Cursor vs Mainframe
Which Agents AI tool is better in 2026?
Cursor
The AI code editor built for productive engineers.
Mainframe
Building interfaces for the future where operating systems are built around actions, not apps, powered by AI.
Side-by-side
Cursor is the more established option (raised $7.6B); pricing is comparable on both sides.
| Metric | Cursor | Mainframe |
|---|---|---|
| Taglinei | The AI code editor built for productive engineers. | Building interfaces for the future where operating systems are built around actions, not apps, powered by AI. |
| Foundedi | 2022🏆 | 2026 |
| HQi | San Francisco, US | — |
| Employeesi | 51-200🏆 | 1-10 |
| Neuron scorei | 84🏆 | 59 |
| Total fundingi | $7.6B🏆 | Undisclosed |
| Latest roundi | Series D · Nov 2025 | — |
| Valuationi | $29.3B🏆 | — |
| Cheapest paid plani | Pro · $20/mo | Pro · $20/mo |
| Free plani | ✓ Hobby | ✓ Starter |
| Free triali | ✓ | ✓ |
| Top tier pricei | Ultra · $200/mo | Pro · $20/mo |
| Pricing summaryi | 5 published plans | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Cursor and Mainframe.
| Capability | Cursor | Mainframe |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of Cursor
- Has raised more capital ($7.6B vs Undisclosed)
- Higher Neuron score (84 vs 59)
- More mature (2022)
🔵 Strengths of Mainframe
- Newer company (2026)
Which should you choose?
Choose Mainframe if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Cursor if you want the most established option — it has raised $7.6B, 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.
💸 Deals
14-day Cursor Pro free trial
Try Cursor Pro free for 14 days — unlimited completions, fast premium model requests, and agent mode for AI-first coding.
Terms: New users only. Card required.
Frequently asked questions
Cursor vs Mainframe — which is better?
It depends on your priority. Cursor has raised more capital and is the more established option; Mainframe has broader feature depth. See the side-by-side table above.
Is Cursor cheaper than Mainframe?
No — Mainframe's cheapest paid plan is Pro · $20/mo, while Cursor's is Pro · $20/mo.
Do Cursor and Mainframe offer free plans?
Cursor: Yes, has a free plan. Mainframe: Yes, has a free plan.
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