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Communication

Grain vs Slack: Pricing Comparison 2026

Side-by-side pricing comparison of Grain and Slack. See all plans, features, and costs at a glance.

Bottom line: Slack starts at $8.75/mo, making it $6/mo cheaper than Grain ($15/mo). Grain offers a free plan.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Grain freeTry Slack freePrice updated 11d agoPrice updated 11d ago
Best Value

Slack - Slack offers a free plan, starts at $6.25/mo lower ($8.75/mo vs $15/mo), offers 4 tiers vs 3.

Grain vs Slack: Quick Pricing Facts

FeatureGrainSlack
Starting Price$15/mo$8.75/mo
Number of Plans34
Free TierYesYes
Pricing Modelfreemiumper-seat
Annual DiscountN/AN/A

Slack is the more affordable option, starting at $8.75/mo compared to Grain's $15/mo. Both are Communication tools with 7 combined pricing plans and 60 features compared.

Both tools offer free plans, making them accessible for teams on a budget. Grain uses freemium pricing while Slack uses per-seat pricing, which may affect your total cost at scale.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Communication needs.

Pricing Plans
Grain
Slack
Tier 1
Free
$0/monthCheapest
Start with Free
Free
$0/monthCheapest
Includes
  • 90 days of message history
  • Up to 10 apps
  • 1:1 meetings
  • 1:1 external messages
  • Basic AI
  • AI conversation summaries
  • Slackbot (personal AI agent)
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Free
Tier 2
Starter
$15/month
Start with Starter
Pro
$9/monthCheapest
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Basic AI
  • AI conversation summaries
  • Slackbot (personal AI agent)
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Pro
Tier 3
Enterprise
Custom pricing
Start with Enterprise
Business+Popular
$18/monthCheapest
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Advanced AI
  • AI conversation summaries
  • Slackbot (personal AI agent) NEW
  • AI workflow generation
  • AI search
  • AI daily recaps
  • AI file summaries
  • SAML-based single sign-on
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Business+
Tier 4
-
Enterprise+
Custom pricing
Includes
  • Unlimited message history
  • Unlimited app integrations
  • Group meetings
  • Group external messages
  • Enterprise-Grade AI
  • AI conversation summaries
  • Slackbot (personal AI agent) NEW
  • AI workflow generation
  • Enterprise search
  • AI daily recaps
  • AI file summaries
  • Multiple SAML configurations
  • SCIM user management
  • EMM integration support
  • Native data loss prevention
Start with Enterprise+

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Grain

AI meeting recording with highlights and shared clips

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Slack

Channel-based messaging platform for teams

View all Slack plans

What Reviewers Say

Frequently Asked Questions: Grain vs Slack

Which is cheaper, Grain or Slack?
As of July 2026, Slack starts at a lower price point. Grain starts at $15/mo while Slack starts at $8.75/mo. However, the best value depends on the features you need at each tier.
How many pricing plans does Grain have vs Slack?
Grain offers 3 pricing plans, while Slack offers 4 plans. More plans typically means more flexibility to match your exact needs and budget.
Does Grain or Slack offer a free plan?
Yes, both Grain and Slack offer free plans. Compare the feature limits of each free tier to see which better fits your use case before upgrading.
What is the most popular Slack plan?
The Business+ plan is Slack's most popular tier, priced at $18/mo. Key features include Unlimited message history, Unlimited app integrations, Group meetings.
Does Grain or Slack offer custom enterprise pricing?
Yes, both Grain and Slack offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
What pricing models do Grain and Slack use?
Grain uses a freemium pricing model, while Slack uses per-seat pricing. The right model depends on your team size and usage patterns.
How do Grain and Slack compare for Communication?
Both Grain and Slack are Communication tools. Grain offers 3 plans starting at $15/mo, while Slack offers 4 plans starting at $8.75/mo. Review the feature breakdowns above to see which better fits your Communication needs.
AI Recommendations

Sources

  1. Grain Official Pricing- Vendor pricing page
  2. Slack Official Pricing- Vendor pricing page

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