No blank schematic
Describe what the board should do. siliXon asks a few questions, then picks the parts and draws the circuit.
The KiCad alternative that starts from a sentence
KiCad is a brilliant, free toolbox, and it has earned its fans. It also expects you to bring your own schematic, pick every footprint, place every part and route every trace, ideally over a few spare weekends. That is a great way to learn EDA, and a slow way to get a board. siliXon skips the apprenticeship: describe what the board should do in plain English, answer a few questions, and get a placed, routed board of up to four layers with real parts, Gerbers, drill files, a BOM and pick-and-place data.
Free plan. Runs in your browser.
Head to head
Who leads on what matters when you want a board.
siliXonYou design it, in the browser
KiCadDesktop EDA; you do every step
Starting point
siliXon: A plain-English description
KiCad: A blank schematic
siliXon leads.Skills you need
siliXon: None
KiCad: EE knowledge and KiCad
siliXon leads.Who does the work
siliXon: siliXon; you steer and edit
KiCad: You, by hand
siliXon leads.What you get
siliXon: An editable PCB and fab files
KiCad: A PCB and a full fab package
Even.Time to first board
siliXon: Minutes
KiCad: Days to weeks
siliXon leads.Board complexity
siliXon: Up to 4 layers
KiCad: Up to 32 layers
KiCad leads.Layout prep
siliXon: None
KiCad: Place and route it all yourself
siliXon leads.
Verdict
Choose siliXon to get a board in minutes, with no EDA skills.
Choose KiCad for full manual control and complex multi-layer boards.
siliXon todaysiliXon is in early beta and builds two- and four-layer, mostly digital boards. Review every design before fabrication.
Where KiCad is strongerFull manual control, up to 32 copper layers, analogue-heavy designs and a mature ecosystem.
Time to a prototype
siliXon
5 to 20 minutes
KiCad
3 days to 3 weeks
From an idea to a board you can send to a fab, on one scale from zero. Estimates for someone new to each tool.
What changes when you switch from KiCad
Placed and routed for you
The layout arrives placed and routed, and every part, trace and via stays editable.
Bring your KiCad work
Import an existing KiCad design and keep iterating on it in conversation.
siliXon vs KiCad: feature comparison
| Feature | |  |
|---|---|---|
| Starting point | A plain-English description | A schematic you draw |
| AI generation | Generates the whole board | None built in |
| PCB layout | Editable in 2D and 3D | Full manual control |
| Copper layers | Up to 4 | Up to 32 |
| Part selection | Real, available parts picked for you | Open libraries, you choose |
| Design checks | Connectivity and manufacturing checks | ERC and DRC |
| Fab outputs | Gerbers, drill, BOM and pick-and-place | Gerbers, drill files, BOM and more |
| Firmware | Programmable over USB, with flashing steps | No |
| Layout prep | None; answer a few questions | You place and route every part and trace |
| Runs in | Browser | Windows, macOS and Linux |
siliXon is in early beta and builds two- and four-layer, mostly digital boards. Review every design before fabrication.
So far creating my first project for 10 min - onboarding seems quite smooth
I like the self validation and how it explains everything too, makes it easier for me to quickly cross reference and learn on the go
Response is very meaningful, I like how it asks you questions to verify and gives you the options to choose the answers with the recommended on the one it thinks is a better option
Good so far. It is helpful and gives me advice
I have to say I love the UI and UX, the front end is really fun to interact with, with the little dynamic touches etc
Super helpful and easy to use
Really good actually better than Flux ai
Compare siliXon with other tools
siliXon vs Altium DesignerProfessional EDA for complex, multi-layer production boards
siliXon vs SchematikAI that turns a prompt into Arduino, ESP32 and Pico projects
siliXon vs Blueprint.ioAI build plans with parts, wiring and assembly steps
siliXon vs Flux.aiBrowser ECAD with an AI agent that designs alongside you
siliXon vs DiodeAI-assisted board design service, from spec to production
siliXon vs QuilterAI placement and routing from your finished schematic
siliXon vs SnapMagicAI copilot for Altium, built on the SnapEDA parts library
siliXon vs CELUSAI that turns requirements into schematics and a BOM
siliXon vs atopileCode-native electronics design, with an agent in the browser
siliXon vs tscircuitOpen-source framework for designing PCBs in TypeScriptsiliXon vs KiCad: your questions answered
Can siliXon replace KiCad?
Not for every board. KiCad suits multi-layer, analogue-heavy and custom-library work. siliXon is faster for two- and four-layer, mostly digital boards.
Can I import a KiCad design?
Yes. Bring an existing KiCad design into siliXon and keep iterating on it.
Which is easier for a first PCB?
siliXon. You start from a description instead of learning schematic capture, footprints, placement and routing first.
Do both produce manufacturing files?
Yes. Both export Gerbers, drill files, a BOM and pick-and-place data; KiCad gives you finer control over them.