Your board is one step away.
then $5 per 1M credits
then $5 per 1M credits
Run out mid-board? Keep going.
No per-seat cost.
Ever.
Add the whole hardware team without adding to the bill — every plan above, Enterprise included, is priced on AI usage rather than on how many engineers open it.
Seat licences at list price, annual billing. Flux.ai Teams is $120 per editor per month as published; Altium Designer Professional is not publicly priced and is taken at $3,995 per seat per year, the midpoint of reseller listings. Neither vendor’s AI usage is modelled here. Cherry Blossom’s figure is the cheapest plan that covers the credits shown, including on-demand usage past the included allowance — the same numbers as the plans above.
Full plan comparison.
FAQs
Yes. Managed AI is included on Pro and Ultra, with no API key to connect. Pro is $20 a month for 600 AI actions a day and 4M credits a month; Ultra adds the frontier model (Sakura 2 High) at 8× the allowance. An account without a plan keeps its boards and can open, edit and export them, but the agent needs Pro.
The complete editor — schematic, PCB, 3D, Gerbers and BOM — with managed AI included: 600 AI actions a day and 4M credits a month, plus on-demand usage so a big board doesn't stop at the end of the month. Ultra is what adds the frontier model (Sakura 2 High).
Ultra adds the frontier model (Sakura 2 High) and 8× the allowance, so 4,800 AI actions a day and 32M credits a month instead of 600 and 4M. Start on Pro. Move up when you want the frontier model for a dense board, or when you're turning on on-demand usage every month — Ultra is cheaper per credit.
Every plan includes a monthly allowance of credits. On Pro and Ultra you can turn on on-demand usage to keep working once it's gone, at $5 per 1M credits, billed in arrears on your next invoice. It's off until you turn it on, and you set a monthly spending limit that we stop at. No surprise invoices.
Each AI action uses credits based on the context it reads and the answer it produces. Cached context counts at 10%, so iterating on the same board is far cheaper than starting fresh. Manual editing and exports are never metered.
A rolling 30-day window starts with your first managed AI request. Your full quota returns when the window ends.
The editor and exports keep working. AI pauses when you reach your plan's daily actions or its monthly credits. The daily figure is 600 on Pro, 4,800 on Ultra. On Pro and Ultra, on-demand usage carries you past both.
Yes. Use the Stripe billing portal to move between Pro and Ultra, switch between monthly and yearly, update your card, download invoices, or cancel. A canceled plan stays active through the paid period. After that your boards stay in your account to open, edit and export, and the agent waits for an active plan.
Still have questions? Email the developers.
Start your first board today.
Schematic, PCB, Gerbers and BOM. No API key, no per-seat cost.
