Workers IO
YC F26 · Active · Simulation Environments for Verifying Mission Critical Software
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 PolymathShared: simulation environmentActiveAI | AI | Active | YCW26 |
 Patronus AInot in a program hereShared: simulation environmentElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Preference ModelsShared: infrastructure, environmentNot statedDevtools | Devtools | Not stated | SPC2025 |
 One RobotShared: simulation environmentActiveOther | Other | Active | YCW26 |
 HatchetShared: infrastructure, critical, missionActiveAI, Devtools | AI, Devtools | Active | YCW24 |
 ReflexShared: infrastructure, critical, missionActiveAI, Devtools | AI, Devtools | Active | YCW23 |
 PlaygentShared: infrastructure, critical, environmentActiveAI, Devtools | AI, Devtools | Active | YCS25 |
Also from F26 in AI
All of F26| Company | Category | Status |
|---|---|---|
 MaritimeThe managed cloud for AI agents.ActiveAI, Devtools | AI, Devtools | Active |
 Agent 37Persistent sandboxes for agents like hermes, openclaw, claude codeActiveAI, Devtools | AI, Devtools | Active |
 Agent RelayThe infrastructure to run coding agents for your teamActiveAI, Devtools | AI, Devtools | Active |
 BoatThe best cloud VMs for billions of agentsActiveAI, Devtools | AI, Devtools | Active |
 ByteAskThe AI coding agent for C and C++ActiveAI, Devtools | AI, Devtools | Active |
 Dreamscale LabsRunning robot brains in the cloudActiveAI, Devtools | AI, Devtools | Active |
Founders
- Chaitanya ChoudharyFounder/CEO
About Workers IO
Workers IO verifies your entire system across millions of interleaving, faults, and timings to find the exact conditions that break the software properties you care about. Built for teams where 99.99% uptime is table-stakes.
- YC batch
- F26 · Fall 2026
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 2
- Location
- San Francisco, CA, USA
- Founded
- 2026
- Checked
- 1h ago
YC tags: Artificial Intelligence, Developer Tools, B2B, Infrastructure
Workers IO: questions
Which YC batch was Workers IO in?
Workers IO was in Y Combinator's Fall 2026 batch (F26).
Is Workers IO still active?
Y Combinator lists Workers IO as active.
Who founded Workers IO?
Workers IO's founders, as listed on its YC page: Chaitanya Choudhary (Founder/CEO).
Where is Workers IO based?
Workers IO lists San Francisco, CA, USA as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.