
The generative AI landscape, once dominated almost entirely by OpenAI’s ChatGPT, is showing clear signs of fragmentation as Google’s Gemini gains steam, new data suggests.
According to industry tracking firm Similarweb, ChatGPT’s share of global web traffic among generative AI platforms has fallen to its lowest level since 2023, while Gemini’s share has climbed past 20% in early 2026 — underscoring a significant acceleration of competitive pressure on OpenAI.