How to Use Claude on Mac: Claude 4.6 in a Native App

Updated July 8, 2026 · Claude 4.6 Sonnet & 4.5 Haiku · Free to start · macOS 14+

Claude has earned a reputation as the writer’s model — careful, nuanced, and great at long documents. AI Writing & Study Assistant puts Claude 4.6 Sonnet and Claude 4.5 Haiku in a native Mac window, next to 50+ other models — so Claude’s answer is always one click from a second opinion.

What Claude is best at

Writing and editing — drafts that sound human, careful tone control, strong long-form structure.
Long documents — attach a PDF or paste a long text and Claude keeps the thread.
Nuanced reasoning — balanced answers on questions where a one-liner won’t do.
Fast mode — Claude 4.5 Haiku answers quick questions at speed; save Sonnet for the heavy lifting.

Claude AI chatting in a native Mac app window with chat history in the sidebar — A native Mac chat window — Claude for writing, with every other model one click away.

Use Claude on your Mac in one minute

Download the app — Get AI Writing & Study Assistant free from the Mac App Store and open it — no account, no API keys.
Pick a Claude model — Open the model list and choose Claude 4.6 Sonnet (depth) or Claude 4.5 Haiku (speed).
Write, edit, analyze — Draft essays and emails, attach PDFs for analysis, or use built-in tools like the Grammar Fixer and Tone Polisher.
Compare with other models — Re-run the same prompt on Gemini or DeepSeek without leaving the conversation.

Claude plus 50 teammates

The advantage of using Claude here instead of a single-provider app: when a task isn’t Claude-shaped — real-time web answers, 4K image generation, budget-friendly bulk drafting — you switch models instead of switching apps. One window, one history, one subscription.

Common questions

Which Claude models are available?

Claude 4.6 Sonnet and Claude 4.5 Haiku, both selectable from the model list. Sonnet for depth and writing quality, Haiku for fast everyday answers.

Is this the official Anthropic app?

No — it’s an independent multi-model client. All trademarks belong to their owners. The upside of independence: Claude sits next to Gemini, Grok, DeepSeek and 50+ other models in one window.

Can Claude read my PDFs here?

Yes. Attach PDFs, documents or photos to a chat and ask Claude to summarize, extract or explain them.

Claude, at home on your Mac

Download free and chat with Claude 4.6 in a native Mac window.

Free download · macOS 14 Sonoma or later