Similarweb: ChatGPT traffic share slides from 69.5% to 55.7% in a year as Claude triples to 11.5%
FinanceYF5 · x · 2026-11-11
Similarweb's October 2026 update on generative AI website traffic share shows a shifting landscape over 12 months:
- ChatGPT: down from 69.5% (Nov 2025) to 55.7% (Oct 2026), dipping near 50% mid-year
- Gemini: surged from 15.9% to a peak of 26.7%, now 24.2%—solidly #2
- Claude: steepest climber, from 2.1% to 11.5%, gaining 2 points in the last month alone
- DeepSeek: steady around 3.4%
- Grok: 3.3% → 2.2%
- Copilot: 2.0% → 1.1%
- Perplexity: 2.2% → 0.9%
ChatGPT keeps majority share but its dominance is eroding; Claude is the year's biggest share winner.
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