TL;DR: The closest YC-backed alternatives to <strong>BitPatrol</strong> are other Y Combinator B2B companies, especially from the Spring 2025 batch. Below are 20 ranked competitors with batch, status, and team size.
Y Combinator-backed B2B companies similar to BitPatrol (YC Spring 2025).
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PropolisYC Spring 2025 · Acquired · 2 people— Hands off QA via intelligent browser agents.
AuctorYC Spring 2025 · Active · 25 people— The agentic operating system for modern system integrators.
Ticket WalletYC Spring 2025 · Active · 20 people— AI-optimized ticket resale
throxyYC Spring 2025 · Active · 15 people— Vertical AI agents that run the sales funnel on autopilot
SixtyfourYC Spring 2025 · Active · 12 people— Intelligence Infrastructure on People and Entities
BluejayYC Spring 2025 · Active · 10 people— Test, monitor, and improve your voice and chat AI agents
CascoYC Spring 2025 · Active · 10 people— Autonomous security testing for web apps, APIs, cloud, and AI systems
GodelaYC Spring 2025 · Active · 10 people— AI Physics Engine to replace simulations and prototypes
QualGentYC Spring 2025 · Active · 10 people— AI Mobile App Quality Assurance Tester
BlaxelYC Spring 2025 · Active · 8 people— The perpetual sandbox platform
VybeYC Spring 2025 · Active · 8 people— Secure internal apps. Built by AI in seconds. Powered by your data.
KaelioYC Spring 2025 · Active · 8 people— The open-source context layer for data agents
RefreshYC Spring 2025 · Active · 8 people— Training gyms for computer use and software engineering work
Third ChairYC Spring 2025 · Active · 8 people— AI-Native IP Enforcement Agent
NaïveYC Spring 2025 · Active · 8 people— Unified Agent Infrastructure
MesmerYC Spring 2025 · Active · 7 people— The operating system for the 100x Engineering Team
AirweaveYC Spring 2025 · Active · 7 people— The open-source context retrieval layer for agents
ThetaYC Spring 2025 · Active · 7 people— Specialized AI for Every Job
SimYC Spring 2025 · Active · 6 people— Open source platform to build AI agent workflows
ParsewiseYC Spring 2025 · Active · 6 people— Multi-document processing for your risk teams, AI agents, pipelines