| Feature | Copilot | Perplexity | ChatGPT |
|---|---|---|---|
| Base Technology | GPT-4 with Bing integration | Mixture of expert models | OpenAI GPT models (GPT-4o, GPT-4o mini) |
| Information Accuracy | Real-time but can be inaccurate | Excels in accuracy, real-time | Depends on pre-trained knowledge, limited web access |
| Interaction Style | Creative, Balanced, Precise | Structured responses | Natural conversations |
| Specialized Features | • DALL·E 3 integration • Microsoft ecosystem |
• Article summarization • Multiple writing modes |
• Custom instructions • Web browsing (paid) • Image generation |
| Limitations | • 5 responses per chat • 4000 character limit |
• No image generation | • Free version limited by knowledge cut-off |
| Price | $30/month (Microsoft 365 Copilot), $20/month (Pro) | Free plan Pro: $20/month |
Free plan Plus: $20/month |
| Best For | General-purpose AI with web search | Real-time research & factual recall | Creative writing & conversational tasks |
Copilot is built on GPT-4 and tightly integrated with Microsoft 365.
An AI-powered real-time search engine with accurate, citation-backed results. Available via web, mobile app, and Chrome. Free plan available. Pro plan here.
Versatile and user-friendly for writing, brainstorming, research help, and more. Try it for free or subscribe to ChatGPT Plus for access to GPT-4o and advanced features like image input and browsing.
Gemini is Google’s flagship AI tool (formerly Bard), useful for quick research, integrations with Docs, and generating structured responses. Available with any Google account.