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Chordio

YC S22

Issaquah, US · Founded 2022 · 4 employees · 1 known investors

Chordio builds PX-bench, a benchmark for measuring product experience created by AI coding agents. The platform enables teams developing AI agents to evaluate and improve how their agents' outputs function and appear to end users.

Also known as Concert

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSB2BUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S22)

Chordio was founded in 2022 by Ehud Halberstam and Amit Bar.

EHEhud Halberstam
Ehud Halberstamin𝕏Co-Founder & CEOPreviously, he co-founded and led Brand.ai from 2014 to 2017, developing a design-scale platform for enterprise customers; the company was acquired by InVision in 2017, where he contributed to building InVision DSM through 2022.
ABAmit Bar
Amit BarinCo-Founder, CTOPreviously, he co-founded Brand.ai, a design system management platform acquired by InVision in 2017, where he served as engineering manager and director of engineering before departing in 2022.

Investors · 1

Y Combinator✓ verifiedSan Francisco · $500K

Competitors · 1

by search overlap
Composio7 shared keywordsComposio provides a developer platform that gives AI agents and autonomous systems access to over 1,000 third-party tools with managed authentication, sandboxed execution, and intelligent tool selection. The platform enables developers to build multi-step AI workflows across applications without handling OAuth flows or tool configuration.

Companies competing with Chordio for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Design Rails: Generate an agent-ready brand identity in minutesycombinator.com · Dec 2025Design Rails: Give your coding agent its own product design teamycombinator.com · Nov 2025Chordio - AI-powered design reviews that guard your standardsycombinator.com · Aug 2025PRDKit: AI-powered PRDs and supporting GTM artifacts in one placeycombinator.com · May 2025Chordio: Your generative UX assistantycombinator.com · Apr 2024Chordio - Lightweight sprint planner for remote development teamsycombinator.com · Aug 2022

Frequently asked questions

What does Chordio do?
Chordio builds PX-bench, a benchmark for measuring product experience created by AI coding agents. The platform enables teams developing AI agents to evaluate and improve how their agents' outputs function and appear to end users.
Who founded Chordio?
Chordio was founded by Ehud Halberstam, Amit Bar in 2022.
Who are Chordio's investors?
Chordio's investors include Y Combinator.
Where is Chordio headquartered?
Chordio is headquartered in Issaquah, US.