Best AI Tools in Japan 2025
May 2025
Discover The Top 50 AI Products
Check out the top ranking list of the best AI products in Japan. Compare traffic, market shifts and growth trends.
Key Takeaways
Fast Growing Top AI Tools in May 2025
AI's Ascent: Gemini 2.5 Pro Preview, Gemini 2.5, and Google Search AI Mode surged, signaling strong user adoption of advanced AI models. The integration into search is a game-changer!
AI Products Facing Sharply Declined Traffic in May 2025
Changing Tides: AI Face Swap, Japanese AI Novelist, Phi-4-multimodal, & Phi-4-mini saw growth decline. Is it market saturation or a shift in user preferences we're observing?
Ranking List
| Rankings | Monthly Visits | ||
 | Gemini 2.5 Pro Preview 05-06 | 29.2M | |
 | DeepL | 21.8M | |
 | Adobe Photoshop App | 20.3M | |
4 | Notion | 15.8M | |
5 | Seaart.ai | 6.5M | |
6 | Perplexity AI | 6.3M | |
7 | chichi-pui | 5.3M | |
8 | PixAI - AI Art Generator | 4.2M | |
9 | Amazon Nova Sonic | 4M | |
10 | Claude AI | 3.7M | |
11 | Android Wear | 3M | |
12 | Civitai | 2.8M | |
13 | Adobe Premiere Pro 25.2 | 2.7M | |
14 | HEROZ | 2.3M | |
15 | Genspark | 2.2M | |
16 | SUNO V4.5 | 2.2M | |
17 | HubSpot | 1.7M | |
18 | おいしい健康 | 1.7M | |
19 | NovelAI - The AI Storyteller | 1.6M | |
20 | Notta | 1.5M | |
21 | Google Whisk | 1.2M | |
22 | Google Whisk | 1.2M | |
23 | IBM | 1.1M | |
24 | Felo | 1M | |
25 | Japanese AI Novelist | 989.9K | |
26 | Monica - Your ChatGPT AI Assistant Chrome Extension | 824.5K | |
27 | Perfectcorp | 759.5K | |
28 | YouCam AI & AR Business Solutions | 759.5K | |
29 | 123RF | 747.6K | |
30 | 123RF | 747.6K | |
31 | Tensor Art | 706.2K | |
32 | Candy.ai | 643.4K | |
33 | GVA NDAチェック | 618.6K | |
34 | STUDIO AI | 549.4K | |
35 | Adobe Firefly | 509.8K | |
36 | WikiWand | 493K | |
37 | AI Face Swap | 478.9K | |
38 | PixVerse V4.5 | 469.4K | |
39 | HPE GreenLake AI/ML | 438.7K | |
40 | Gemini 2.5 | 425.6K | |
41 | Google Search AI Mode | 425.6K | |
42 | Google NotebookLM Plus | 425.6K | |
43 | Google Gemini 2.0-重复产品 | 425.6K | |
44 | Google Android XR | 425.6K | |
45 | Google Willow | 425.6K | |
46 | Phi-4-multimodal and Phi-4-mini | 352.1K | |
47 | Microsoft Phi-4 | 352.1K | |
48 | Clipchamp | 350.9K | |
49 | Vidnoz | 342.3K | |
50 | Mirai Translator | 312.1K |
Top 5 Growing AI Tools - Trends & Analysis
No.1 - Gemini 2.5 Pro Preview 05-06: Gained 118.3M monthly visit growth and 28.9% growth rate
Gemini 2.5 Pro Preview 05-06 experienced moderate growth likely due to updates and announcements at Google I/O 2025, including stronger coding capabilities and the rollout of AI Mode to all US users. The introduction of Gemini 2.5 Pro Deep Think and Gemini 2.5 Flash also contributed to increased user engagement.
No.2 - Gemini 2.5: Gained 2.1M monthly visit growth and 27.4% growth rate
Gemini 2.5 experienced a moderate growth of 35.1% in monthly visits, likely influenced by the introduction of Gemini 2.5 into Search for both AI Mode and AI Overviews. Additionally, Google's I/O 2025 announcements and the release of new Android features tailored to users likely contributed to this increase.
No.3 - Google Search AI Mode: Gained 2.1M monthly visit growth and 27.4% growth rate
Google Search AI Mode experienced a moderate growth of 35.1% in monthly visits, likely due to the introduction of new AI features highlighted at Google I/O 2025. The availability of AI Mode to all Labs users in the U.S. and enhancements to AI Overviews also likely contributed to this increase.
No.4 - Google NotebookLM Plus: Gained 2.1M monthly visit growth and 27.4% growth rate
Google NotebookLM Plus experienced moderate growth, likely influenced by the AI updates announced at Google I/O 2025, including Gemini 2.5 integration and new AI features in Search which improves user experience. The expansion of Google for Nonprofits with new AI features may also have contributed.
No.5 - Google Gemini 2.0-重复产品: Gained 2.1M monthly visit growth and 27.4% growth rate
Google Gemini 2.0 experienced a moderate growth of 35.1% in monthly visits. This growth is likely attributed to Google's continuous AI updates, including the introduction of AI features in Search like AI Mode and Deep Search, along with Gemini 2.5 integration into Google AI Studio.
Frequently Asked Questions
The rankings are based on monthly traffic data from the third-party platform Similarweb, which ranks products by the number of visits to their websites during a given month. The results are not influenced by any commercial partnerships or advertising, and no subjective evaluations are involved, ensuring the objectivity and fairness of the rankings.To elaborate, our research indicates that websites are a common and important way to use AI tools, so this ranking primarily uses website traffic as an objective metric. The goal is to help users understand the growth trends and changes of top AI products and make it easier to choose the right tools. However, it is inevitable that some AI products, which offer services in other forms, might have their actual traffic unaccounted for.