General-purpose conversational AI assistant with a reputation for careful long-form writing, detailed code work, and considered analysis. Available as a chat product, an API, and a set of tools that put the assistant inside common workflows.
The most widely adopted assistant on the market. Broadest ecosystem of third-party GPTs, native image generation, advanced voice mode, and the deepest mainstream brand recognition. Strong general-purpose performance.
Google's flagship AI assistant. Native ties to Search, Workspace, Android, and YouTube. Large context windows, strong multimodal handling (text, image, audio, video), and access to Google's broader research stack.
Microsoft's assistant family. Built into Word, Excel, Outlook, Teams, and Windows, plus a standalone web and mobile chat product. Separate GitHub Copilot product for developers. Enterprise data handling and Microsoft 365 compliance.
| Metric | Claude | ChatGPT | Gemini | Copilot |
|---|---|---|---|---|
| Manufacturer | Anthropic | OpenAI | Microsoft | |
| Free Tier | Yes | Yes | Yes | Yes |
| Pro Plan | ~$20 | ~$20 | ~$20 | ~$20 |
| Higher Tier | Max | Pro ~$200 | Ultra | 365 add-on |
| Native Image | limited | Yes | Yes | Yes |
| Voice Mode | via app | Advanced | yes | yes |
| Office Tools | Excel beta | via plugins | Workspace | 365 native |
| Code Tools | Claude Code | Codex | Code in Workspace | GitHub Copilot |
| Mobile | iOS + Android | iOS + Android | iOS + Android | iOS + Android |
| API Available | Yes | Yes | Yes | Yes (Azure) |
Claude tends to land best for careful long-form writing, structured analysis, and code review where reasoning quality matters more than raw breadth of integrations.
ChatGPT covers the widest spread of tasks out of the box. Image generation, voice, and a deep third-party GPT store are built in. Strongest if you want one tool for everything.
Gemini is the natural fit when work happens inside Gmail, Docs, Drive, or Android. Large context windows and tight Google integration are its standout properties.
Copilot is the natural fit inside Word, Excel, Outlook, and Teams. Enterprise data handling and Windows-level access are real advantages in office environments.