Microsoft's AI assistant powered by GPT-4, integrated with Windows and Office.
AI Assistant
Microsoft Copilot is Microsoft's umbrella brand for AI across the entire Microsoft stack — Windows, Office, Edge, Teams, Bing, GitHub, Dynamics, and the Azure developer tools. Launched in 2023 as a rebrand of Bing Chat and now spanning at least five distinct products under one name, Copilot is the default AI most Windows users will encounter first, because Microsoft has spent the last three years wiring it into the operating system and the productivity suite that most of the working world already lives in.
Under the hood, consumer Copilot runs on a mix of OpenAI's GPT-5 family and Microsoft's own MAI-1 models, with the routing largely invisible to users. Practically, the model quality is competitive with ChatGPT Plus — because for most conversations it is ChatGPT Plus with a Microsoft skin — and the differentiation lives entirely in the integration surface. Copilot is not the sharpest model on the market. It is the model that opens automatically when you press the Copilot key on your keyboard.
The one-line positioning: Microsoft Copilot is the frontier assistant to pick when your organization runs on Microsoft 365, when you spend most of your day in Word, Excel, PowerPoint, and Outlook, or when Windows is your operating system and you want the AI baked into it rather than living in a browser tab. It is not the best AI for careful creative writing (Claude wins), not the best for image and video generation depth (ChatGPT wins), and not the best for real-time web research (Gemini and Perplexity win). But for the "help me finish this Excel model, summarize this Outlook thread, and turn these notes into a PowerPoint" workflow that describes 80% of enterprise knowledge work, nothing else is close.
For enterprise IT buyers, Copilot is often the only AI subscription that gets past procurement without a fight, because it lives inside the Microsoft contract that already exists.
Copilot's feature set is deliberately fragmented across products, because Microsoft is selling different Copilots to different buyers. The features that matter for most users are the ones inside the Office apps they already open every morning.
GPT-5 and MAI-1 model access. Consumer Copilot on the free tier gives you access to GPT-5-class reasoning with generous daily limits — meaningfully more than ChatGPT's free-tier quota. Think Deeper mode extends response time for harder reasoning problems, comparable to o3-style deliberate thinking in ChatGPT.
Copilot in Word, Excel, PowerPoint, and Outlook. The core Microsoft 365 Copilot integration. Draft a document from a prompt in Word, generate a formula and analyze data in Excel, turn a Word doc into a PowerPoint deck in one click, summarize a 40-message Outlook thread and draft a reply. This is the moat: no competing assistant touches your document, your spreadsheet, and your inbox in one continuous session.
Copilot in Teams. Real-time meeting transcription, summarization, action-item extraction, and a "catch me up" mode when you join a meeting late. For any team already running its meetings inside Teams, this is a productivity feature that pays for the subscription on its own.
Windows Copilot and Copilot key. Wired into Windows 11 at the OS level with a dedicated keyboard key on new PCs. Recall (with privacy toggles you should understand before enabling), Click to Do, and image editing inside Photos and Paint are all Copilot surfaces. The OS integration is the aggressive Microsoft play — Copilot as the default AI you meet before you install anything.
Copilot Studio. Microsoft's low-code agent builder for enterprises. Build custom Copilots grounded in your SharePoint sites, Dataverse tables, and third-party connectors. Comparable to ChatGPT's Custom GPTs but with tighter enterprise identity and governance controls that IT teams actually need to sign off.
GitHub Copilot integration. Not the same product technically — GitHub Copilot is billed separately — but sold under the same brand and increasingly cross-referenced. If you already use GitHub Copilot for code, the naming convergence is deliberate.
Vision, voice, and image generation. Copilot Vision lets you screen-share a browser tab or an app window and ask Copilot about what it sees. Copilot Voice matches ChatGPT Advanced Voice Mode for conversational latency. Image generation runs on DALL-E 3, folded into Copilot with generous free-tier limits — enough to draft social visuals or product mockups without upgrading.
Bing and web search grounding. Every Copilot response can pull real-time results from Bing's index, with citations. Not as clean as Perplexity's citation UI, but ahead of ChatGPT's web mode on freshness and integrated by default rather than as a separate mode.
