AI Timeline — A Crowdsourced History of Artificial Intelligence

AI Timeline — Major Events

2017-06-12 Attention Is All You Need — Transformer Architecture
2018-06-11 GPT-1
2018-10-11 BERT
2019-02-14 GPT-2
2020-05-28 GPT-3
2020-11-30 AlphaFold 2
2021-01-05 DALL·E
2021-06-29 GitHub Copilot
2021-08-10 OpenAI Codex
2022-04-06 DALL·E 2
2022-08-22 Stable Diffusion
2022-11-30 ChatGPT Launch
2023-02-24 LLaMA (Meta)
2023-03-14 GPT-4
2023-07-18 Llama 2
2023-09-27 Mistral 7B
2023-12-06 Gemini (Google)
2024-02-15 Gemini 1.5
2024-02-15 Sora (OpenAI)
2024-03-04 Claude 3
2024-07-23 Llama 3.1
2024-10-29 Claude Computer Use
2024-12-20 o3 (OpenAI)
2025-01-20 DeepSeek R1
2025-02-27 GPT-4.5
2025-05-22 Claude 4 Sonnet