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

Kiro vs Windsurf: what developers actually say

Based on 74 opinions on Hacker News from developers who discussed these two, most of them first-hand users.

Kiro
59%
approval · 38 opinions · 30 developers
last 90 days: –
Windsurf
58%
approval · 36 opinions · 35 developers
last 90 days: –

No clear winner emerges. Kiro's approval is 59% from 38 opinions and Windsurf's is 58% from 36, a one-point gap on small samples. Kiro has the stronger UX signal (8 positive, 3 negative) and autonomy signal (4 positive, 0 negative), while Windsurf's cost discussion is more active (4 positive, 3 negative) and its reliability signal is weaker (0 positive, 3 negative). With no explicit head-to-head picks, choose Kiro for UX and agent autonomy, or Windsurf for price-sensitive access to models and free usage.

Choose Kiro if

  • You prioritize UX and agent autonomy
  • You want the stronger UX balance in this sample
  • You can accept mixed reliability reports

Choose Windsurf if

  • You care about price and free usage
  • You want broad model access on a $20 plan
  • You can tolerate reliability complaints

Where each one wins and loses

PraiseComplaintsA = KiroB = Windsurf
UX
A
3
8
B
2
4
Reliability
A
4
2
B
3
Code quality
A
3
2
Autonomy
A
4
Cost & pricing
A
1
3
B
3
4

Side by side

KiroWindsurf
Approval
59%
58%
Last 90 days––
Opinions3836
First-hand users2631
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