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November 2022 - November 2025

AI Timeline

Journey through the major events since ChatGPT revolutionized AI accessibility in November 2022

Major Model Releases
Industry Milestones
3+ Years of Innovation
Filter:
2022

November

November 30
launch

ChatGPT Launch

OpenAI releases ChatGPT powered by GPT-3.5 as a free research preview, marking a watershed moment in AI accessibility

December

December

ChatGPT Goes Viral

ChatGPT gains over 1 million users within 5 days of launch

December

Midjourney v4 Released

Midjourney v4 released with improved image generation

December

Stable Diffusion Updates

Stable Diffusion 2.0 and 2.1 launched by Stability AI

2023

January

January
milestone

100 Million Users

ChatGPT surpasses 100 million users in just 2 months, becoming the fastest-growing consumer app in history

February

February 1

ChatGPT Plus Launch

OpenAI announces ChatGPT Plus subscription ($20/month) offering priority access

February 7

Bing AI Integration

Microsoft announces ChatGPT-powered features coming to Bing

February 22

Bing Chat Mobile Preview

Microsoft releases AI-powered Bing Chat for mobile preview

February

Meta Releases LLaMA

Meta releases LLaMA language model as open-source for research

March

March 1

ChatGPT API Launch

OpenAI introduces ChatGPT API for developers; early adopters include Snapchat, Quizlet, Instacart

March 14
launch

GPT-4 Release

OpenAI releases GPT-4 with multimodal capabilities (text and image inputs), marking major advancement in AI capabilities

March 17

Baidu Ernie Bot

Baidu releases Ernie Bot, China's ChatGPT competitor

March 21

Google Bard Launch

Google opens access to Bard chatbot based on LaMDA

March 22

AI Development Pause Letter

Open letter signed by tech leaders calling for 6-month pause on advanced AI training

March

Midjourney v5 Launch

Midjourney v5 launched with significant improvements

April

April 25

Data Controls Added

OpenAI adds data controls allowing users to opt out of training data inclusion

April 28

Italy Lifts ChatGPT Ban

Italy lifts ChatGPT ban after OpenAI meets privacy demands

April 29

ChatGPT Plugins Launch

OpenAI releases ChatGPT plugins, GPT-3.5 with browsing, and GPT-4 with browsing (ALPHA)

April

Adobe Firefly Beta

Adobe releases Firefly image creation model (beta)

May

May 12

200+ Plugins Available

ChatGPT Plus users gain access to over 200 plugins

May 15-18

ChatGPT iOS App

OpenAI launches ChatGPT iOS app worldwide

May 16

Senate Testimony

OpenAI CEO Sam Altman testifies before Senate on AI regulation

May 23

Bing Powers ChatGPT

Microsoft announces Bing will power ChatGPT web browsing

May

Midjourney v5.1

Midjourney v5.1 released

May

Bard Upgraded to PaLM 2

Google announces upgrade to Bard with PaLM 2, expanding to 180 countries

June

June

Midjourney v5.2

Midjourney v5.2 launched with enhanced features

July

July 21

ChatGPT Android App

OpenAI launches official ChatGPT app for Android

July

Claude 2 Released

Anthropic releases Claude 2 with 100,000 token context window (75,000 words)

July

LLaMA 2 Public Release

Meta releases LLaMA 2 open-source to general public in various sizes

July

Stable Diffusion XL 1.0

Stable Diffusion XL 1.0 released

August

August 28

ChatGPT Enterprise

OpenAI launches ChatGPT Enterprise with unlimited GPT-4 access and enterprise-level security

September

September 20

DALL-E 3 Integration

ChatGPT integrates with DALL-E 3

September

Voice & Image Capabilities

Voice and image capabilities launched for ChatGPT mobile apps

October

October

DALL-E 3 Released

DALL-E 3 released with improved image generation

October

Adobe Firefly 2

Adobe releases Firefly 2

November

November 6

Custom GPTs Announced

OpenAI announces Custom GPTs, allowing users to create specialized GPT versions

November 17-21
controversy

Sam Altman Crisis

Sam Altman fired and then reinstated as OpenAI CEO after dramatic board crisis

November

GPT-4 Turbo

GPT-4 Turbo announced with 128K context window and knowledge cutoff extended to April 2023

