hallucinations. Biases in its training data have been reflected in its responses. The chatbot can facilitate academic dishonesty, generate misinformation, and create malicious code. The ethics of its development, particularly the use of copyrighted content as training data, have also drawn controversy.

What happened recently

News4h ago

Wyndham Launches Native ChatGPT App - PR Newswire Wyndham Launches Native ChatGPT App  PR Newswire

News7h ago

When ChatGPT Learned I Have Cancer, It Started Treating Me Differently. I Wish It Hadn’t. - Slate When ChatGPT Learned I Have Cancer, It Started Treating Me Differently. I Wish It Hadn’t.  Slate

News9h ago

OpenAI releases GPT-5.5 Instant - OSCHINA - Open Source × AI · Developer Ecological Community - OSCHINA OpenAI releases GPT-5.5 Instant - OSCHINA - Open Source × AI · Developer Ecological Community OSCHINA

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News10h ago

OpenAI unveils basic ChatGPT model 'GPT-5.5 Instant'... Reduces hallucinations and enhances personalization functions - DevTimes OpenAI unveils basic ChatGPT model 'GPT-5.5 Instant'... Reduces hallucinations and enhances personalization functions DevTimes

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News11h ago

Just now, ChatGPT free model has been upgraded: hallucinations cut in half/memory stronger/answers more concise - Chuangye.com Just now, the ChatGPT free model has been upgraded: hallucinations cut in half/memory stronger/answers more concise. Chuangye.com

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News11h ago

ChatGPT launches new advertising business: adds CPC payment model and launches self-service advertising tool - cross-border e-commerce - Yibang Power Network ChatGPT launches new advertising business: adds CPC payment model and launches self-service advertising tool - Cross-border e-commerce Yibang Power Network

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News11h ago

OpenAI officially opens ChatGPT advertising platform to enterprises with a minimum investment threshold of US$50,000 - Huxiu OpenAI officially opens ChatGPT advertising platform to enterprises with a minimum investment threshold of US$50,000 Huxiu

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News13h ago

[Daily View of AI] OpenAI releases GPT-5.5 Instant; it is revealed that Siri will launch an independent App to benchmark ChatGPT; the price of Doubao paid subscription is exposed, and the official response: Free services are always provided - Electronic Engineering Album [Daily View of AI] OpenAI releases GPT-5.5 Instant; it is revealed that Siri will launch an independent App to benchmark ChatGPT; Doubao paid subscription price is exposed, official response: free services are always provided Electronic Engineering Album

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News13h ago

Apple's iOS 27 major autumn upgrade is officially announced, fully releasing third-party AI model independent switching permissions and saying goodbye to single ChatGPT binding - Sohu Apple’s iOS 27 autumn major upgrade is officially announced, fully releasing third-party AI model independent switching permissions, saying goodbye to single ChatGPT binding Sohu

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News14h ago

Sudden! ChatGPT secretly upgraded: hallucination rate dropped by 52% - Lei Technology Sudden! ChatGPT secretly upgraded: hallucination rate dropped by 52% Lei Technology

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News14h ago

OpenAI releases GPT-5.5 Instant model, which has become the default model of ChatGPT - Pinwan OpenAI releases GPT-5.5 Instant model, which has become ChatGPT default model Pinwan

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News14h ago

Mask's AI "Grok" will start losing users in 2026 - the gap with ChatGPT and Claude will widen - Forbes JAPAN Mask's AI "Grok" has fewer users in 2026 ─ the gap with ChatGPT and Claude is widening Forbes JAPAN

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News15h ago

Just now, GPT-5.5 Instant is free for all members! Hundreds of millions of people’s ChatGPT has changed - Sohu Just now, GPT-5.5 Instant is free for all members! Hundreds of millions of people’s ChatGPT has changed Sohu

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News15h ago

A male university student who lives alone → ChatGPT made a dinner called ``Yumegaeshi Gozen''...and the final product turned out to be ``It's really cool and makes me laugh'' - Nico Nico News A male college student who lives alone → ChatGPT made a dinner called ``Yumegaeshi Gozen''... and the finished product was ``It's really cool and makes me laugh Nico Nico News

