ChatGPTBest Pick
OpenAI's flagship. More capable reasoning, better tool use, memory features.
10 tools compared, ranked by real-world use. Updated 2026-04-18.
Microsoft Copilot is the AI layer across Microsoft's product ecosystem — built into Windows 11, Edge browser, Bing search, and Microsoft 365 apps. It runs GPT-4o under the hood and gives you a capable AI assistant at no extra cost if you already use Microsoft products. Copilot Pro unlocks deeper Office integration and faster responses.
| Tool | Price | Get started |
|---|---|---|
| ChatGPT | Free / $20/mo Free tier | Try ChatGPT → |
| Claude | Free / $20/mo Free tier | Try Claude → |
| Gemini | Free / $20/mo Free tier | Try Gemini → |
| Perplexity | Free / $20/mo Free tier | Try Perplexity → |
| Grok | Free / $30/mo Free tier | Try Grok → |
Ranked by how well they replace Microsoft Copilot for its main use case. Click any tool to sign up — affiliate links disclosed in the footer.
OpenAI's flagship. More capable reasoning, better tool use, memory features.
Best for long documents, writing, and nuanced analysis. 200K context.
Google's AI. Better search integration and Google Workspace sync.
Real-time web search with citations. More accurate than Copilot for research.
X/Twitter real-time data access. Fewer guardrails.
Free GPT-4 class reasoning model. No Microsoft account needed.
AI search with model selection and privacy-first design.
One subscription to access ChatGPT, Claude, Gemini, and more.
Free AI from Meta, available inside WhatsApp, Instagram, and Messenger.
Open-source model selection. No subscription or Microsoft account.
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