December

December

Stable Diffusion XL Turbo

Stable Diffusion XL Turbo released (one-step real-time generation)

December

Midjourney v6

Midjourney v6 launched

December

Gemini Pro in Bard

Google upgrades Bard to Gemini Pro in limited areas

December

Grok AI Launch

X Corporation launches Grok AI chatbot for paid subscribers

2024

January

January 10

GPT Store Launch

OpenAI launches GPT Store for discovering custom GPTs and introduces ChatGPT Team

January 19

Stable LM 2

Stability AI releases Stable LM 2 with up to 12 billion parameters

January 25

New Embedding Models

OpenAI releases text-embedding-3-small and text-embedding-3-large models

January

Stable Diffusion 3 Announced

Stability AI announces Stable Diffusion 3 (gradual rollout to waitlist)

February

February 8

Bard Becomes Gemini

Google's Bard officially rebrands to Gemini

February 15
launch

Sora Announcement

OpenAI announces Sora, groundbreaking text-to-video model

February

Model Context Protocol

Anthropic announces Model Context Protocol (MCP) - a universal interface for AI tools

February

Gemini 1.0 Ultra

Google launches Gemini 1.0 Ultra for select developers

March

March 4
launch

Claude 3 Family

Anthropic releases Claude 3 family (Haiku, Sonnet, Opus) with meta-cognitive reasoning

March 10

Inflection-2.5

Inflection AI releases Inflection-2.5 achieving 94% of GPT-4 performance with 40% of training compute

March 29

Jamba Released

AI21 Labs unveils Jamba with 256K context window

March

Stable Audio 2.0

Stability AI releases Stable Audio 2.0

March

Grok-1.5V

X Corporation releases Grok-1.5V with image recognition

April

April 9

Plugins Discontinued

OpenAI announces discontinuation of ChatGPT plugins in favor of custom GPTs

April 10

Mixtral 8x22B

Mistral AI launches Mixtral 8x22B (141B total, 39B active parameters)

April

LLaMA 3 Released

Meta releases LLaMA 3 in 8B and 70B sizes (open-source)

April

Microsoft Phi-3-mini

Microsoft releases Phi-3-mini (3.8B parameters, mobile-capable)

April

Adobe Firefly 3

Adobe announces Firefly 3 for image creation

May

May 13
launch

GPT-4o Launch

OpenAI announces GPT-4o (omni) with native multimodal capabilities and faster processing

May 13

Google I/O AI Showcase

Google I/O showcases major AI advancements

May

Claude 3.5 Sonnet

Anthropic releases Claude 3.5 Sonnet with major improvements in coding and reasoning

May

Meta Chameleon

Meta introduces Chameleon multimodal model

May

Google AI Overviews

Google announces AI Overviews for search

May

Apple Intelligence

Apple announces Apple Intelligence for its devices

June

June

Stable Diffusion 3 Medium

Stability AI releases Stable Diffusion 3 medium version

June

Runway Gen3 Alpha

Runway introduces Gen3 Alpha for video generation

June

Gemma 2

Google announces Gemma 2

June

Gemini 1.5 Upgrade

Google increases Gemini 1.5 token limit to 2 million

June

Copilot+ PCs

Microsoft announces Copilot+ for dedicated AI PCs

July

July

GPT-4o mini

OpenAI releases GPT-4o mini

July

Llama 3.1

Meta releases Llama 3.1 in multiple sizes including 405B parameters

July 24

Mistral Large 2

Mistral AI releases Mistral Large 2 (123B parameters)

July

AlphaProof & AlphaGeometry 2

Google DeepMind unveils AlphaProof and AlphaGeometry 2

July

SearchGPT Launch

OpenAI launches SearchGPT

July

Midjourney v6.1

Midjourney v6.1 released

August

August

Advanced Voice Mode

Advanced Voice Mode rolled out for ChatGPT with natural real-time conversations

August

Flux 1.1 Pro

Flux 1.1 Pro released

September

September

Meta Movie Gen

Meta unveils Movie Gen

September

Pika Video 1.5

Pika introduces Video Model 1.5 with Pika Effects

October

October

Adobe Firefly Video

Adobe announces Firefly Video

October

Stable Diffusion 3.5

Stable Diffusion 3.5 released

October

Claude 3.5 Updates

Anthropic launches Claude 3.5 Sonnet (new version) and Claude 3.5 Haiku

October

Recraft v3

Recraft v3 released

November

November

MCP Production Ready

Anthropic introduces Model Context Protocol (MCP) as production-ready

November

Pixtral Large

Mistral AI launches Pixtral Large

November

Visual PDF Analysis

Anthropic introduces Visual PDF Analysis in Claude

December

December 9
launch

o3 Preview

OpenAI previews o3 reasoning model with major performance improvements

December

Sora Public Release

OpenAI releases Sora for video generation (public access)