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News15h ago

Just now, ChatGPT default model has been upgraded: 30% less nonsense - Sohu Just now, ChatGPT default model has been upgraded: 30% less nonsense Sohu

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News15h ago

ChatGPT・Claude lies and says he's "too kind"? Oxford University Nature paper reveals AI followability - innovaTopia ChatGPT・Claude lies and says he's "too kind"? Oxford University Nature paper reveals AI followability innovaTopia

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News15h ago

ChatGPT free model upgraded: hallucinations cut in half/memory stronger/answers more concise - ifeng.com ChatGPT free model upgraded: illusion cut in half/memory stronger/answers more concise ifeng.com

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News15h ago

ChatGPT tops US Apple Store as GPT-5.5 Instant boosts downloads - Crypto Briefing ChatGPT tops US Apple Store as GPT-5.5 Instant boosts downloads  Crypto Briefing

News16h ago

OpenAI completely replaces ChatGPT basic model with ‘GPT-5.5 Instant’… Hallucinations reduced by 52.5% - AI Matters OpenAI completely replaces ChatGPT basic model with ‘GPT-5.5 Instant’… Hallucinations reduced by 52.5% AI Matters

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News16h ago

OpenAI Launches Self-Serve Ads Manager for ChatGPT - Search Engine Journal OpenAI Launches Self-Serve Ads Manager for ChatGPT  Search Engine Journal

News16h ago

Four new features of Apple Intelligence that may be implemented in "iOS 27" revealed - Not only ChatGPT but also Claude and Gemini can be selected - Interesting, interesting... Four new features of Apple Intelligence that may be implemented in "iOS 27" revealed - Not only ChatGPT but also Claude and Gemini can be selected Interesting and writing...

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News16h ago

Say goodbye to “nonsense literature” and AI illusions! GPT-5.5 Instant is pushed in full, and ChatGPT default model is upgraded - NetEase News Client Say goodbye to “nonsense literature” and AI illusions! GPT-5.5 Instant is pushed in full, ChatGPT default model upgrade NetEase News Client

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News16h ago

OpenAI's new GPT-5.5 Instant makes ChatGPT smarter, with more concise and reliable responses - SiliconANGLE OpenAI's new GPT-5.5 Instant makes ChatGPT smarter, with more concise and reliable responses  SiliconANGLE

News16h ago

Latest information about ChatGPT smartphones. - Vietnam.vn Latest information about ChatGPT smartphones.​ Vietnam.vn

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News16h ago

ChatGPT default model is upgraded to GPT-5.5 Instant, reducing hallucinations by up to 52.5% - ifeng.com ChatGPT default model upgraded to GPT-5.5 Instant, hallucinations reduced by up to 52.5% ifeng.com

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News16h ago

The latest news about ChatGPT smartphones. - Vietnam.vn The latest news about ChatGPT smartphones.  Vietnam.vn

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News17h ago

OpenAI upgrades ChatGPT default model to GPT-5.5 Instant - DoNews OpenAI upgrades ChatGPT default model to GPT-5.5 Instant DoNews

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News18h ago

Apple may open third-party AI models in iOS 27, including ChatGPT - Sohu Apple may open third-party AI models in iOS 27, including ChatGPT Sohu

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News18h ago

OpenAI announces GPT-5.5 Instant: New default model for ChatGPT with 52.5% fewer incorrect answers - XenoSpectrum OpenAI announces GPT-5.5 Instant: New default model for ChatGPT with 52.5% fewer incorrect answers XenoSpectrum

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News18h ago

Signs of change in the era of ChatGPT being the strongest. Will it be possible to switch Apple Intelligence's AI to Claude or Gemini in iOS 27? - Gorimy Signs of change in the era of ChatGPT being the strongest. Will it be possible to switch Apple Intelligence's AI to Claude or Gemini in iOS 27? Gorimy

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News18h ago

OpenAI, ChatGPT's new default model "GPT-5.5 Instant" allows users to check and manage the basis of answers (ITmedia NEWS) - Yahoo! News OpenAI's new default model for ChatGPT "GPT-5.5 Instant" allows users to check and manage the basis of answers (ITmedia NEWS) Yahoo! News

