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Comparison · Collab
Slack vs Tana
A side-by-side editorial comparison of Slack and Tana — release velocity, themes, recent moves, and the top alternatives to consider.
Slack vs Tana: at a glance
What is Slack?
Slack raises the Marketplace bar back to ten installs while the agent platform consolidates.
Slack's developer platform runs two tracks. The agent build-out has produced a spark roughly every two weeks since June — MCP client, a skills plugin targeting Claude Code and Cursor, and Slack Code — and now has a consolidation date attached: assistant_view is deprecated in February 2027, replaced by an Agent Sessions API. The second track is platform administration and tooling, and this window belongs to it: Marketplace submissions again require at least ten installed active workspaces, held throughout the review, after a period at a lower temporary threshold. The CLI has shipped three times since late July.
What is Tana?
Tana's voice agent starts doing concurrent background work inside live meetings.
Tana has spent the visible window building around the meeting rather than the note. The 28 August release turns the voice agent from an input method into a background worker: several requests run at once while the conversation continues, it acts in connected tools, and it reads the day's agenda, pinned items, captured outcomes and the shared screen for context. Around that sit a natural-language search that resolves plain questions into filter pills, a saveable search document, and a long tail of meeting-surface refinements.
Slack vs Tana: editorial side-by-side
Slack
6.3COMMSCOLLAB
Slack raises the Marketplace bar back to ten installs while the agent platform consolidates.
◆ Current state
Slack's developer platform runs two tracks. The agent build-out has produced a spark roughly every two weeks since June — MCP client, a skills plugin targeting Claude Code and Cursor, and Slack Code — and now has a consolidation date attached: assistant_view is deprecated in February 2027, replaced by an Agent Sessions API. The second track is platform administration and tooling, and this window belongs to it: Marketplace submissions again require at least ten installed active workspaces, held throughout the review, after a period at a lower temporary threshold. The CLI has shipped three times since late July.
◆ Where it's heading
The install requirement moving back up is a distribution decision arriving in the middle of a platform push, and the two point the same way. Slack is making it easier to build agents and harder to list one, which favours developers who already have distribution — existing workspace tools and vendors — over a new app hoping the Marketplace supplies its first users. Combined with the assistant deprecation and the Agent Sessions API, the platform is narrowing on one agent surface and one class of builder rather than widening the funnel.
◆ Prediction
The threshold is described as a return from a temporary lower bar rather than a new policy, so the open question is what replaces the Marketplace as the discovery path for an app that cannot reach ten workspaces on its own. These entries do not answer it.
Tana
7.5COLLAB
Tana's voice agent starts doing concurrent background work inside live meetings.
◆ Current state
Tana has spent the visible window building around the meeting rather than the note. The 28 August release turns the voice agent from an input method into a background worker: several requests run at once while the conversation continues, it acts in connected tools, and it reads the day's agenda, pinned items, captured outcomes and the shared screen for context. Around that sit a natural-language search that resolves plain questions into filter pills, a saveable search document, and a long tail of meeting-surface refinements.
◆ Where it's heading
The through-line since July is Tana claiming the meeting itself — first as the default place to hold the call, then as the system that notices unscheduled ones, and now as an agent doing work during them. Each release has moved further from recording what happened toward acting while it happens. The supporting work is consolidating too: one transcript, one digest timeline, one filter bar, which is the housekeeping that follows a surface being used seriously.
◆ Prediction
Expect the concurrent agent to be given more tools to act in and the daily brief to grow beyond Slack, since both are described as user-editable rather than fixed. The open question these entries do not settle is how Tana handles an agent that edits documents mid-meeting when it gets one wrong.
Slack alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Slack.
Element X Android
Element X Android ships roughly weekly, alternating real features with fix rounds
Wire
Calling is the one surface Wire's web client touches in every documented release.
Zoho Cliq
Zoho retells Cliq 7.0 as an AI story, and lets customers pick whose model tells it.
Rocket.Chat
Rocket.Chat finishes the 8.8 calling work while the licence wall for SSO gets a date.
Bandwidth
Bandwidth sells trust in the call, and self-service everywhere it used to sell tickets.
Tana alternatives
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Tap any card for the full editorial trajectory or compare directly with Tana.
Hive
Hive is building the plumbing its Buzz AI snippets need to run on real team data
Mattermost
Mattermost is selling sovereignty and air-gapped AI, with releases buried in the argument
Paperless-ngx
Paperless-ngx is patching hard behind a 3.1 release that made AI a workflow step
Read the Docs
Read the Docs ships a dated release every week, and this one is documentation and dependencies
Zoho Sign
Zoho Sign is clearing the exit path off Docusign while stacking up regional legal assurance
Jellyfin
Seven candidates in, 12.0 is still trading features for correctness in the metadata layer.
Recent activity from Slack and Tana
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoSlackUpdated installation requirement for Slack Marketplace apps
- 2d agoSlackCLI adds app-approval status checks and custom app icons
- 5d agoTanaMultitasking voice agent, natural language search and daily briefs ⚡
- 12d agoTanaA clearer transcript, and proposals you can fix in place
- 13d agoSlackAnnouncing Slack Code ⚡
- 13d agoSlackAgent Sessions API replaces assistant_view, deprecated Feb 2027
- 14d agoTanaTana notices the meetings you didn't schedule ⚡
- 29d agoTanaAI chat goes further before hitting usage limits
- 1mo agoSlackAnnouncing the Slack MCP and Skills Plugin ⚡
- 1mo agoSlackCLI adds manifest diff and a Block Kit preview command
- 1mo agoTanaAsk the AI to pin things for you
- 1mo agoTanaStart, schedule, or capture external meetings right from Today ⚡
Frequently asked questions
What is the difference between Slack and Tana?
They serve adjacent needs but don't currently overlap on shipped themes. Tana is currently shipping more aggressively (velocity 7.5 vs 6.3), with 2 editorial sparks in the last 30 days against 1. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Slack better than Tana?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Tana is currently shipping more aggressively (velocity 7.5 vs 6.3), with 2 editorial sparks in the last 30 days against 1. For your specific use case, the alternatives sections above list other Collab products to evaluate alongside.
What are the best alternatives to Slack?
Top Slack alternatives in Collab are ranked by recent ship velocity. Browse the "Slack alternatives" section above for the current picks, or visit /alternatives/slack for the full list with editorial commentary on each.
What are the best alternatives to Tana?
Top Tana alternatives in Collab are ranked by recent ship velocity. Browse the "Tana alternatives" section above for the current picks, or visit /alternatives/tana for the full list with editorial commentary on each.