Best AI Search Engine: Perplexity vs ChatGPT Search vs Gemini vs Grok
Side-by-Side Comparison
How Perplexity, ChatGPT, Gemini, Grok compare across the features that matter most.
| Feature | Perplexity | ChatGPT | Gemini | Grok |
|---|---|---|---|---|
| Price | $20/mo (Pro) | $20/mo (Plus) | $20/mo (Pro) | $30/mo |
| Free plan | Yes | Yes | Yes | Yes |
| Paid plan | $20/mo | $20-200/mo | $20/mo | $30/mo |
| Reasoning | Very good | Excellent | Excellent | Excellent |
| Coding | Good | Excellent | Excellent | Very good |
| Writing | Good | Excellent | Very good | Good |
| Research | Best-in-class | Very good | Excellent | Good |
| Image generation | Yes | Yes (built-in) | Yes (Imagen) | Yes |
| Video | No | Yes (Sora) | Yes (Veo) | Limited |
| Web search | Best-in-class (cited) | Yes | Yes (native) | Yes (real-time X) |
| Context | Model-dependent | 400K tokens | 2M tokens | 256K tokens |
| Integrations | Spaces, API | Extensive (GPTs, API) | Google Workspace | X platform |
| Mobile app | Yes | Yes | Yes | Yes |
| Desktop app | Yes | Yes | Web | Web |
| Privacy | Good | Good (opt-out) | Good | Moderate |
| Ease of use | Excellent | Excellent | Very good | Good |
| Best for | Search & sourced research | All-round everyday AI | Research & Google ecosystem | Real-time news & social |
KLYROO Test
Our comparison philosophy is to evaluate tools with consistent tasks and realistic workflows across categories such as writing, coding, research, reasoning, image generation, summarization and data analysis. Where we have not run a controlled head-to-head, we label the assessment clearly: this comparison is an editorial evaluation based on documented features and available evidence. We never invent benchmark numbers.
Which One Should You Choose?
- Choose Perplexity if that priority (overall) matters most to you.
- Choose Grok if that priority (real-time) matters most to you.
- Choose Gemini if that priority (multimodal) matters most to you.
- Choose Perplexity if that priority (value) matters most to you.
Frequently Asked Questions
Tools in This Comparison
Grok
xAI's assistant with real-time knowledge from X and a bold conversational style.
ChatGPT
The world's most popular AI assistant for writing, reasoning, coding and research.
Gemini
Google's multimodal AI, deeply tied into Search, Workspace and Android.
Perplexity
An answer engine that combines web search with LLMs and cites every source.