AI Search Engines Compared: Perplexity vs You.com vs Bing Copilot vs Google Gemini Search
更新于 2025-10-16 · By AI Tools Lab
AI搜索PerplexityYou.comBing CopilotGoogle Gemini
Bottom Line
If you want fast, accurate, and citable answers, Perplexity is still the best. You.com stands out for privacy and customization. Bing Copilot’s edge is its Microsoft ecosystem integration. Google Gemini Search, leveraging Deep Think and tight Search integration, is becoming the strongest option for academic and professional research.
Side‑by‑side Comparison
| Aspect | Perplexity | You.com | Bing Copilot | Google Gemini Search |
|---|---|---|---|---|
| Accuracy | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Speed | ⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ |
| Extensibility | Fewer plugins | Highly extensible | Office integration | Deep Think, multimodal |
| Strengths | Citations; academic‑friendly | Privacy‑first; plugins | Microsoft ecosystem (Office + Edge) | Deep integration with Google Search; image/video/multilingual |
| Weaknesses | Weak personalization | Slower; smaller community | Microsoft account required | Limited availability; tone can feel robotic |
What Each One Is Best At
🔍 Perplexity
- Best: clear citations; great for academic research
- For: researchers, students, journalists
🔐 You.com
- Best: privacy and customizable search experience
- For: developers and privacy‑focused users
🪟 Bing Copilot
- Best: deep integration with Microsoft Office & Windows
- For: workplace productivity and enterprise teams
🌐 Google Gemini Search
- Best: Deep Think reasoning with multimodal inputs (Gemini 2.5 Pro)
- Notable: handles images, video, PDFs; cross‑language retrieval
- For: academic retrieval, multimodal analysis, global information access
Summary
- Academic research / citations → Perplexity
- Privacy & customization → You.com
- Enterprise / office workflows → Bing Copilot
- Cross‑media, deep reasoning, global info retrieval → Google Gemini Search