Limits, pricing history. Verified October 2026. Last updated 2026-11-09.
Slack's free tier offers Slack's free plan includes 90 days of message history, up to 10 apps, 1:1 meetings and 1:1 external messages… We rate it stable. All 2 records we hold were our own errors and have been withdrawn.
The day we last read the vendor's page. The terms we publish were last confirmed on 2026-10-18.
Free Tier Details
Slack's free plan includes 90 days of message history, up to 10 apps, 1:1 meetings and 1:1 external messages. It does not include AI features, SAML-based single sign-on or SCIM user management. AI conversation summaries start on Pro. SAML-based single sign-on and SCIM user management start on Business+.
We read that on 2026-11-09 from https://slack.com/pricing, and our check recorded: the page names Slack as "slack" and states "$0".
From slack.com/pricing, read 2026-11-09:
Free A simpler way to chat and collaborate $0 USD free forever Get Started Get Started 90 days of message history Messages are saved and searchable for 90 days. Upgrade to access the previous 12 months messages. Up to 10 apps
Retracted — this record was our error (2026-10-19). Retracted 2026-10-19: Slack's pricing page shows AI conversation summaries, SAML-based single sign-on and SCIM user management greyed out on the Free plan, and the reading took those rows as included. Pro adds AI conversation summaries; SAML-based single sign-on and SCIM user management start on Business+. Unconfirmed. We could not check this change against an archived copy of Slack's page, so it does not count toward the rating.Source ↗
Retracted — this record was our error (2026-10-19). Retracted 2026-10-19: Slack's pricing page shows AI conversation summaries greyed out on the Free plan, and the reading took the AI features as included. 1:1 external messages are on the Free plan, but we hold no date for when Slack added them. Unconfirmed. We could not check this change against an archived copy of Slack's page, so it does not count toward the rating.Source ↗
We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.
Yes, Slack offers a free tier: Free. Slack's free plan includes 90 days of message history, up to 10 apps, 1:1 meetings and 1:1 external messages. It does not include AI features, SAML-based single sign-on or SCIM user management. AI con...
What is Slack's free tier?
Slack's free tier is called "Free". Slack's free plan includes 90 days of message history, up to 10 apps, 1:1 meetings and 1:1 external messages. It does not include AI features, SAML-based single sign-on or SCIM user management. AI conversation summaries start on Pro. SAML-based single sign-on and SCIM user management start on Business+.
Is Slack's free tier reliable?
Slack's free tier is considered stable. All 2 records we hold were our own errors and have been withdrawn. See the pricing history below.
Is Slack's free tier good for production?
Slack's free tier can be suitable for small production workloads and side projects. We rate it stable and it offers Slack's free plan includes 90 days of message history, up to 10 apps, 1:1 meetings and 1:1 external messages…, so it's a reasonable starting point. All 2 records we hold were our own errors and have been withdrawn. Monitor your usage against the limits and have an upgrade plan ready.
What changed in Slack's pricing?
All 2 records we hold were our own errors and have been withdrawn.
When will I outgrow Slack's free tier?
At 10 apps, you'll need to upgrade. When you outgrow the free tier, evaluate paid plans against alternatives — sometimes a competitor's free tier covers what you need.
What category is Slack in?
Slack is categorized under Communication & Messaging on AgentDeals.