At the end of 2022, OpenAI introduced ChatGPT and opened up an easy-to-access interface to big language models (LLMs) for the first time. The uptake was stratospheric.

Given that the explosive launch, ChatGPT hasn’t revealed indicators of reducing in developing new attributes or keeping worldwide individual interest. As of September 2025, ChatGPT now has a reported 700 million regular active customers and thousands of plugins.

The following is a timeline of all essential occasions since the launch approximately October 2025

History Of ChatGPT: A Timeline Of Dope

June 16, 2016– OpenAI published research on generative models, trained by gathering a huge quantity of information in a details domain name, such as images, sentences, or seems, and then showing the design to generate comparable information. ( OpenAI

Sept. 19, 2019 — OpenAI published study on fine-tuning the GPT- 2 language version with human choices and responses. ( OpenAI

Jan. 27, 2022 — OpenAI released study on InstructGPT versions, siblings of ChatGPT, that show improved instruction-following capability, decreased fabrication of truths, and lowered poisonous outcome. ( OpenAI

Nov. 30, 2022 — OpenAI presented ChatGPT utilizing GPT -3 5 as a component of a cost-free research study sneak peek. ( OpenAI

Feb. 1, 2023 — OpenAI introduced ChatGPT And also , a premium membership alternative for ChatGPT users supplying less downtime and access to brand-new functions.

Feb. 2, 2023– ChatGPT reached 100 million customers faster than TikTok, that made the turning point in 9 months, and Instagram, that made it in two and a half years. ( Reuters

Feb. 7, 2023– Microsoft announced ChatGPT-powered functions were pertaining to Bing

Feb. 22, 2023– Microsoft released AI-powered Bing conversation for sneak peek on mobile.

March 1, 2023– OpenAI presented the ChatGPT API for programmers to incorporate ChatGPT functionality in their applications. Early adopters included Snapchat’s My AI , Quizlet Q-Chat, Instacart, and Store by Shopify.

March 14, 2023 — OpenAI launches GPT- 4 in ChatGPT and Bing, which promises far better reliability, imagination, and analytical skills.

March 14, 2023– Anthropic released Claude , its ChatGPT option.

March 20, 2023– A significant ChatGPT outage impacts all individuals for a number of hours.

March 21, 2023– Google released Poet , its ChatGPT choice. (Rebranded to Gemini in February 2024)

March 23, 2023– OpenAI began rolling out ChatGPT plugin support , including Browsing and Code Interpreter.

March 31, 2023– Italy banned ChatGPT for gathering personal information and lacking age verification during registration for a system that can generate hazardous content.

April 25, 2023– OpenAI included new ChatGPT information controls that permit users to select which conversations OpenAI includes in training data for future GPT designs.

April 28, 2023– The Italian Garante launched a statement that OpenAI met its demands which the ChatGPT solution can return to in Italy

April 29, 2023 — OpenAI launched ChatGPT plugins, GPT- 3 5 with browsing, and GPT- 4 with surfing in ALPHA.

May 12, 2023 — ChatGPT Plus users can currently access over 200 ChatGPT plugins ( Open AI

May 16, 2023– OpenAI chief executive officer Sam Altman shows up in an Us senate subcommittee hearing on the Oversight of AI , where he talks about the requirement for AI policy that does not slow advancement.

May 18, 2023– OpenAI released the ChatGPT iOS application , permitting users to accessibility GPT- 3 5 totally free. ChatGPT And also customers can switch in between GPT- 3 5 and GPT- 4

May 23, 2023 — Microsoft revealed that Bing would power ChatGPT web surfing

May 24, 2023– Church bench Research Center released information from a ChatGPT use study revealing that just 59 % of American grownups find out about ChatGPT, while only 14 % have actually attempted it.

May 25, 2023– OpenAI, Inc. introduced a program to award 10 $ 100, 000 grants to researchers to develop a democratic system for determining AI policies. ( OpenAI

July 3, 2023– ChatGPT’s eruptive growth reveals a decline in web traffic for the first time since launch. ( Similarweb

July 20, 2023– OpenAI presented personalized guidelines for ChatGPT, permitting users to personalize their interaction experience. ( OpenAI

Aug. 28, 2023– OpenAI launched ChatGPT Business, calling it “the most powerful version of ChatGPT yet.” Benefits included enterprise-level security and unlimited usage of GPT- 4 ( OpenAI

Nov. 6, 2023– OpenAI introduced the arrival of custom GPTs, which enabled customers to develop their very own personalized GPT variations using particular skills, understanding, etc ( OpenAI

Jan. 10, 2024– With the launch of the GPT Shop, ChatGPT individuals might uncover and make use of other individuals’s custom-made GPTs. On this day, OpenAI additionally presented ChatGPT Team , a collaborative device for the work space. ( OpenAI

Jan. 25, 2024– OpenAI launched brand-new embedding versions: the text-embedding- 3 -small version, and a larger and a lot more effective text-embedding- 3 -huge design. ( OpenAI

Feb. 8, 2024– Google’s Bard rebranded to Gemini ( Google– Gemini launch notes

April 9, 2024– OpenAI revealed that it would cease ChatGPT plugins for customized GPTs. ( Open Up AI Area Forum

May 13, 2024– A big day for OpenAI, when the firm presented the GPT- 4 o version, offering boosted knowledge and added functions absolutely free individuals. ( OpenAI

July 25, 2024– OpenAI introduced SearchGPT, an AI-powered search prototype developed to respond to user inquiries with direct responses. Update: Aspects from this prototype were rolled into ChatGPT and provided to all areas on Feb. 5, 2025( OpenAI )

Aug. 29, 2024 — ChatGPT reaches 200 million once a week energetic individuals.( Reuters )

Sept. 12, 2024– OpenAI introduced the GPT o 1 model, which it declares”can reason like a human.”

Oct. 31, 2024 — OpenAI reveals ChatGPT Look. It appeared to logged-in users starting Dec. 16, 2024, and on Feb. 5, 2025, it was presented to be readily available for all ChatGPT individuals wherever ChatGPT is offered.( OpenAI

Jan. 31, 2025– OpenAI launches o 3-mini(smaller reasoning design; initially in the o 3 household).( Open AI

April 16, 2025– OpenAI introduces o 3 and o 4-mini(quickly, inexpensive thinking; strong AIME efficiency).( OpenAI

June 10, 2025– o 3-pro is provided to Pro users in both ChatGPT and API.( OpenAI

Aug. 4, 2025– ChatGPT approached 700 million weekly active users.

Sept. 15, 2025– A New OpenAI research discloses that it got to 700 million once a week energetic users and how they make use of ChatGPT.( OpenAI

Last update: October 01, 2025

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