Bolt.new vs Cartesia
Which Developer Tools AI tool is better in 2026?
Bolt.new
Full-stack apps from a single prompt — deployed in seconds by StackBlitz
Cartesia
Ultra-fast voice AI for real-time applications
Side-by-side
| Bolt.new | Cartesia | |
|---|---|---|
| Tagline | Full-stack apps from a single prompt — deployed in seconds by StackBlitz | Ultra-fast voice AI for real-time applications |
| Founded | 2024 | 2023 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 11-50 | 20-50 |
| Total funding | Undisclosed | $65M |
| Latest round | — | Series A |
| Valuation | — | $400M |
| Cheapest paid plan | Pro · $25/mo | — |
| Free plan | ✓ Free | ✓ Free Tier |
| Free trial | ✗ | ✓ |
| Top tier price | Teams · $30/mo | Custom / Enterprise · Contact sales |
| Pricing summary | 4 published plans | 2 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Bolt.new and Cartesia.
| Capability | Bolt.new | Cartesia |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 2 (Python, JavaScript/TypeScript) |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Bolt.new
- Higher Neuron score (82 vs 47)
- Lower starting price ($20/mo)
- Newer company (2024)
🔵 Strengths of Cartesia
- Has raised more capital ($65M vs Undisclosed)
- Offers a free trial
- More mature (2023)
- Verified profile
Which should you choose?
Choose Bolt.new if price matters most — it starts at Free · From $20/mo, which is friendlier for teams watching burn. Both AI Developer Tools tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Cartesia if you want the most established option — it has raised $65M, 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
Bolt.new vs Cartesia — which is better?
It depends on your priority. Bolt.new is the leaner option; Cartesia has broader feature depth. See the side-by-side table above.
Is Bolt.new cheaper than Cartesia?
Yes — Bolt.new's cheapest paid plan is Pro · $25/mo, while Cartesia's is Free.
Do Bolt.new and Cartesia offer free plans?
Bolt.new: Yes, has a free plan. Cartesia: Yes, has a free plan.
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