Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Ellipsis

Active · Managed Agent platform

WebsiteYC profile

Why it ranks

How the rank works
9signal of 100 · rising 3
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5
  • hiringHiring · Titles (titles.fru.dev), YC+2

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

Competitors

AIOmnaraShared: managed agent, cloud, modelYC S25San FranciscoStartup →AIClickShared: managed agent, modelYC S26San FranciscoStartup →AILightSprintShared: cloud agent, software factoryYC X26San FranciscoStartup →AIDiffEnderShared: code reviewAlchemist Class 38San FranciscoStartup →AIHopliteShared: software factory, cloudYC S26San FranciscoStartup →OtherBazShared: code reviewStartup →
Companies closest to Ellipsis
Company
OmnaraShared: managed agent, cloud, modelYC S25ActiveAI, Devtools
ClickShared: managed agent, modelYC S26ActiveAI, Devtools
LightSprintShared: cloud agent, software factoryYC X26ActiveAI
DiffEnderShared: code reviewAlchemist Class 38Not statedAI
HopliteShared: software factory, cloudYC S26ActiveAI, Devtools
Baznot in a program hereShared: code reviewElsewhereOther

Adjacent

OtherCodacyShared: code reviewSeedcamp 2012Startup →OtherQuack AIShared: code reviewEF 2023ParisStartup →Developer toolsMergentShared: background task, manage, developerYC S21AustinStartup →AIHumanLayerShared: software factory, agent, harnessYC F24San FranciscoStartup →Developer toolsAcquiredPullRequestShared: code reviewYC S17AustinStartup →
Companies next to Ellipsis
Company
CodacyShared: code reviewSeedcamp 2012Not statedOther
Quack AIShared: code reviewEF 2023Not statedOther
MergentShared: background task, manage, developerYC S21ActiveDevtools
HumanLayerShared: software factory, agent, harnessYC F24ActiveAI, Devtools
PullRequestShared: code reviewYC S17AcquiredDevtools

Also from W24 in AI

All of W24
AIInactivePreloopTranslate your experimental scripts into production ML servicesYC W24SeattleStartup →AIAgentic LabsAI system design tools for dev teamsYC W24New York CityStartup →AIAndon LabsAutonomous organizations without humans in the loopYC W24San FranciscoStartup →AICentauri AIHelps teams work effectively with AI coding agents.YC W24San FranciscoStartup →AIDecipher AIQA agents that write tests 10x faster with zero maintenanceYC W24San FranciscoStartup →AIDownlinkMake your LLMs 3x faster.YC W24San FranciscoStartup →
Company
PreloopTranslate your experimental scripts into production ML servicesteam of 2InactiveAI, Data, Devtools
Agentic LabsAI system design tools for dev teamsteam of 2ActiveAI, Devtools
Andon LabsAutonomous organizations without humans in the loopteam of 11ActiveAI, Devtools
Centauri AIHelps teams work effectively with AI coding agents.team of 5ActiveAI, Devtools
Decipher AIQA agents that write tests 10x faster with zero maintenanceteam of 4ActiveAI, Devtools
DownlinkMake your LLMs 3x faster.ActiveAI, Devtools

Founders

  • Hunter BrooksFounder/CEO

About Ellipsis

Ellipsis is a Managed Agent Platform for Developers. Spawn, manage, and govern cloud agents for Software Factories, custom Code Review, and Background Tasks. You choose the model, harness, prompts, and tools. We'll handle the infrastructure. Documentation: https://www.ellipsis.dev/docs

YC batch
W24 · Winter 2024
Status, per YC
Active
Category
AI, Developer tools
Team size
2
Location
New York City, NY, USA
Founded
2023
Checked
6h ago

YC tags: Developer Tools, Machine Learning, AI

Changes seen

One-linerOct 26, 2026

Rewrote its one-liner; it read "Cloud platform for coding agents"

Source ↗
TagsOct 19, 2026

No longer tagged Artificial Intelligence.

Source ↗

Ellipsis in W24: 248 companies, 84% AI

GitHub LinkedIn

Ellipsis: questions

Which YC batch was Ellipsis in?

Ellipsis was in Y Combinator's Winter 2024 batch (W24).

Is Ellipsis still active?

Y Combinator lists Ellipsis as active.

Who founded Ellipsis?

Ellipsis's founders, as listed on its YC page: Hunter Brooks (Founder/CEO).

Where is Ellipsis based?

Ellipsis lists New York City, NY, USA as its location on YC's directory.