Flux, a San Francisco-based browser-based electronic CAD platform, has raised $27M in Series B funding led by 8VC. The platform's AI Copilot automates PCB design from idea to manufacturing, including schematics, layout, and supply chain integration. The capital will enhance AI hardware engineering capabilities, support complex boards, and deepen ecosystem integrations.
AI Agents Reshape EDA Landscape
Flux's raise aligns with agentic AI momentum in electronic design automation. Siemens launched agentic AI in Questa One for IC design in February 2026. Earlier, JITX raised $12M Series A in 2022 for code-based PCB automation. Flux differentiates with fully browser-native AI handling end-to-end workflows for makers and pros.
Hardware Design Bottlenecks Persist
Electronics complexity in IoT, EVs, and AI devices demands faster iteration amid engineer shortages. Traditional PCB design takes months due to manual routing and checks. Current tools like KiCad require downloads and lack AI acceleration, while Altium focuses on desktop enterprise workflows.
Browser AI Automates Full PCB Cycle
Flux enables prompt-to-manufacturable PCB via transparent AI agents for research, auto-layout, and real-time parts data. Unlike Celus's high-level system design or SnapMagic's parts search, Flux integrates schematics, routing with intent-aware paths, and self-correcting checks. Users have created 6.5M projects across robotics and smart home devices.
As CEO Matthias Wagner noted:
"Historically, building hardware has been insanely difficult. By bringing the cost of design down to near-zero, we’re giving millions of non-experts the ability to build for niche audiences—or make something for themselves."
Tier-1 Investors Back Hardware AI
8VC led with participation from Bain Capital Ventures, Liquid 2 Ventures, and seed investor Outsiders Fund. 8VC's portfolio includes hardware autonomy leaders like Anduril and Bedrock Robotics. Bain backs AI infra like Crusoe Energy, signaling conviction in AI for physical engineering. This mix validates Flux's shift from assistive to agentic AI.
EDA Market Scales to $34B
The electronic design automation market stands at $15.89B in 2026, projected to reach $34.71B by 2035 at 9.08% CAGR. PCB design software alone hit $4.64B with 14.3% CAGR. Incumbents like Cadence add AI features, but Flux targets democratization via browser access. Competitors include Autodesk Fusion (integrated CAD) and EasyEDA (hobbyist manufacturing).
FAANG Veterans Drive Platform
CEO Matthias Wagner bootstrapped multimillion revenue startups and produced the $1B Crazy Frog hit. Co-founder Lance Cassidy prototyped AI robotics for NASA and Intel via DXLab. Head of Product Dirk Stoop founded Sofa BV, acquired by Facebook, and led Gmail Ads reset at Google. This hardware-software blend accelerates AI eCAD iteration.
Post-Funding AI Scaling Push
Flux plans front-end engineering hires for WebGL canvas to handle larger projects, plus AI upgrades for complex boards and supply chain visibility. Partnerships with PCBWay and JLCPCB enable direct manufacturing. With 1M builders, the focus shifts to enterprise-grade eCAD expansions.