Comparisons / Cursor vs Kiro
AI coding tools · HN opinions Nov 2025 – Nov 2026
Cursor vs Kiro: what developers actually say
Based on 804 opinions on Hacker News from developers who discussed these two, most of them first-hand users.
Cursor comes out ahead on evidence and UX. It has 766 opinions from 600 authors at 55% approval, while Kiro has 38 opinions at 59%, a small base with no 90-day figure. Cursor leads on UX (101 positive to 59 negative) and speed (44 to 8), but trails on reliability (14 to 58), cost (58 to 60) and usage limits (17 to 20). Pick Kiro for AWS-centered, spec-driven teams watching spend, where 4 positive autonomy mentions and no negatives are the signal.
When developers explicitly said they prefer one or switched: 1 picked Cursor, 0 picked Kiro.
Choose Cursor if
- Want the most-reviewed option, with 766 opinions from 600 authors
- Care most about UX (101 positive, 59 negative) and speed (44 to 8)
- Can live with reliability (14 positive, 58 negative) and cost (58 to 60) complaints
Choose Kiro if
- Work in the AWS ecosystem and want spec-driven output
- Are watching spend, with 3 positive cost mentions to 1 negative
- Want strong autonomy signals, 4 positive and no negative
Where each one wins and loses
PraiseComplaintsA = CursorB = Kiro
UX
Cost & pricing
Code quality
Reliability
Speed
Autonomy
Usage limits
Customization
Why developers switched
Picked Cursor
Says Cursor beats Kiro and other direct rivals on speed, features and output quality, with a wide gap.HN comment · Apr 22, 2026
Picked Kiro
No explicit switches recorded.
Summaries are paraphrased. Each links to the original comment.