Flux
Category: AI Developer Tools
An AI-powered browser-native electronics design platform that transforms natural language prompts into manufacturable PCB designs, functioning as the world's first AI hardware engineer. Flux was founded in 2019. The company is led by Matthias Wagner. Based in San Francisco, United States. Team size: 46-50. Total funding raised: $49.0M. Latest round: Series B ($27.0M, Feb 2026). Key investors include 8VC, Bain Capital Ventures, Outsiders Fund, Liquid2 Ventures, Tom Preston-Werner, John Lilly, Joanna Hoffman.
AMW Analysis
Flux is an AI Developer Tools company building a browser-native electronics design platform that converts natural language prompts into manufacturable PCB designs, positioning itself as an AI hardware engineer aimed at compressing hardware development from months to minutes. Founded in 2019 and based in San Francisco, the company has raised $49.0M to date, most recently a $27.0M Series B led by 8VC in February 2026 as part of a $37M combined raise, with backing from Bain Capital Ventures, Outsiders Fund, Liquid2 Ventures, and other investors.
Recent news flow shows steady product and traction milestones alongside the funding: Flux has surpassed 1 million signups, with users reported to have created nearly 6.5 million devices on the platform, and coverage frames the company as targeting the $15.9B EDA market. Product news has centered on "Autonomous Agents" and an "AI Hardware Engineer" capability that translates product briefs into manufacturable PCB designs in under 30 minutes, covering component selection, parts availability checks, schematic generation, and routing. Together, the funding, user-growth figures, and expanding agentic feature set point to a company scaling both its platform capabilities and its user base in tandem.
AMW analysis, generated from 5 tracked news signals.
- Founded
- 2019
- Headquarters
- San Francisco, United States
- Team size
- 46-50
- Total funding
- $49.0M
Value proposition
Accelerates hardware development from months to minutes by using AI agents that transform text prompts into complete, manufacturable circuit board designs, reducing design time and cost to near-material prices while enabling 10x faster time-to-market.
Products and solutions
Flux Copilot - AI Hardware Design Assistant, Browser-based Collaborative PCB Design Platform, Flux for Enterprise - AI-Driven Hardware Design at Scale, Agentic AI Design Engine (text-to-PCB), Component Library with Real-time Part Data, AI-Powered Part Search and Placement, Automatic Impedance Control
Unique value
First AI hardware engineer that transforms natural language prompts into complete manufacturable PCB designs in under 30 minutes. Features context-aware AI with direct knowledge of project BOMs, netlists, datasheets, and technical diagrams. Browser-native collaborative platform requiring no installation.
Target customer
Professional electrical engineers, hardware teams, PCB designers, hardware startups, makers, hobbyists, enterprise organizations, and semiconductor manufacturers
Industries served
Electronics Design Automation (EDA), Hardware Manufacturing, Consumer Electronics, Industrial Electronics, Aerospace and Defense, IoT and Embedded Systems, Semiconductor Industry, Robotics and Motion Control
Technology advantage
Combines specialized hardware-focused LLMs with real-time component data and engineering knowledge to automate the entire electronics design workflow. Delivers bespoke PCBs at near-material costs while reducing design iterations from months to minutes.
How they differentiate
First AI hardware engineer with text-to-PCB capabilities, browser-native collaborative platform requiring no installation, context-aware AI with direct knowledge of project BOMs and netlists, combined with real-time component data and GitHub-inspired community features
Main competitors
Altium, KiCad, EasyEDA
Key partnerships
Ultra Librarian, Texas Instruments, Seeed Studio, 8VC, Bain Capital Ventures
Notable customers
Fortune 500 manufacturers, Professional hardware teams, Enterprise organizations
Major milestones
Founded in 2019 by Matthias Wagner, Christian Blank, and Lance Cassidy, Raised $12M Seed round led by Outsiders Fund in Oct 2021, Beta launch with browser-native collaborative PCB design platform, Launched Flux Copilot - AI Hardware Design Assistant, Partnership with Ultra Librarian for millions of components, Secured $27M Series B led by 8VC in Feb 2026, Reached 1M+ user sign-ups milestone, 6.5M+ devices designed on platform
Growth metrics
1M+ sign-ups, 6.5M+ devices designed on platform, world's largest eCAD part library
Market positioning
AI-native EDA platform challenger bridging hobbyist and enterprise markets, offering 10x faster design time from months to minutes with near-material cost PCB production
Geographic focus
North America (San Francisco HQ), with global reach serving hardware teams worldwide
Patents and IP
No registered patents publicly disclosed as of latest update (February 2026)
About Matthias Wagner
Founder and CEO of Flux since 2019. Previously Product Manager at Facebook (Meta) where he led the Moments App team. Mentor at Singularity University and Product Management Instructor at General Assembly. Founded 42media group (won Dell Small Business Excellence Award 2008, German Entrepreneur of the Nation Award 2008). Over 20 years of experience in product and tech roles spanning hardware engineering, AI integration, and entrepreneurship.
Latest news about Flux
- Flux just raised $37M to bring vibe coding to hardware design, surpassing 1M signups for its AI-powered, browser-based PCB design platform. The funding includes a $27M Series B led by 8VC, targeting a
- Flux has raised $37M including a $27M Series B led by 8VC to democratize hardware design through its AI-powered platform that converts natural language prompts into complete circuit board designs. Wit
- Fal has launched a specialized version of the Flux 2 image generator, achieving a 10x reduction in costs and 6x greater inference efficiency compared to original benchmarks. This release signifies a c
- The emergence of Flux’s "Autonomous Agents" in PCB design marks a critical shift for the entire hardware industry, moving AI beyond code and content into physical infrastructure creation. These agents
- The launch of Flux's "AI Hardware Engineer" marks a critical expansion of autonomous agents beyond software and content generation into physical product design. This agentic orchestrator, which transl
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Official website: https://www.flux.ai