Microsoft Copilot's pricing is more fragmented than any competitor's, because Microsoft is really selling four different products under one name. The right price depends on which one you actually need.
| Plan | Price | What you get |
|---|---|---|
| Copilot Free | $0 | GPT-5-class chat, image generation, voice, generous daily limits |
| Copilot Pro | $20/month | Priority frontier access, Copilot in Word/Excel/PowerPoint/Outlook (personal), higher image limits |
| Microsoft 365 Copilot | $30/user/month | Full Office app integration, Teams, SharePoint grounding, enterprise controls |
| Copilot Studio | From $200/month per tenant | Custom agent building, message packs, enterprise governance |
| GitHub Copilot | From $10/month per user | Separate product for code — different subscription entirely |
Copilot Free is the most generous free tier of any frontier assistant. Real GPT-5-class model access, DALL-E 3 image generation, voice mode, and Bing-grounded search with no meaningful daily cap for casual users. For anyone who does not need Office integration and is not paying for ChatGPT Plus, Copilot Free is a legitimate primary AI.
Copilot Pro at $20/month is the consumer bridge tier — priority access to the frontier model plus Copilot inside the personal Office apps if you buy Microsoft 365 Personal or Family alongside. Priced at exact parity with ChatGPT Plus, it is worth the swap only if your personal life runs on Office and Outlook. For most solo users, ChatGPT Plus is the wider product.
Microsoft 365 Copilot at $30/user/month is where the real business value lives — and it is not cheap. It layers on top of your existing Microsoft 365 Business or Enterprise license, so the total cost for a five-person team is roughly $150/month on top of the $60-100/month you already pay for M365. Add Teams meetings, SharePoint grounding, and Outlook integration to that math and the ROI question becomes real for teams that actually use Office as their operating environment. For companies that live in Google Workspace, the answer is easier: you do not buy this.
Copilot Studio pricing starts at $200/month per tenant for the message packs needed to run production agents, and it climbs fast in enterprise deployments. Custom-agent budgets in the tens of thousands per year are common at mid-market and up.
Pros
Cons
Enterprise knowledge workers on Microsoft 365. If your day is 60% in Outlook, Word, and Excel, Microsoft 365 Copilot is not really optional. The context switch to a browser-tab AI costs you more per week than the subscription costs per month.
Teams-first organizations. Meeting transcription, catch-me-up mode, and post-meeting action-item extraction are the features that make Teams meetings less painful, and no competing tool ships them at the same depth inside the meeting client itself.
Windows power users who prefer OS-level AI. For anyone who wants the AI reachable from anywhere in the OS via the Copilot key or Win+C shortcut — including image editing in Photos, quick answers about the current screen via Vision, and system settings via voice — this is the only assistant wired in at that level.
Cost-conscious casual users. Copilot Free is the strongest free tier of any frontier assistant right now. For anyone who does not need Office integration and would otherwise consider ChatGPT Free, Copilot Free is a real upgrade at the same price of zero.
IT departments building governed enterprise agents. Copilot Studio's grounding on SharePoint, Dataverse, and Microsoft Graph, combined with Purview compliance, gives IT teams a way to ship agents that survive an audit — a criteria most other agent platforms fail.
Three assistants compete meaningfully with Microsoft Copilot in 2026, each winning in a distinct slice:
ChatGPT — the widest ecosystem and the underlying model in most Copilot conversations. If you want the same model without the Microsoft skin, plus DALL-E, Sora, Advanced Voice, and Custom GPTs at the same $20/month, ChatGPT Plus is the equivalent standalone buy. Copilot wins on Office integration; ChatGPT wins on flexibility and product breadth.
Claude — the sharpest writing and coding assistant. Claude Opus 4.7 out-writes Copilot on long-form prose and out-codes it on hard engineering problems, and Anthropic's product tone is less enterprise-hedged. Its weakness versus Copilot is no Office integration and a smaller free tier.
Gemini — Google's answer. Same $19.99/month price for the Pro tier, native Google Workspace integration that mirrors Copilot's Office moat on the other ecosystem. If your team runs on Google Workspace instead of Microsoft 365, Gemini is the equivalent buy — same integration logic, opposite platform.
