From ChatGPT's launch to YC's move: a timeline of San Francisco's AI boom
garrytan · x · 2026-10-08
A retweeted timeline traced by Y Combinator CEO Garry Tan maps how the AI wave reshaped San Francisco: ChatGPT launched and Claude was trained in 2022; Tan became YC's CEO in Q1 2023 and moved YC to SF; OpenAI expanded to 500k sq ft in Mission Bay while Anthropic took Slack's old HQ — bringing OpenAI's SF footprint to roughly 1M sq ft by 2024. A snapshot of the industry's geographic renaissance.
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