OpenTag
AI coworker for Slack that uses a team's company knowledge and connected tools to answer questions, complete tasks and automate recurring work, running cloud agents from the team's chat; operated by Open Curiosity, Inc.
San Francisco, USAProduct
Selected offerings — the AI products recorded here, not the vendor's full catalogue.
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AI coworker that a team adds to Slack, which runs cloud agents from the chat to search company knowledge and connected tools, answer questions, do delegated tasks, keep a company wiki current and run recurring work as automations, asking for approval before actions with meaningful consequences; sold as a 7-day free trial, a Team subscription from $50 to $2,000 a month in credits, and a custom Enterprise plan.
Similar products 27
No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.
GumloopEarly-stageOpenTag and Gumball both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareG
GBrainUndisclosedOpenTag and GBrain both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.2 of 3 capabilitiesDifferent layerCompareA
AlmanacUndisclosedOpenTag and Almanac both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.2 of 3 capabilitiesDifferent layerCompareW
WorkdayPublicOpenTag and Deployment Agent both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded.3 of 3 capabilitiesShared product typeCompareTTurnstoneUndisclosedOpenTag and Turnstone both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareA
AntinuousUndisclosedOpenTag and Antinuous both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareP
PlutoUndisclosedOpenTag and Pluto both serve buyers who need to use an everyday AI assistant; scale not recorded for either.Shared product typeCompareLS
LM StudioUndisclosedOpenTag and LM Studio Bionic both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareM
MicrosoftPublicOpenTag and Idea Coach both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded.3 of 3 capabilitiesShared product typeCompareP
PalantirPublicOpenTag and AIP Assist both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded.3 of 3 capabilitiesShared product typeCompareML
Mintplex LabsUndisclosedOpenTag and AnythingLLM Mobile both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareS
SlackUndisclosedOpenTag and Slackbot both serve buyers who need to use an everyday AI assistant; scale not recorded for either.2 of 3 capabilitiesShared product typeCompareEM
Egoist MachinesUndisclosedOpenTag and AI Passport both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.1 of 3 capabilitiesDifferent layerCompareA
AiseraAcquiredOpenTag and GenIQ both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded; Aisera is acquired, with no independent scale; ships agent platform and application rather than the same layer.3 of 3 capabilitiesDifferent layerCompareS
SuperhumanUndisclosedOpenTag and Superhuman Go both serve buyers who need to use an everyday AI assistant; scale not recorded for either.2 of 3 capabilitiesShared product typeCompareA
AmazonPublicOpenTag and Amazon Business Assistant both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded.3 of 3 capabilitiesShared product typeCompareK
KorsoUndisclosedOpenTag and Korso both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.Different layerCompareA
ArenaLate-stageOpenTag and Arena both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded; ships application rather than the same layer.Different layerCompareY
You.comLate-stageOpenTag and You.com both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded; ships API service and application rather than the same layer.1 of 3 capabilitiesDifferent layerCompareL
LogosGuardUndisclosedOpenTag and LogosGuard AI Privacy Shield both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application and infrastructure service rather than the same layer.Different layerCompareE
Evergreen.aiUndisclosedOpenTag and Evergreen.ai both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.Different layerCompareW
WonderingUndisclosedOpenTag and Wondering both serve buyers who need to use an everyday AI assistant; scale not recorded for either; ships application rather than the same layer.Different layerCompareS
Sapia.aiUndisclosedOpenTag and Phai both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareN
NaverPublicOpenTag and AI Tab both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded; ships application rather than the same layer.Different layerCompareC
CerencePublicOpenTag and Cerence Assistant both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded.1 of 3 capabilitiesShared product typeCompareQ
QuoraEarly-stageOpenTag and Poe both serve buyers who need to use an everyday AI assistant; OpenTag's scale not recorded; ships API service and application rather than the same layer.Different layerCompareW
WritesonicUndisclosedOpenTag and Chatsonic both serve buyers who need to use an everyday AI assistant; scale not recorded for either.1 of 3 capabilitiesShared product typeCompareClosest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.
Sources
- Total funding
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Pages read for this record state no funding total. Tried the home, pricing, terms and privacy pages and the company's YC profile.
- Valuation
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Pages read for this record state no valuation. Tried the home, pricing, terms and privacy pages and the company's YC profile.
- Founded
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Company disclosure · 20 Oct 2026
Own YC profile lists Founded: 2026; tryopentag.com states no founding year.
- Public listing
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No listing on the pages read; treated as private.
- Description
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Official documentation · 20 Oct 2026
Home page: "OpenTag is an AI coworker for Slack that uses your company knowledge and connected tools to answer questions, complete tasks, and automate recurring work." The terms name Open Curiosity, Inc. as the party providing the service.
Something wrong here? Send a correction — quote this company id: opentag.