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
| Kiro | Sweep | |
|---|---|---|
| Tagline | Amazon's spec-driven AI IDE — build with PRDs, not prompts | The fastest AI coding assistant for JetBrains IDEs. |
| Founded | 2025 | 2023 |
| HQ | Seattle, US | San Francisco, US |
| Employees | 201-500 | 11-50 |
| Total funding | Undisclosed | $5.5M |
| Latest round | corporate-backed · Jul 2025 | pre-seed |
| Valuation | — | — |
| Cheapest paid plan | Claude Pro · $20/mo | Basic · $10/mo |
| Free plan | ✓ Claude Free | ✓ Free |
| Free trial | ✗ | ✓ |
| Top tier price | Claude Power · $200/mo | Ultra · $60/mo |
| Pricing summary | 5 published plans | 4 published plans |
| Categories |
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 | — | 2 (Java, Kotlin) |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Kiro
- Higher Neuron score (72 vs 40)
- Newer company (2025)
🔵 Strengths of Sweep
- Has raised more capital ($5.5M vs Undisclosed)
- Offers a free plan
- Offers a free trial
- More mature (2023)
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 $5.5M, 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 is cheaper to start. See the side-by-side table above.
Is Kiro cheaper than Sweep?
No — Sweep's cheapest paid plan is Basic · $10/mo, while Kiro's is Claude Pro · $20/mo.
Do Kiro and Sweep offer free plans?
Kiro: Yes, has a free plan. Sweep: Yes, has a free plan.
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