Best Microsoft 365 Copilot Alternatives in 2026

Why teams look for alternatives

Teams look for Microsoft 365 Copilot alternatives when their documents and email live outside Microsoft 365, or when they want a desktop agent that works directly with local files. Others want AI focused on one app such as Excel or Word, or prefer a single model provider's tools to Microsoft's mix of models.

Microsoft 365 Copilot brings AI into the core Microsoft 365 apps under one license and grounds it in the organization's own Microsoft 365 data. Chat answers quick questions, Agent Mode carries out multi-step edits inside Word, Excel and PowerPoint, and Cowork takes a delegated task and returns a finished result. Plans start from $21/mo billed annually.

Choose Microsoft Copilot Cowork when you want Microsoft's agent for delegated, multi-step work across Outlook, Teams, Excel, PowerPoint and Word, grounded in Work IQ and running on Anthropic and OpenAI models.

Choose Claude Cowork when you want Anthropic's agent on web, desktop and mobile that reads, edits and creates files, runs shell commands, schedules recurring tasks, and connects to Microsoft 365, Google Drive, Gmail and Slack.

Choose Claude for Excel when your main need is spreadsheet work: it reads multi-tab workbooks, answers with cell-level citations, debugs formulas and builds models inside Excel.

Choose Claude for Word when your main need is document work inside Word: reviewing long documents with clickable citations, editing passages in place, and handling tracked changes and counterparty redlines.

Choose Claude for PowerPoint when you need slides built inside PowerPoint that follow an existing deck's layouts, fonts and theme, including diagrams and native charts.

Choose Gemini when your team works in Google Workspace rather than Microsoft 365. It connects to Gmail, Docs, Sheets, Slides and Drive, with plans starting from $4.99/mo.

Choose Notion AI when your team's knowledge work lives in Notion. It includes custom agents, enterprise search across Slack, Google Drive, GitHub and Jira, and an MCP server. Plans start from $20/mo billed annually.

The choice mostly follows where your work already lives. Organizations standardized on Microsoft 365 get AI across the whole suite from Microsoft 365 Copilot, with Microsoft Copilot Cowork for longer delegated work. Teams that want AI focused on one Office app can look at the three Claude add-ins, and teams working mainly outside Microsoft 365 can compare Claude Cowork, Gemini and Notion AI.

Microsoft 365 Copilot

by Microsoft

Currently reviewing

Microsoft's AI assistant in Word, Excel, PowerPoint, Outlook and Teams, grounded in your work data. Chat, Cowork and Agent Mode on OpenAI and Anthropic models. Business from $21/user/mo.

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