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News18h ago

OpenAI launches GPT-5.5 Instant: more reliable, smarter, and open to all users|ChatGPT|Model|Personalization|Upgrade|Memory_Sina Mobile - Sina Finance OpenAI launches GPT-5.5 Instant: more reliable, smarter, and open to all users|ChatGPT|Model|Personalization|Upgrade|Memory_Sina Mobile Sina Finance

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News18h ago

OpenAI's new default model for ChatGPT "GPT-5.5 Instant" allows users to check and manage the basis of answers - ITmedia OpenAI's new default model for ChatGPT "GPT-5.5 Instant" allows users to check and manage the basis of answers ITmedia ChatGPT, new default model “GPT-5.5 Instant” with improved “accuracy” (Impress Watch) Yahoo! News ChatGPT revamps standard model to "GPT-5.5 Instant" Reduces wrong answers and enhances personalization d Menu News

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News18h ago

Inside OpenAI's quirky launch party that ChatGPT 5.5 planned itself - Business Insider Inside OpenAI's quirky launch party that ChatGPT 5.5 planned itself  Business Insider

News19h ago

If You Plan to Get an iPhone in the Fall, Don’t Get Too Attached to ChatGPT - Gizmodo If You Plan to Get an iPhone in the Fall, Don’t Get Too Attached to ChatGPT  Gizmodo

News19h ago

OpenAI Opens ChatGPT Ads to Self-Service Platform - ADWEEK OpenAI Opens ChatGPT Ads to Self-Service Platform  ADWEEK

News19h ago

OpenAI rolls out ChatGPT 5.5 Instant as the new default model for everyone - Mashable OpenAI rolls out ChatGPT 5.5 Instant as the new default model for everyone  Mashable

News20h ago

Sudden! ChatGPT is directly connected to OpenClaw. Is OpenAI really going to be “Open”? - Entrepreneurship State Sudden! ChatGPT is directly connected to OpenClaw. Is OpenAI really going to be “Open”? Entrepreneurship State

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News21h ago

ChatGPT’s impact on Bay Area luxury home prices - RealEstateNews.com ChatGPT’s impact on Bay Area luxury home prices  RealEstateNews.com

News21h ago

Three-Way AI Race Emerges as ChatGPT Loses Early Lead Among Readers - The Information Three-Way AI Race Emerges as ChatGPT Loses Early Lead Among Readers  The Information

News22h ago

Criteo Stock Rises on Expanded ChatGPT Advertising Partnership - Investing.com Criteo stock rises as ChatGPT advertising partnership expands Investing.com

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News22h ago

Criteo's stock price rises 3% as ChatGPT advertising partnership expands Written by - Investing.com - FX | Stock Market | Finance | Financial News Criteo's stock price rises 3% as ChatGPT advertising partnership expands Written by Investing.com - FX | Stock Market | Finance | Financial News

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News22h ago

StackAdapt Announces AI-Powered Marketing Capabilities Through Ads in ChatGPT Pilot - Business Wire StackAdapt Announces AI-Powered Marketing Capabilities Through Ads in ChatGPT Pilot  Business Wire

News22h ago

OpenAI opens up ChatGPT ads manager to the U.S. while promising third-party measurement, CPA bidding - Digiday OpenAI opens up ChatGPT ads manager to the U.S. while promising third-party measurement, CPA bidding  Digiday

News22h ago

ChatGPT gets more personal by default - Axios ChatGPT gets more personal by default  Axios

News23h ago

OpenAI: GPT-5.5 Instant rolls out to all ChatGPT users starting today - Sohu OpenAI: GPT-5.5 Instant rolls out to all ChatGPT users starting today Sohu

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News23h ago

Should you ask ChatGPT for medical advice? - Harvard Gazette Should you ask ChatGPT for medical advice?  Harvard Gazette

News23h ago

Adobe and OpenAI enable ad integrations directly in ChatGPT - Adobe for Business Adobe and OpenAI enable ad integrations directly in ChatGPT  Adobe for Business

News23h ago

OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT - TechCrunch OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT  TechCrunch ChatGPT gets more personal by default  Axios ChatGPT's New Default Model Is More Factual And Better At Personalization  Engadget

News1d ago

More and more people are saying, “I can’t travel without ChatGPT.” - Vietnam.vn More and more people are saying, “I can’t travel without ChatGPT.”  Vietnam.vn

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