In detail
- ChatGPT market share declines from above 50% in January to 46.4% by end of May
- Monthly user estimates: ChatGPT ~1.1B, Gemini 662M, Claude 245M
- H1 2026 projected AI app downloads near 2.3B and user spending over $4.2B
Why it matters
The AI assistant market is diversifying as ecosystem integration and product positioning shift user flows; businesses face more vendor choice — and vendor‑lock risk decreases but integration complexity rises.
For you Re-evaluate your AI assistant strategy: pilot Gemini and Claude in key workflows and include portability and multi‑assistant support in procurement and integration plans.