Opposite philosophies, different price points. Claude is a model — you go to it, for $20/month. Copilot is a layer — it comes to you, inside Word, Excel, and Outlook, now bundled into Microsoft 365 Premium at $16.67/month. Which one wins depends on whether your day already lives in Microsoft Office.
Browser, writing, and code → Claude Pro ($20/mo, the stronger model). Living in Outlook, Excel, Word all day → Copilot — its Office-integrated features now come via Microsoft 365 Premium ($16.67/mo, billed $199.99/year), since standalone Copilot Pro was discontinued for new subscribers in 2026.
By Anthropic. Full Claude profile →
By Microsoft. Copilot Pro was discontinued for new subscribers in 2026 — Office-integrated Copilot now comes via Microsoft 365 Premium. Full Copilot profile →
Best for: Document analysis, research, nuanced writing, serious software engineering.
Weakness: No image or video generation; no native integration into your office software.
From $0 (free)/mo. Top tier: $200/mo.
Best for: Excel data, Word drafting, PowerPoint decks, Outlook triage.
Weakness: The deeper Office-integrated features require the M365 Premium bundle, not a standalone chat plan — Copilot Pro was discontinued for new subscribers in 2026.
From $0 (free)/mo. Top consumer tier: M365 Premium at $16.67/mo.
Claude Pro gives you Fable 5 (Anthropic’s new top model) and Opus 5 — true frontier models — alongside Sonnet 5. Copilot's paid chat tier (now folded into Microsoft 365 Premium) is a wrapper around GPT-5.4 Pro. Both are excellent, but if you're weighing the smartest possible response to your prompt, Claude has the edge today, particularly on long reasoning chains.
Claude is the default for serious software engineering in 2026. Note that Microsoft also sells GitHub Copilot — a separate product priced from $10/mo that lives inside your editor. This page is about Microsoft Copilot, the general-purpose assistant. For in-IDE code completion, GitHub Copilot is the right comparison; for chat-style problem solving, Claude wins clearly.
Copilot's killer feature, full stop. "Summarise this thread", "make a deck from this Word doc", "explain this Excel formula" — these work natively because Copilot can see and edit your files. Claude has Google Workspace integration but nothing equivalent inside Office. If your week is Outlook and Excel, that gap matters.
Claude is stronger at reading long, dense documents and discussing them carefully. Copilot is faster at doing things with documents you already own — formatting, summarising, generating drafts. Different jobs.
Microsoft discontinued the standalone $20/mo Copilot Pro plan for new subscribers in 2026 (existing subscribers keep it until support ends August 1, 2026). The Office-integrated Copilot features individuals want now come through Microsoft 365 Premium at $16.67/mo (billed $199.99/year), which bundles Copilot with 6 family accounts and full Office — genuinely a better deal than the old Pro plan if you actually want the integration.
You want the strongest model your $20 can buy and you mostly work in a browser. Writers, researchers, engineers, anyone whose output is text or code. The model quality difference is real and you'll feel it on hard problems.
You already pay for Microsoft 365 (or you will) and you live in Outlook, Excel, Word, and PowerPoint. It now bundles the Copilot AI features that used to require a separate Copilot Pro subscription (discontinued for new signups in 2026), and the "AI inside the app I'm already in" experience is genuinely productive in a way standalone chat isn't.
These aren't really competitors. Claude is a model you talk to, for $20/month. Copilot is a feature inside Office, now reached through the $16.67/month Microsoft 365 Premium bundle. If you have to choose by primary workflow: browser and code → Claude; Office every day → Microsoft 365 Premium. Plenty of people get value from running both.
As a model, yes — Claude's Fable 5 is significantly stronger on writing, reasoning, and code. Copilot's advantage isn't the model, it's placement: it works inside Word, Excel, Outlook, and PowerPoint where Claude can't go.
Not anymore. Claude Pro is $20/mo. Microsoft's standalone Copilot Pro plan (also $20/mo) was discontinued for new subscribers in 2026 — Copilot's AI features for individuals now come bundled into Microsoft 365 Premium at $16.67/mo (billed $199.99/year), which also includes full Office apps and 1 TB of OneDrive storage. Claude has no bundle equivalent.
Free Copilot chat still works everywhere without M365. But new subscribers can no longer buy a standalone Copilot Pro plan — the deeper Office-integrated Copilot features now require Microsoft 365 Premium ($16.67/mo, billed $199.99/year).