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Startups14,448Programs29

14,448 startups · 29 programs

OpenTag

Active · Model Agnostic AI coworker in Slack

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 7
  • went through YCProgram · this site+4
  • team of 3Team size · YC's directory+3.1

A sum of public facts, not a judgement and not investment advice.

Competitors

AIPlatziShared: never goes, goes stale, knowledgeYC W15San FranciscoStartup →AIArtisanShared: answer question, real work, takeYC W24San FranciscoStartup →AIVesenceShared: model agnostic, workYC X25San FranciscoStartup →AIscreenpipeShared: model agnostic, workYC S26San FranciscoStartup →OtherHatchwaysShared: real work, workflow automationYC S19TorontoStartup →
Companies closest to OpenTag
Company
PlatziShared: never goes, goes stale, knowledgeYC W15 +1ActiveAI
ArtisanShared: answer question, real work, takeYC W24ActiveAI
VesenceShared: model agnostic, workYC X25ActiveAI
screenpipeShared: model agnostic, workYC S26ActiveAI
HatchwaysShared: real work, workflow automationYC S19ActiveOther

Adjacent

AIOmnaraShared: model agnosticYC S25San FranciscoStartup →AIDecisional AIShared: workflow automation, coworkerYC S24San FranciscoStartup →AIComplyCoShared: model agnostic, full, realPlug and PlayUnited StatesStartup →AIAsideShared: real work, context, keepYC F25San FranciscoStartup →AICoArenaShared: real work, aiops, modelYC S26San FranciscoStartup →
Companies next to OpenTag
Company
OmnaraShared: model agnosticYC S25ActiveAI, Devtools
Decisional AIShared: workflow automation, coworkerYC S24ActiveAI
ComplyCoShared: model agnostic, full, realPlug and Play Not statedAI
AsideShared: real work, context, keepYC F25ActiveAI
CoArenaShared: real work, aiops, modelYC S26ActiveAI, Data, Devtools

Also from S26 in AI

All of S26
AINexGrok bot for GTM & Revenue teamsYC S26San FranciscoStartup →AIOneCLIAI teammates for your business-critical work.YC S26Tel Aviv-YafoStartup →AIAssembleAutonomous IT DeliveryYC S26San FranciscoStartup →AIAvoca SystemsThe AI operating system for radiology networksYC S26San FranciscoStartup →AIBillow AI LabsAI-native Accounting Firm that's killing DeloitteYC S26San FranciscoStartup →AICaptoBuild something the government wantsYC S26San FranciscoStartup →
Company
NexGrok bot for GTM & Revenue teamsteam of 5ActiveAI
OneCLIAI teammates for your business-critical work.ActiveAI, Devtools
AssembleAutonomous IT Deliveryteam of 4ActiveAI
Avoca SystemsThe AI operating system for radiology networksteam of 6ActiveAI
Billow AI LabsAI-native Accounting Firm that's killing DeloitteActiveAI
CaptoBuild something the government wantsteam of 2ActiveAI

Founders

  • Tony KamFounder/CEO
  • Wilson NguyenFounder
  • Shelden ShiFounder/CTO

About OpenTag

OpenTag is an AI coworker in your Slack with full context on your company. It answers questions and takes real work off your plate. It also keeps your wiki up to date automatically, so knowledge never goes stale.

YC batch
S26 · Summer 2026
Status, per YC
Active
Category
AI
Team size
3
Location
San Francisco, CA, USA
Founded
2026
Checked
6h ago

YC tags: AIOps, B2B, Workflow Automation, Enterprise Software, AI

Changes seen

TagsOct 8, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

OpenTag in S26: 229 companies, 88% AI

LinkedIn

OpenTag: questions

Which YC batch was OpenTag in?

OpenTag was in Y Combinator's Summer 2026 batch (S26).

Is OpenTag still active?

Y Combinator lists OpenTag as active.

Who founded OpenTag?

OpenTag's founders, as listed on its YC page: Tony Kam (Founder/CEO), Wilson Nguyen (Founder), Shelden Shi (Founder/CTO).

Where is OpenTag based?

OpenTag lists San Francisco, CA, USA as its location on YC's directory.