DevConsensus
Comparisons / JetBrains Junie vs Kiro
AI coding tools · HN opinions Nov 2025 – Nov 2026

JetBrains Junie vs Kiro: what developers actually say

Based on 91 opinions on Hacker News from developers who discussed these two, most of them first-hand users.

JetBrains Junie
60%
approval · 53 opinions · 34 developers
last 90 days: 33%
Kiro
59%
approval · 38 opinions · 30 developers
last 90 days: –

Neither tool wins a head-to-head: approval is 60% for Junie and 59% for Kiro, and no commenter stated a direct preference. Junie has the larger sample (53 opinions, 45 firsthand) and better code-quality marks (8 positive, 1 negative), but its 90-day approval is 33% and the latest month shows 6 opinions at 17%. Kiro leads on UX (8 positive, 3 negative) and autonomy (4 positive, 0 negative), but reliability runs negative (2 positive, 4 negative) and there is no 90-day figure. Pick Junie for cheap, predictable work inside JetBrains IDEs; pick Kiro for spec-driven tasks where autonomy and UX matter.

Choose JetBrains Junie if

  • Use JetBrains IDEs every day
  • Want heavy use under $50 a month
  • Prefer a predictable agent for small refactors

Choose Kiro if

  • Want strong spec-driven autonomy
  • Care about UX polish
  • Already live in the AWS ecosystem

Where each one wins and loses

PraiseComplaintsA = JetBrains JunieB = Kiro
Reliability
A
4
5
B
4
2
Code quality
A
1
8
B
3
2
UX
A
3
4
B
3
8
Cost & pricing
A
2
5
B
1
3
Speed
A
1
4
Autonomy
B
4

Side by side

JetBrains JunieKiro
Approval
60%
59%
Last 90 days33%–
Opinions5338
First-hand users4526
TypeIDE agentAI IDE
Made byJetBrainsAWS
WebsiteVisit ↗Visit ↗

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