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

Because the explosive launch, ChatGPT hasn’t revealed indicators of slowing down in developing new functions or preserving around the world user rate of interest. Since September 2025, ChatGPT now has a reported 700 million regular active users and hundreds of plugins.

The following is a timeline of all vital occasions since the launch up to October 2025

History Of ChatGPT: A Timeline Of Dope

June 16, 2016– OpenAI published study on generative designs, educated by accumulating a large quantity of data in a specific domain name, such as pictures, sentences, or sounds, and then teaching the version to create similar information. ( OpenAI

Sept. 19, 2019 — OpenAI released research on fine-tuning the GPT- 2 language model with human choices and comments. ( OpenAI

Jan. 27, 2022 — OpenAI released research on InstructGPT designs, brother or sisters of ChatGPT, that show boosted instruction-following capability, lowered construction of facts, and reduced harmful result. ( OpenAI

Nov. 30, 2022 — OpenAI introduced ChatGPT making use of GPT -3 5 as a part of a complimentary study preview. ( OpenAI

Feb. 1, 2023 — OpenAI introduced ChatGPT Plus , a costs registration choice for ChatGPT individuals supplying less downtime and accessibility to new functions.

Feb. 2, 2023– ChatGPT reached 100 million individuals quicker than TikTok, which made the milestone in 9 months, and Instagram, which made it in two and a fifty percent years. ( Reuters

Feb. 7, 2023– Microsoft introduced ChatGPT-powered functions were coming to Bing

Feb. 22, 2023– Microsoft launched AI-powered Bing chat for preview on mobile.

March 1, 2023– OpenAI introduced the ChatGPT API for designers to integrate ChatGPT capability in their applications. Early adopters consisted of Snapchat’s My AI , Quizlet Q-Chat, Instacart, and Shop by Shopify.

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

March 14, 2023– Anthropic introduced Claude , its ChatGPT choice.

March 20, 2023– A major ChatGPT blackout influences all individuals for numerous hours.

March 21, 2023– Google launched Bard , its ChatGPT alternative. (Rebranded to Gemini in February 2024)

March 23, 2023– OpenAI started presenting ChatGPT plugin support , consisting of Surfing and Code Interpreter.

March 31, 2023– Italy outlawed ChatGPT for accumulating individual data and lacking age confirmation during registration for a system that can produce damaging content.

April 25, 2023– OpenAI added brand-new ChatGPT data controls that permit individuals to pick which conversations OpenAI consists of in training data for future GPT models.

April 28, 2023– The Italian Garante released a declaration that OpenAI fulfilled its needs and that the ChatGPT solution could return to in Italy

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

May 12, 2023 — ChatGPT And also individuals can now access over 200 ChatGPT plugins ( Open up AI

May 16, 2023– OpenAI chief executive officer Sam Altman shows up in a Senate subcommittee hearing on the Oversight of AI , where he reviews the requirement for AI guideline that doesn’t slow-moving advancement.

May 18, 2023– OpenAI released the ChatGPT iphone app , enabling individuals to access GPT- 3 5 completely free. ChatGPT And also users can change between GPT- 3 5 and GPT- 4

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

May 24, 2023– Seat Research Center released data from a ChatGPT usage study revealing that just 59 % of American adults find out about ChatGPT, while just 14 % have tried it.

May 25, 2023– OpenAI, Inc. launched a program to honor ten $ 100, 000 grants to researchers to establish a democratic system for determining AI policies. ( OpenAI

July 3, 2023– ChatGPT’s eruptive growth reveals a decrease in traffic for the very first time given that launch. ( Similarweb

July 20, 2023– OpenAI presented custom instructions for ChatGPT, permitting customers to personalize their communication experience. ( OpenAI

Aug. 28, 2023– OpenAI introduced ChatGPT Enterprise, calling it “one of the most powerful version of ChatGPT yet.” Advantages included enterprise-level safety and unrestricted use of GPT- 4 ( OpenAI

Nov. 6, 2023– OpenAI introduced the arrival of custom-made GPTs, which enabled users to develop their very own personalized GPT variations using particular skills, knowledge, and so on ( OpenAI

Jan. 10, 2024– With the launch of the GPT Store, ChatGPT customers can find and utilize other individuals’s custom-made GPTs. On this particular day, OpenAI additionally presented ChatGPT Team , a collective device for the work area. ( OpenAI

Jan. 25, 2024– OpenAI released brand-new embedding designs: the text-embedding- 3 -small model, and a bigger and a lot more effective text-embedding- 3 -huge design. ( OpenAI

Feb. 8, 2024– Google’s Poet rebranded to Gemini ( Google– Gemini release keeps in mind

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

May 13, 2024– A special day for OpenAI, when the firm presented the GPT- 4 o version, offering enhanced intelligence and additional functions for free customers. ( OpenAI

July 25, 2024– OpenAI introduced SearchGPT, an AI-powered search prototype created to address individual inquiries with straight answers. Update: Aspects from this prototype were rolled right into ChatGPT and offered to all regions on Feb. 5, 2025( OpenAI )

Aug. 29, 2024 — ChatGPT reaches 200 million weekly active individuals.( Reuters )

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

Oct. 31, 2024 — OpenAI introduces ChatGPT Browse. It appeared to logged-in customers beginning Dec. 16, 2024, and on Feb. 5, 2025, it was turned out to be available for all ChatGPT users wherever ChatGPT is readily available.( OpenAI

Jan. 31, 2025– OpenAI releases o 3-mini(smaller thinking version; first in the o 3 family).( Open up AI

April 16, 2025– OpenAI presents o 3 and o 4-mini(quick, cost-efficient thinking; strong AIME efficiency).( OpenAI

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

Aug. 4, 2025– ChatGPT came close to 700 million weekly energetic users.

Sept. 15, 2025– A New OpenAI study discloses that it reached 700 million regular active users and exactly how they utilize ChatGPT.( OpenAI

Last upgrade: October 01, 2025

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