JetBrains AI Assistant vs Kiro
Which Agents AI tool is better in 2026?
JetBrains AI Assistant
AI inside IntelliJ, PyCharm, WebStorm — code without leaving your JetBrains IDE
Kiro
Amazon's spec-driven AI IDE — build with PRDs, not prompts
Side-by-side
| JetBrains AI Assistant | Kiro | |
|---|---|---|
| Tagline | AI inside IntelliJ, PyCharm, WebStorm — code without leaving your JetBrains IDE | Amazon's spec-driven AI IDE — build with PRDs, not prompts |
| Founded | 2024 | 2025 |
| HQ | Prague, CZ | Seattle, US |
| Employees | 5000+ | 201-500 |
| Total funding | Undisclosed | Undisclosed |
| Latest round | corporate-backed · Jan 2024 | corporate-backed · Jul 2025 |
| Valuation | — | — |
| Cheapest paid plan | — | Claude Pro · $20/mo |
| Free plan | ✓ Free | ✓ Claude Free |
| Free trial | ✓ | ✗ |
| Top tier price | AI Enterprise · Contact sales | Claude Power · $200/mo |
| Pricing summary | 2 published plans | 5 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for JetBrains AI Assistant and Kiro.
| Capability | JetBrains AI Assistant | Kiro |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (Kotlin, Java) | — |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of JetBrains AI Assistant
- Higher Neuron score (75 vs 72)
- Offers a free plan
- Offers a free trial
- More mature (2024)
🔵 Strengths of Kiro
- Newer company (2025)
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 Kiro if you want the most established option — it has raised Undisclosed, 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
JetBrains AI Assistant vs Kiro — which is better?
It depends on your priority. JetBrains AI Assistant is the leaner option; Kiro has broader feature depth. See the side-by-side table above.
Is JetBrains AI Assistant cheaper than Kiro?
Yes — JetBrains AI Assistant's cheapest paid plan is Free, while Kiro's is Claude Pro · $20/mo.
Do JetBrains AI Assistant and Kiro offer free plans?
JetBrains AI Assistant: Yes, has a free plan. Kiro: Yes, has a free plan.
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