Microsoft Copilot (Microsoft 365) alternatives: 10 tools compared (October 2026)

Gemini in Google Workspace brings Google's AI assistant into Gmail, Docs, Sheets, Meet and Drive and adds the standalone Gemini app, for companies that already run their office work on Google Workspace.

Key functions

• Gemini app for chat, drafting and analysis
• Gemini in Gmail, Docs, Sheets, Slides, Drive and Meet
• Gemini Notebook summarizes documents and turns them into visual aids

Compared with Microsoft Copilot (Microsoft 365)

• Offers a free trial; we found none for Microsoft Copilot (Microsoft 365).
• Starts lower: from €6.80 per user/month, Microsoft Copilot (Microsoft 365) from €18.20 per user/month.
• Strong in the same markets as Microsoft Copilot (Microsoft 365): United States.

Check before buying: Gemini respects existing Workspace sharing rights, so review folder and drive permissions before rollout, since the assistant can surface anything a user can open. The pricing page does not state data regions; ask Google which data location options your edition includes. Check which Gemini functions your plan tier covers.

Glean is an enterprise search and AI assistant platform that connects to a company's apps and answers questions from internal knowledge while respecting each user's permissions. It targets large organizations and adds agents that automate work across teams.

Key functions

• Search across documents and data in all connected apps, permission-aware
• Glean Assistant answers questions from company knowledge
• Glean Agents automate workflows across teams

Compared with Microsoft Copilot (Microsoft 365)

• Built for larger organizations than Microsoft Copilot (Microsoft 365)'s smallest customers.
• Strong in the same markets as Microsoft Copilot (Microsoft 365): United States.

Check before buying: Pricing is only available on request, so ask for a quote that covers connectors and agent use. The public pages do not name hosting regions; ask where data is stored and whether a deployment in your own cloud tenant fits your setup. Check permission hygiene in source systems first, since search reflects existing access rights.

Knowledge Work Plugins are open-source plugins from Anthropic that turn Claude into a specialist for a job function. Each plugin bundles skills, slash commands, connectors and sub-agents for roles such as sales, legal, finance or customer support.

Key functions

• Role plugins with skills and slash commands, for example for sales, legal, finance, support and marketing
• MCP connectors to tools such as Slack, HubSpot, Jira, Snowflake or Microsoft 365
• A plugin for customizing and building your own company plugins

Compared with Microsoft Copilot (Microsoft 365)

• Strong in the same markets as Microsoft Copilot (Microsoft 365): United States.

Check before buying: Review which connectors a plugin enables, since they give Claude access to CRMs, mail and data warehouses under the user's permissions. Adapt the plugins to your own processes before rollout. Outputs such as contract assessments or journal entries need review by a qualified person. The Apache 2.0 license allows internal changes.

Cohere North is an enterprise AI platform from Toronto-based Cohere for search, content generation and agents on company data, built for organizations that need private or on-premises deployment.

Key functions

• Search with verifiable answers from company data
• Creates documents, summaries, tables and charts
• Customizable AI agents for workflows

Compared with Microsoft Copilot (Microsoft 365)

• Built for larger organizations than Microsoft Copilot (Microsoft 365)'s smallest customers.
• Strongest elsewhere: Canada.

Check before buying: Pricing is by quote only. Decide early between cloud, VPC and on-premises operation, since the latter requires your own GPU infrastructure and operations team. Cohere states customers can opt out of model training at any time; confirm the setting in your contract.

Dust is a platform for building AI agents that work with a company's own data and tools, aimed at teams that want to create assistants for their workflows without programming, with EU or US hosting.

Key functions

• Custom agents on more than 20 models including GPT, Claude, Gemini, Mistral and DeepSeek
• Connectors to company data
• Remote MCP servers

Compared with Microsoft Copilot (Microsoft 365)

• Headquartered in France, Microsoft Copilot (Microsoft 365) in United States.
• Starts higher: from €24 per user/month, Microsoft Copilot (Microsoft 365) from €18.20 per user/month.
• Strongest elsewhere: France.

Check before buying: Business includes up to 3 connectors and 5 remote MCP servers, so count the systems you want to connect. Credits reset monthly without rollover. Dust's privacy policy notes that data may be transferred to the United States; review the subprocessor list.

Langdock is a Berlin-based AI platform that gives companies chat, configurable agents, workflows and API access to many language models in one EU-hosted workspace, from small teams to organizations with more than 1,000 users.

Key functions

• Agents grounded in uploaded company knowledge for recurring tasks and team workflows
• More than 25 native connectors and MCP support; MCP tools become agent actions with confirmation
• Workflows for AI automations, 2,500 runs a month included

Compared with Microsoft Copilot (Microsoft 365)

• Offers a free trial; we found none for Microsoft Copilot (Microsoft 365).
• Headquartered in Germany, Microsoft Copilot (Microsoft 365) in United States.
• Starts higher: from €25 per user/month, Microsoft Copilot (Microsoft 365) from €18.20 per user/month.

Check before buying: Check which models run in the EU and which in global regions, and decide which ones may process personal data. Workflows and API access cost extra, and the governance package becomes paid from January 1, 2027. In Germany, agents that analyze employee data involve the works council. Langdock provides its DPA through the trust center.

meinGPT is an AI workspace for German small and midsize companies from SelectCode GmbH near Munich, offering chat, custom assistants, meeting notes and workflows with hosting in Germany and the EU.

Key functions

• Chat and file analysis with several models
• Meeting transcription and summaries
• Custom assistants

Compared with Microsoft Copilot (Microsoft 365)

• Offers a free trial; we found none for Microsoft Copilot (Microsoft 365).
• Headquartered in Germany, Microsoft Copilot (Microsoft 365) in United States.
• Starts lower: from €18 per user/month, Microsoft Copilot (Microsoft 365) from €18.20 per user/month.

Check before buying: Plan the model budget on top of the license, since it is billed separately. At our check in September 2026 the pricing page mentioned Microsoft, Google and magic-link login but no dedicated SAML SSO; ask the vendor if you need it. Ask which model providers process data and where.

Mistral Vibe, known as Le Chat until 2026, is the AI assistant of the Paris model developer Mistral AI for work and coding tasks, with EU data hosting by default and on-premises options for enterprises.

Key functions

• Research across the web, internal documents and connected tools
• Creates and edits PDFs, decks and reports
• More than 100 tools via connectors and MCP

Compared with Microsoft Copilot (Microsoft 365)

• Headquartered in France, Microsoft Copilot (Microsoft 365) in United States.
• Different pricing model: freemium instead of per user.
• Strongest elsewhere: France.

Check before buying: Some features can temporarily transfer data outside the EU to subprocessors listed in Mistral's trust center; Enterprise customers can switch off some of these features at organization level. SAML SSO is only listed for Enterprise. Review the public data processing addendum before rollout.