Quilter vs Sourcebot
Which Design AI tool is better in 2026?
Quilter
Physics-driven AI platform that fully automates printed circuit board (PCB) layout
Sourcebot
Helping humans and AI agents understand massive codebases
Side-by-side
Quilter is the more established option (raised $35M); pricing is comparable on both sides.
| Metric | Quilter | Sourcebot |
|---|---|---|
| Taglinei | Physics-driven AI platform that fully automates printed circuit board (PCB) layout | Helping humans and AI agents understand massive codebases |
| Foundedi | 2019🏆 | 2025 |
| HQi | — | San Francisco, US |
| Employeesi | 11-50🏆 | 1-10 |
| Neuron scorei | 70🏆 | 48 |
| Total fundingi | $35M🏆 | $500K |
| Latest roundi | Series B | Seed · Jan 2025 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed |
| Free plani | ✓ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Pricing not listed |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Quilter and Sourcebot.
| Capability | Quilter | Sourcebot |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Quilter
- Has raised more capital ($35M vs $500K)
- Higher Neuron score (70 vs 48)
- Offers a free plan
- Offers a free trial
🔵 Strengths of Sourcebot
- Newer company (2025)
Which should you choose?
Choose Sourcebot if price matters most — it starts at Pricing not listed, which is friendlier for teams watching burn. Both AI Design tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Quilter if you want the most established option — it has raised $35M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Quilter vs Sourcebot — which is better?
It depends on your priority. Quilter has raised more capital and is the more established option; Sourcebot has broader feature depth. See the side-by-side table above.
Is Quilter cheaper than Sourcebot?
No — Sourcebot's cheapest paid plan is Pricing not listed, while Quilter's is Free.
Do Quilter and Sourcebot offer free plans?
Quilter: Yes, has a free plan. Sourcebot: Paid only.
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