For the full head-to-head with real testing on real work, read ChatGPT vs Claude vs Gemini: The Definitive 2026 AI Assistant Comparison. Microsoft Copilot inherits most of ChatGPT's strengths and weaknesses in the underlying model — the Copilot decision is really a decision about which productivity suite your work lives in.
Try Copilot Free at copilot.microsoft.com. No credit card, no Microsoft 365 account required — just a personal Microsoft account. You land on GPT-5-class chat with image generation, voice, and Bing search grounding available immediately. Spend a week here before committing to any paid tier.
Add Copilot Pro at $20/month only if your personal life runs on Office. If you already pay for Microsoft 365 Personal or Family and use Word, Excel, and Outlook as your daily drivers, Copilot Pro's integration is worth the $20. Otherwise stay on the free tier or pay for ChatGPT Plus instead.
Buy Microsoft 365 Copilot at $30/user/month only after a real usage pilot. Run a 30-day pilot on 5-10 users, measure meeting-summary and drafting adoption weekly, then roll out only if usage clears 40%. Microsoft's own field data suggests most rollouts under-adopt without executive push and training — do not skip this step.
Skip Copilot Studio unless you have a specific agent-building mandate from IT leadership and the budget to match. Skip GitHub Copilot billing questions here — it is a genuinely separate product with its own decision.
Is Microsoft Copilot better than ChatGPT? For most conversations they are the same model with a different interface. The Copilot decision is really about integration: if you live in Office, Copilot wins. If you live in a browser and use custom GPTs, ChatGPT wins. Most enterprises end up paying for both — Copilot at work for the Office moat, ChatGPT personally for the wider product.
What model powers Microsoft Copilot? A mix of OpenAI GPT-5 family models and Microsoft's own MAI-1 models, with routing invisible to end users. Think Deeper mode uses a deliberate reasoning variant comparable to ChatGPT's o3-style modes. Model transparency is lower than at OpenAI or Anthropic — Microsoft picks the model for the query.
Does Microsoft train on my Copilot data? Consumer Copilot conversations are not used for training by default in most regions. Microsoft 365 Copilot conversations are covered by the tenant's enterprise data protection commitments and are not used for training. Copilot Free in some regions may use conversations for improvement — check your regional privacy settings before pasting sensitive material.
What is the difference between Copilot Pro and Microsoft 365 Copilot? Copilot Pro at $20/month is a consumer subscription for individuals on Microsoft 365 Personal or Family. Microsoft 365 Copilot at $30/user/month is a business SKU for organizations on Microsoft 365 Business or Enterprise plans. The features look similar in marketing; the licensing, admin controls, and grounding surfaces are fundamentally different.
Should I turn on Windows Recall? Only after you understand what it stores. Recall captures periodic screenshots of your desktop activity, encrypted locally. Microsoft has hardened the controls since the initial rollout — opt-in by default, filtered exclusions for password fields, encrypted storage — but if you handle sensitive material, keep it off until your organization has a policy.
Microsoft Copilot is the frontier assistant for anyone whose work lives inside the Microsoft 365 stack, and the strongest free-tier AI for anyone who does not. The Office integration moat is real, the enterprise governance layer is the best in the market, and the free tier is meaningfully more generous than ChatGPT's or Claude's at the same price of zero.
Where Copilot stops being the best answer: careful long-form creative writing (Claude wins), image and video generation depth (ChatGPT with Sora wins), long-context document work (Gemini's 2M window wins), and any workflow where the fragmented product naming makes the buying decision harder than it should be. Microsoft's inability to explain which Copilot you are buying is the single biggest friction point in the product.
The honest recommendation for anyone already on Microsoft 365 at work: pilot Microsoft 365 Copilot on a small team, measure real usage, and roll it out only if adoption clears 40% at week four. For personal use, start with Copilot Free — it is competitive with paid tiers of most alternatives — and upgrade to Copilot Pro only if your personal Word and Outlook workflows justify the $20. If your work is writing or code, add Claude Pro alongside; the two-tool stack covers more ground than any single subscription.
Explore more assistants in the AI Assistant category, or read our full comparison of the three frontier assistants before committing.