Slack vs Wire
Price, platforms and features side by side. The table says where each price was read and when.
Slack
Channel-based team messaging with huddles, workflows and AI
Wire
End-to-end encrypted messaging and calls for organizations
Where they differ
- Slack starts at $7.25 per user / month, billed annually. Wire starts at €7.45 per person / month, paid annually.
- Wire is open source, self-hostable and end-to-end encrypted, according to its own site.
- Slack also covers workflow automation and documents.
At a glance
| Slack | Wire | |
|---|---|---|
| Pricing | Free plan | Free plan |
| Starts at | $7.25 per user / month, billed annually | €7.45 per person / month, paid annually |
| Free plan | 90 days of searchable message history, up to 10 app integrations, and huddles and external Slack Connect messages limited to 1:1. | Wire for Free: teams of up to 5 people with collaboration essentials on all platforms and up to 8 devices. It cannot start conference calls with more than 2 participants. |
| Free trial | None listed | None listed |
| Web | ||
| macOS | ||
| Windows | ||
| Linux | ||
| iOS | ||
| Android | ||
| Made by | Slack Technologies, LLC, a Salesforce company | Wire Swiss GmbH |
| Price read from | slack.com | wire.com |
| Checked | Oct 9, 2026 | Oct 6, 2026 |
Who each one suits
Slack
- Teams that want conversations organized by channel rather than email threads
- Companies that work with outside partners in shared channels
- Organizations that already run on Salesforce
- Teams that connect many third-party apps to their chat
Wire
- Organizations that need end-to-end encryption for messages, calls and files
- Governments and regulated sectors that require on-premises deployment
- Teams that bring outside partners in as guests or externals
- NGOs, which are offered a 40% discount
Worth knowing
Slack
- The Free plan keeps only 90 days of message history searchable, allows 10 apps, and limits huddles and Slack Connect to 1:1.
- SAML single sign-on and SCIM start at Business+; ongoing Slackbot access is on Business+ and Enterprise+, with a limited trial on Free and Pro.
- Enterprise search, multiple SAML configurations and native data loss prevention are limited to Enterprise+, listed at $45 per user / month paid annually and bought through sales.
- In a browser, huddles are supported only in Chrome and Firefox.
Wire
- Prices are listed in euros only.
- Wire for Free stops at 5 team members and cannot start a conference call with more than 2 participants.
- The SMB plan covers teams of up to 100 people; larger organizations need a custom Enterprise quote.
- The Linux desktop app is a community-supported experimental build, and browser calling works only in Chrome.
Key features
Slack
- Channels and direct messages
- Conversations are organized into channels for each project, topic or team, alongside direct messages. Paid plans keep the full message and file history searchable; Free keeps 90 days.
- Huddles and clips
- Huddles are audio and video meetings with screen sharing, 1:1 on Free and for groups on paid plans. Clips are recorded audio or screen updates shared in a conversation.
- Slack Connect
- Message people outside the company. Free allows 1:1 external direct messages; paid plans add group chats and shared channels with up to 250 organizations.
- Canvases and lists
- A canvas holds text, files, images and video inside Slack, and lists are used to manage projects and organize tasks with teammates.
- Workflow Builder and apps
- Workflow Builder automates routine processes without code, and the app directory lists more than 2,600 apps. A Free workspace can connect up to 10 of them.
- AI in Slack
- Pro includes AI conversation summaries. Business+ adds AI search, daily recaps, file summaries, workflow generation and the Slackbot personal agent, subject to plan limits.
Wire
- Encrypted messaging
- Group and 1:1 conversations with search, reactions, sketches, audio and video messages and self-deleting messages, all end-to-end encrypted with MLS.
- Calls and conferences
- Audio and video conferencing for up to 150 participants on web, desktop and mobile, with screen sharing and moderation tools such as muting participants.
- Wire Drive
- Integrated file management and online document collaboration, with files kept inside conversations tied to verified group membership.
- Guests and externals
- Externals are team members with limited access rights, while guests can join a conversation from a web browser without an account.
- Cloud, on-premises or hybrid
- Wire can be deployed in its cloud, on your own infrastructure or both, and federation lets separate Wire backends interact as if they were one.
- SSO, SCIM and admin controls
- Paid plans add SAML-based single sign-on, SCIM provisioning, administrative controls and feature configurations such as restricting file sharing.
Plans
Slack
Free$0
90 days of message history, up to 10 app integrations, and 1:1 huddles and external messages.
Pro$7.25
per user / month, billed annually ($8.75 billed monthly)
Unlimited message history and app integrations, group huddles, Slack Connect channels with up to 250 organizations, and AI conversation summaries.
Business+$15
per user / month, billed annually ($18 billed monthly)
Adds AI search, daily recaps, file summaries and workflow generation, the Slackbot agent, SAML single sign-on and SCIM user management.
Enterprise+$45
per user / month, billed annually
Bought through sales. Adds enterprise search across connected apps, multiple SAML configurations, EMM support, native data loss prevention and unlimited workspaces.
Wire
Wire for Free€0
For small teams of up to 5 people: collaboration essentials on all platforms and up to 8 devices.
Wire for SMB€7.45
per person / month, paid annually (€8.94 paid monthly)
Teams of up to 100 people. Video conferences with up to 150 participants, SSO and SCIM, administrative controls, and external and guest roles.
Wire for EnterpriseCustom
More than 100 people. Federation with Wire Cloud, ID Shield, full deployment support, data sovereignty and multi-tenancy.
Ways to pay less
Slack
- Annual discount
About 17% less with annual billing
Pro is $7.25 per user / month paid annually against $8.75 paid monthly, and Business+ is $15 against $18. Salesforce's Slack pricing page puts the saving at approximately 16%.
- Other savings
50% off the first 3 months for new teams
A limited-time offer for teams that buy Pro or Business+ online within 7 days of creating the workspace. It applies to monthly billing only, and standard pricing follows after 3 months.
- Nonprofit
Free or 85% off for eligible nonprofits
Eligible nonprofits get a free Pro upgrade for workspaces with 250 or fewer members and 85% off above that size. Business+ is 85% off at any size.
- Education
85% off for educational institutions
The Slack for Education program gives approved institutions an 85% discount on the Pro or Business+ plan, applied at checkout.
- By country
Lower price shown to buyers in India
On October 9, 2026 Slack's pricing page showed a reader in India Pro at ₹245.25 per user / month paid yearly, beside a crossed-out ₹545. Its US page lists Pro at $7.25 per user / month paid annually.
Wire
- Annual discount
About 17% less with annual payment
Wire for SMB costs €7.45 per person / month with annual payment against €8.94 with monthly payment.
- Nonprofit
40% discount for NGOs
Wire's pricing FAQ says it offers NGOs a 40% discount, applied for by contacting the company.
