Kiro vs Sweep
Which Agents AI tool is better in 2026?
Kiro
Amazon's spec-driven AI IDE — build with PRDs, not prompts
Sweep
The fastest AI coding assistant for JetBrains IDEs.
Side-by-side
Sweep is the more established option (raised $2M), but Kiro is cheaper to start.
| Metric | Kiro | Sweep |
|---|---|---|
| Taglinei | Amazon's spec-driven AI IDE — build with PRDs, not prompts | The fastest AI coding assistant for JetBrains IDEs. |
| Foundedi | 2025 | 2023🏆 |
| HQi | Seattle, US | San Francisco, US |
| Employeesi | 201-500🏆 | 11-50 |
| Neuron scorei | 47 | 51🏆 |
| Total fundingi | Undisclosed | $2M🏆 |
| Latest roundi | Corporate · Jul 2025 | Seed · Nov 2023 |
| Valuationi | — | $25M🏆 |
| Cheapest paid plani | Pricing not disclosed🏆 | Basic · $10/mo |
| Free plani | ✗ | ✓ Free |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Ultra · $60/mo |
| Pricing summaryi | Freemium | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Kiro and Sweep.
| Capability | Kiro | Sweep |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Kiro
- Newer company (2025)
🔵 Strengths of Sweep
- Has raised more capital ($2M vs Undisclosed)
- Higher Neuron score (51 vs 47)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose Kiro if price matters most — it starts at Freemium, 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 Sweep if you want the most established option — it has raised $2M, 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
Kiro vs Sweep — which is better?
It depends on your priority. Kiro is the leaner option; Sweep has broader feature depth. See the side-by-side table above.
Is Kiro cheaper than Sweep?
Yes — Kiro's cheapest paid plan is Freemium, while Sweep's is Basic · $10/mo.
Do Kiro and Sweep offer free plans?
Kiro: Paid only. Sweep: Yes, has a free plan.
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