December

o1 Reasoning Model

OpenAI releases o1 reasoning model

December

ChatGPT Pro

ChatGPT Pro tier introduced at $200/month with unlimited o1 access

December 20

Gemini 2.0 Flash

Google launches Gemini 2.0 Flash in beta

December

Gemini Thinking Mode

Google introduces Gemini-2.0-Flash-Thinking

December

Veo 2

Google releases Veo 2 for video generation

2025

January

January 20

Trump Inauguration

Donald Trump inaugurated as US President

January 27
launch

DeepSeek R1 Disruption

DeepSeek releases R1 reasoning model, disrupting AI industry with claimed $6M training cost and performance matching OpenAI o1

January 31

o3-mini for Free Users

OpenAI releases o3-mini reasoning model to free ChatGPT users

February

February 1

o3-mini Enhanced Reasoning

OpenAI updates o3-mini to show more detailed chain-of-thought reasoning in response to DeepSeek competition

February

GPT-4.5 for Pro Users

GPT-4.5 (codename Orion) rolled out to ChatGPT Pro users

February

Alibaba Qwen Updates

Alibaba releases Qwen updates claiming to beat DeepSeek

May

May 6
milestone

Gemini 1.5 Milestone

Google releases Gemini 1.5 (often called 2.5), first to break 1400 Elo rating on Arena LLM Leaderboard for web development

May
launch

Claude 4 Family

Anthropic introduces Claude 4 family (Opus 4 and Sonnet 4) with 200K token context and extended thinking mode

May

Claude Code GA

Claude Code becomes generally available with GitHub Actions support

May

Gemini 2.5 Multi-Agent

Google releases Gemini 2.5 Pro and Flash as first publicly available multi-agent model with 1M token context

June

June

Claude 4 GA

Claude 4 becomes generally available via Claude.ai and API

June

AI Safety Level 3

Anthropic announces Claude 4 operates at AI Safety Level 3

August

August 5
launch

OpenAI Open-Source Models

OpenAI launches gpt-oss-120b and gpt-oss-20b, its first open-source reasoning models, responding to Chinese AI lab pressure

September

September
milestone

700M Weekly Users

ChatGPT reaches 700 million weekly active users

September

80% Market Share

OpenAI reportedly accounts for 80% of generative AI tool traffic

November

November 19
launch

Gemini 3 Launch

Google launches Gemini 3 with advanced multimodal, agentic capabilities and 'Deep Think' mode

November 19

Claude on Azure

Microsoft announces Anthropic's Claude models available in Microsoft Foundry (Azure)

November

Midjourney v7

Midjourney launches v7 with higher image quality and style control

November

Video Generation Advances

Veo 2.0 (Google), Runway Gen-4, Vidu Q1, and Kling 2.0 released

November

Qwen 3

Alibaba releases Qwen 3

November

Phi-4 Reasoning

Microsoft launches Phi-4 reasoning series

November

Veo 3 & Imagen 4

Google releases Veo 3 for 4K video with natural audio and Imagen 4

Key Highlights

700M+
ChatGPT Weekly Active Users (2025)
3+ Years
Since ChatGPT Launch
50+
Major AI Model Releases

Key Themes & Trends

Model Evolution

From foundation models (2022-2023) to multimodal capabilities (2024) to reasoning models (2025)

Open Source Movement

Meta's LLaMA series, Mistral AI, and DeepSeek drive open-source innovation and cost efficiency

Multimodal Expansion

From text-only to images, voice, video, and seamless integration across modalities

Competition Intensifies

US-China rivalry, open vs closed debate, and rapid innovation cycles reshape the industry