head-to-head · ai tracker
two tools, one question — answered with daily search-interest data across 85 countries.
This week it’s a dead heat: Character.AI and NotebookLM both hold 1.5% of global AI-tool search interest. Country-by-country, Character.AI is the preferred pick in 16 of the 85 tracked countries and NotebookLM in 49. share of Google search interest — relative preference, not usage counts.
updated 2026-07-23 · refreshed daily
01 · the two-horse race
weekly, 2025-07-13 → 2026-07-19. share of Google search interest — relative preference, not usage counts.
02 · momentum
share moves from daily snapshots, side by side. share of Google search interest — relative preference, not usage counts — history accumulates from Jul 7, 2026.
03 · who prefers what
every country compared on its own shares; ranked by margin. share of Google search interest — relative preference, not usage counts.
| # | country | Character.AI | NotebookLM | margin |
|---|---|---|---|---|
| 1 | 🇷🇺 Russia | 4.2% | 0.8% | +3.4pp |
| 2 | 🇵🇱 Poland | 3.0% | 1.1% | +1.9pp |
| 3 | 🇺🇸 United States | 1.8% | 0.5% | +1.3pp |
| 4 | 🇨🇿 Czechia | 2.2% | 1.1% | +1.1pp |
| 5 | 🇬🇧 United Kingdom | 1.7% | 0.6% | +1.1pp |
| 6 | 🇲🇽 Mexico | 2.5% | 1.6% | +0.9pp |
| 7 | 🇷🇴 Romania | 1.9% | 1.0% | +0.9pp |
| 8 | 🇭🇺 Hungary | 1.2% | 0.5% | +0.7pp |
| # | country | NotebookLM | Character.AI | margin |
|---|---|---|---|---|
| 1 | 🇮🇱 Israel | 15.2% | 0.9% | +14.3pp |
| 2 | 🇹🇭 Thailand | 12.1% | 0.5% | +11.6pp |
| 3 | 🇻🇳 Vietnam | 7.5% | 1.0% | +6.5pp |
| 4 | 🇹🇼 Taiwan | 6.1% | 0.2% | +5.9pp |
| 5 | 🇯🇵 Japan | 5.6% | 0.6% | +5.0pp |
| 6 | 🇦🇷 Argentina | 7.4% | 3.1% | +4.3pp |
| 7 | 🇨🇳 China | 3.7% | 0.3% | +3.4pp |
| 8 | 🇧🇴 Bolivia | 4.1% | 1.5% | +2.6pp |
country links open that country’s full AI-preference page. updated 2026-07-23.
faq
It's a dead heat this week: both Character.AI and NotebookLM hold 1.5% of global AI-tool search interest. Country-by-country, Character.AI leads in 16 of the 85 tracked countries and NotebookLM in 49. This measures share of Google search interest — relative preference, not usage counts.
NotebookLM out-searches Character.AI in 49 of the 85 tracked countries — most strongly in Israel (15.2% vs 0.9%), Thailand (12.1% vs 0.5%), Vietnam (7.5% vs 1.0%). The full country split is in the tables above and refreshes daily.
Over the last 30 days Character.AI's global search share moved +0.3pp and NotebookLM's -0.1pp — so Character.AI has the better momentum right now. Day-to-day search share is noisy; read short windows as weather, not climate.
go deeper: Character.AI stats · NotebookLM stats · all 26 tools on one chart.