ChatGPT's market share slips below 50% for first time

ChatGPT’s market share slips below 50% for first time

ChatGPT still leads with 1.1B monthly users, but its share just dipped below 50% for the first time. Gemini has 662M, Claude 245M. The post doesn't disclose exact share figures, methodology, or the measurement window—worth waiting for more detail.

Why it matters: ChatGPT slipping below 50% share is a milestone worth flagging, and the MAU comparisons give concrete reference points. Score held at 78 because the post doesn't disclose methodology, time window, or exact share figures — the headline is stronger than the body.