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15 · Free & Pro

Pricing

The simulator is free forever. Pro ($6/month or $48/year) lifts the cloud limits and funds the servers.

Free: the whole workbench

  • Everything that simulates is free, always: the solver, every part, every board, all the radios, examples, tutorials, docs, local saves, local edit history, and every export. This is a promise, not a trial: simulation features never move behind the meter.
  • A free account adds cloud sync (up to 10 projects), share links (up to 20), server Arduino compiles with 15 build minutes a day (100 a month, up to 150 seconds per build), and 5 AI chat questions to try the copilot, so your bench follows you between devices.

Pro: $6/month, or $48/year

  • Unlimited cloud projects and share links.
  • A bigger compile budget: 100 build minutes a day (250 a month) and up to 480 seconds per build, enough for the heavyweight Arduino libraries (FastLED, GxEPD2).
  • The AI copilot: 100 chat questions and 10 project generations a month, grounded in the bench's own design guide.
  • Version history: a cloud timeline of the last 50 saves plus automatic checkpoints for every cloud project, restorable from any device.
  • Real internet for firmware: point a board's sockets at real, allowlisted APIs through the secure gateway (500 requests a day, 5,000 a month), plus pcap export from the packet sniffer.

CI: $12/month, or $96/year

  • Everything in Pro, plus hosted Breadboard CI: run your circuits as deterministic tests from GitHub Actions — 1500 CI sim minutes a month (240 a day), 2 runs in parallel, revocable access tokens, and failures that come back as replayable flight recordings. See the Breadboard CI chapter.
  • A bigger compile pool: 200 build minutes a day, 500 a month.
  • One subscription — switching between Pro and CI is a prorated plan change, never a second subscription.
Payments run entirely through Stripe; card details never touch our servers. Cancel any time from the account menu (Manage billing); your projects stay synced through the end of the paid period and remain on your devices forever after.