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14,448 startups · 29 programs

Caveman

Active · Caveman cuts what AI agents cost without making them dumber.

WebsiteYC profile

Why it ranks

How the rank works
4signal of 100 · rising 4
  • went through YCProgram · this site+4

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

Competitors

AISecuraAIShared: safely deploy, realPlug and PlayUnited StatesStartup →
Companies closest to Caveman
Company
SecuraAIShared: safely deploy, realPlug and Play +1Not statedAI

Adjacent

AITraceRoot.AIShared: infrastructure, agent, improvementYC S25San FranciscoStartup →AIHiroShared: infrastructure, agent, workYC S23New York CityStartup →AIFlamecastShared: infrastructure, agentSPC 2025San FranciscoStartup →AIOvershootShared: infrastructure, cost, workloadYC W26San FranciscoStartup →Developer toolsFly.ioShared: infrastructure, stack, deployYC W20ChicagoStartup →
Companies next to Caveman
Company
TraceRoot.AIShared: infrastructure, agent, improvementYC S25ActiveAI, Devtools
HiroShared: infrastructure, agent, workYC S23ActiveAI, Devtools
FlamecastShared: infrastructure, agentSPC 2025Not statedAI, Devtools
OvershootShared: infrastructure, cost, workloadYC W26ActiveAI, Devtools
Fly.ioShared: infrastructure, stack, deployYC W20ActiveDevtools

Also from F26 in AI

All of F26
AITiloThe Microsoft of the AI era: the operating system for AI agents.YC F26San FranciscoStartup →AIAgent RelayLet your teams' coding agents message each otherYC F26San FranciscoStartup →AIHueTest agents in realistic worlds built from production usageYC F26San FranciscoStartup →AILimnionTelemetry storage for the agentic era.YC F26SeattleStartup →AIMaritimeThe managed cloud for AI agents.YC F26San FranciscoStartup →AIRightNowCo-designing the fastest intelligenceYC F26San FranciscoStartup →
Company
TiloThe Microsoft of the AI era: the operating system for AI agents.team of 2ActiveAI, Devtools
Agent RelayLet your teams' coding agents message each otherteam of 2ActiveAI, Devtools
HueTest agents in realistic worlds built from production usageteam of 2ActiveAI, Devtools
LimnionTelemetry storage for the agentic era.team of 3ActiveAI, Data, Devtools
MaritimeThe managed cloud for AI agents.team of 3ActiveAI, Devtools
RightNowCo-designing the fastest intelligenceteam of 2ActiveAI, Devtools

About Caveman

Caveman is the optimization stack for AI agents. It observes real agent workloads, finds cost and performance inefficiencies, tests improvements, and safely deploys the ones that work.

YC batch
F26 · Fall 2026
Status, per YC
Active
Category
AI, Developer tools
Team size
1
Location
Amsterdam, NH, Netherlands
Founded
2026
Checked
6h ago

YC tags: Developer Tools, Open Source, Infrastructure, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗
Joined a programOct 15, 2026

Joined Y Combinator's Fall 2026 batch (F26).

Source ↗

Caveman in F26: 219 companies, 89% AI

GitHub LinkedIn

Caveman: questions

Which YC batch was Caveman in?

Caveman was in Y Combinator's Fall 2026 batch (F26).

Is Caveman still active?

Y Combinator lists Caveman as active.

Where is Caveman based?

Caveman lists Amsterdam, NH, Netherlands as its location on YC's directory.