Kimi K3: what developers actually say
We read every Hacker News comment from Nov 2025 – Nov 2026 that gave a real opinion on Kimi K3. 67 of the 94 opinions come from people who say they use it themselves.
Developers give Kimi K3 73% approval across 94 opinions from 78 authors, and 67 of those opinions are firsthand. Code quality carries the score at 27 positive to 3 negative. Cost splits at 20 positive and 8 negative, and speed is the weak spot at 1 positive to 3 negative. Approval went from 72% in July to 80% in October, while monthly opinions fell from 43 to 10, so the recent reading rests on a small sample.
Pick it if
- Want strong code quality, rated 27 positive to 3 negative
- Want a daily driver that some developers prefer over Claude Opus 4.8 and GPT-5.6 Sol
- Do routine business programming and want a cheaper option than frontier US models
Look elsewhere if
- Need generous usage limits, rated 2 positive to 5 negative
- Need fast responses, rated 1 positive to 3 negative
- Need consistent output; reviewers report more variance than the top US models
Strengths and weaknesses
Each row counts opinions that mentioned the topic. Bars to the right of the line are praise, bars to the left are complaints.
How opinion has moved
What developers say
Praise
Complaints
Summaries are paraphrased. Each links to the original comment.
FAQ
Is Kimi K3 worth it?
Approval is 73% over 94 opinions and 74% over the last 90 days. Code quality is the main reason, at 27 positive to 3 negative. Cost is the main caution, at 20 positive to 8 negative.
Is Kimi K3 better than GLM 5.2?
The head-to-head data favors GLM. Two developers preferred GLM 5.2 and one preferred GLM 5.3, and none in the set preferred Kimi K3 over GLM. Reviewers also called Kimi K3 slower and more verbose than GLM 5.2 in recent testing.
Is Kimi K3 expensive?
Cost opinions lean positive at 20 to 8, so many developers find the price acceptable. Complaints center on the official subscription being out of stock with weak limits. One reviewer said the value weakened after Sol's price dropped, and another called it very expensive for spec writing.