Overview

Microsoft Copilot is an AI assistant for people who want chat and image tools alongside Microsoft productivity software. It suits users already working across Microsoft 365 apps, but the free plan’s capacity and usage limits make paid access more suitable for regular use.

Key features

Chat and web search: Copilot can search the web, and paid plans raise chat usage above the free tier. That is useful for frequent users, though the plan descriptions do not promise unlimited access.
File and app support: File uploads and app integrations broaden its role beyond a simple chat interface. Personal plans also let subscribers use Copilot in select apps with work files securely.
Visual and image AI: Copilot can generate images. Paid plans increase image-creation usage, and offer higher, extensive or highest usage for visual assistance based on a screen or camera. The stepped limits give heavier users a reason to upgrade, but do not make every plan equivalent.
Audio and agents: AI-generated audio is available in English, with usage levels that vary by plan. Premium includes limited agentic AI usage; Pro provides the highest usage. Copilot also supports AI bot generation.
Microsoft 365 bundle: Plans include Copilot, Word, Excel, PowerPoint, Outlook, OneNote, OneDrive, Defender and Teams. This is a meaningful advantage for people who need those apps and storage, but less compelling if they want only an AI assistant.

Pricing

Copilot is freemium. The free plan costs 0.00 USD per free and offers limited access subject to capacity and usage limits, so it is best for occasional use rather than dependable heavy workloads.

Microsoft 365 Personal — 99.99 USD per year: For one person, with 1 TB of cloud storage and sign-in on five devices at once. It includes a one-month free trial and renews automatically unless canceled in the Microsoft account. Choose it if one user wants the Microsoft 365 bundle and stronger Copilot access.
Microsoft 365 Family — 129.99 USD per year: Supports one to six people and up to 6 TB of storage, at 1 TB per person; each person can sign in on five devices. AI features are for the subscription owner only, so this is a family storage and app-sharing plan, not shared AI access. It renews automatically unless canceled; a free trial is offered.
Microsoft 365 Premium — 199.99 USD per year: Covers up to six people and up to 6 TB of storage, with extensive Copilot usage and access to features exclusive to Premium and Pro. AI remains limited to the subscription owner. It includes a one-month free trial and renews automatically unless canceled in the Microsoft account. This fits households seeking the higher AI tier alongside shared apps and storage.
Microsoft 365 Pro — 99.99 USD per month: Monthly billing only, for up to six people and up to 6 TB of storage, with the highest Copilot usage. AI is still for the subscription owner, so the high price is most defensible for a user who needs the top usage tier rather than shared AI access.

Personal plans work on PCs, Macs, phones and tablets. Across paid options, the main trade-off is that household size and storage can be shared while AI access and its usage limits remain tied to the subscriber.

Platforms

Copilot is available on the web, Windows, macOS, iOS and Android. Mobile apps extend access beyond a desk, while the Personal plan’s five-device sign-in allowance suits someone moving among a computer, phone and tablet.

Who it's for

Copilot is a strong fit for Microsoft 365 users who want an assistant within select apps, secure use with work files, and the included productivity suite and OneDrive storage. The free tier is a sensible starting point for occasional questions; frequent chat, visual assistance or agentic AI use points toward a paid tier. It is a weaker choice for families expecting every member to receive AI access, or for buyers who need a standalone assistant without the Microsoft 365 bundle.

Pros and cons

Pro: Chat, web search, file uploads, image generation and app integrations cover several common assistant tasks in one product.
Pro: Paid plans pair Copilot with Microsoft 365 apps and substantial cloud storage, making the subscription useful beyond AI.
Pro: Web, desktop and mobile availability supports use across common device types.
Con: Free access is limited by capacity and usage, while paid usage levels still vary by plan.
Con: Family and Premium plans share apps and storage, but Copilot access is restricted to the subscription owner.
Con: Pro costs 99.99 USD per month, a steep choice unless highest Copilot usage is important.
Con: AI audio generation is English only.

Alternatives

For a different route into AI tools, AI chatbots and assistants and AI Personal Assistants are relevant categories. Builders and platform-focused buyers can compare AI Agent Builders, AI Agent Platforms and Chatbot Builders.

Houston suits teams seeking a freemium automation workspace: its free plan supports up to three people, limited usage and 1,000+ integrations, and works with an existing AI subscription.
Automation Anywhere Document Automation is the more focused option for eligible small businesses needing document automation; its free Community Edition covers up to five machines and 100 pages per month.
UiPath Test Cloud is an alternative for software testing workflows, with a free trial and a Standard plan described as having no usage caps.
Wordware is a mobile and web alternative with a free plan and paid tiers that include iMessage and Slack connections, integrations and persistent memory.
Agentforce Vibes is another freemium option, available on web and mobile, with an included Salesforce Foundations plan and paid credit-based access.
Falcon Builder is a freemium option available through API and web.
Relevance AI is a web-based freemium alternative with a free tier that includes daily credits and a limited number of actions, users and projects.
Workato Agent Studio offers a freemium agent-building option through API and web, including a no-cost plan with one-time credits.

Verdict

Choose Microsoft Copilot if you want AI tools bundled with Microsoft 365 apps, storage and access across desktop and mobile. Its clearest weakness is that paid family capacity does not extend AI to other household members; look elsewhere if shared AI access or a lower-cost standalone assistant matters more than the Microsoft bundle.

	Knowbo	Microsoft Copilot
Free plan	No	Yes
Free trial	No	No
Paid from	$19/mo	$8.33/mo
Open source	No	No
Platforms	Web	Web, Windows, macOS, iOS, Android
Free plan	No	Yes
Paid from	$19/mo	$9.99/mo
Deployment channels	website	—
Knowledge-base answers	Yes	—
AI bot generation	—	Yes

Knowbo vs Microsoft Copilot

Knowbo

Microsoft Copilot