Slack
Slack raises the Marketplace bar back to ten installs while the agent platform consolidates.
Comparison · Collab
Capacities vs Tana
A side-by-side editorial comparison of Capacities and Tana — release velocity, themes, recent moves, and the top alternatives to consider.
Capacities vs Tana: at a glance
What is Capacities?
AI stopped being a bundled feature at Capacities and became the thing you buy more of
Capacities ships a numbered release every few weeks across its knowledge-base app — objects, tabs, the editor, presentation mode — with AI threaded through most of them. Recent releases added a choice of AI model provider, chat connectors, image analysis for Pro users, and in July a full public API. The newest release introduces Pro+ and Believer+, optional paid add-ons that raise the monthly AI budget and sell top-ups on top of it.
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.
Capacities vs Tana: editorial side-by-side
Capacities
3.8COLLAB
AI stopped being a bundled feature at Capacities and became the thing you buy more of
◆ Current state
Capacities ships a numbered release every few weeks across its knowledge-base app — objects, tabs, the editor, presentation mode — with AI threaded through most of them. Recent releases added a choice of AI model provider, chat connectors, image analysis for Pro users, and in July a full public API. The newest release introduces Pro+ and Believer+, optional paid add-ons that raise the monthly AI budget and sell top-ups on top of it.
◆ Where it's heading
Two arcs are converging. The first opened the product up: API 2.0 made the knowledge base programmable, and connectors let outside assistants reach it. The second is now closing around cost — AI has moved from a bundled capability to a budgeted one, and the new tiers charge for consumption rather than for features. Read together, Capacities is treating the knowledge base as the durable asset and inference as a metered resource priced separately from it.
◆ Prediction
Expect AI budget to become an explicit dimension of the plan comparison, with limits and top-up sizing tuned in follow-up releases. The entries do not show how the budget is measured, so the unit being sold remains unclear.
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.
Alternatives to Capacities and Tana
Other Collab products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Capacities or 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
See all Capacities alternatives → · See all Tana alternatives →
Recent activity from Capacities and Tana
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5d agoTanaMultitasking voice agent, natural language search and daily briefs ⚡
- 12d agoTanaA clearer transcript, and proposals you can fix in place
- 14d agoTanaTana notices the meetings you didn't schedule ⚡
- 16d agoCapacitiesCapacities Pro+ and Believer+ ⚡
- 29d agoTanaAI chat goes further before hitting usage limits
- 1mo agoTanaAsk the AI to pin things for you
- 1mo agoCapacitiesReliability polish across dates, tabs, editor, and presentation mode
- 1mo agoTanaStart, schedule, or capture external meetings right from Today ⚡
- 1mo agoCapacitiesCapacities API 2.0, Weblink Analysis, and Presentation Mode ⚡
- 2mo agoCapacitiesAI Chat Connectors 2.0 + Many improvements
- 3mo agoCapacitiesBulk Import for Everyone, Image Analysis for Pro, and Continuous Improvements
- 4mo agoCapacitiesRecurring Tasks and Choose Your Capacities AI Model Provider
Frequently asked questions
What is the difference between Capacities and Tana?
They serve adjacent needs but don't currently overlap on shipped themes. Tana is currently shipping more aggressively (velocity 7.5 vs 3.8), 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 Capacities 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 3.8), 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 Capacities?
Top Capacities alternatives in Collab are ranked by recent ship velocity. Browse the "Capacities alternatives" section above for the current picks, or visit /alternatives/capacities 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.