Hy4 vs Kimi K3.1 Pro
aka Tencent Hy4 vs Moonshot AI Kimi K3.1 Pro
- Author picksEven1–1
- CheaperHy41/1 postsmedian gap ~7.1×
As stated in each post, not a controlled benchmark.
Posts
3
Same prompt, separate runs
3Not a controlled comparison: prompts, tools and time differ.
About this matchup
Hy4 vs Kimi K3.1 Pro in real side-by-side tests: 3 posts from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Hy4 vs Kimi K3.1 Pro: which is better for coding?
Which is better for coding, Hy4 or Kimi K3.1 Pro?
Author picks: where the author preferred one of the two, they picked Hy4 once and Kimi K3.1 Pro once. That covers 2 of the 3 posts here; each post is a different task, so watch the outputs above for the work you care about.
Which is cheaper, Hy4 or Kimi K3.1 Pro?
1 post states a cost for both: Hy4 was cheaper in it (~7.1× cheaper). These are the costs the posts state for each run, not list prices.
What have Hy4 and Kimi K3.1 Pro been tested on?
The most-viewed of the 3 posts: voxel pagoda test, Hy4 against three models (@MingTian685474), wrecking ball vs block tower, Hy4 vs Kimi K3.1 Pro (@ivanainai), pelican SVG ranked, three models (@xueyu1125). Categories: Simulations, 3D & Shaders, Animations/SVG.
Summary
Hy4 and Kimi K3.1 Pro appear together in 3 posts on X: wrecking ball vs block tower, Hy4 vs Kimi K3.1 Pro (@ivanainai), pelican SVG ranked, three models (@xueyu1125) and voxel pagoda test, Hy4 against three models (@MingTian685474). 2 of them are part of larger lineups with other models. In @ivanainai's wrecking ball vs block tower, Hy4 vs Kimi K3.1 Pro, Hy4 was cheaper ($0.063 vs $0.45), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Wrecking ball vs block tower, Hy4 vs Kimi K3.1 Pro@ivanainai | Hy4 | — | $0.063 | — | Author’s pick | X post |
| Wrecking ball vs block tower, Hy4 vs Kimi K3.1 Pro@ivanainai | Kimi K3.1 Pro | — | $0.45 | — | Hy4 does the same destruction test for about 7x less, and the poster calls Kimi K3.1 Pro overpriced. | X post |
| Pelican SVG ranked, three models@xueyu1125 | Kimi K3.1 Pro | — | — | — | Author’s rank #2 | X post |
| Pelican SVG ranked, three models@xueyu1125 | Hy4 | — | — | — | Author’s rank #3 | X post |
| Voxel pagoda test, Hy4 against three models@MingTian685474 | Hy4 | — | — | — | Hy4 is an improvement over Hy4 Preview, but still doesn’t look as good as DeepSeek. | X post |
| Voxel pagoda test, Hy4 against three models@MingTian685474 | Kimi K3.1 Pro | — | — | — | — | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Quick facts
| Model | Vendor | Released | Input $/1M tokens | Output $/1M tokens | Context (tokens) | Official links |
|---|---|---|---|---|---|---|
| Hy4 | Tencent | 2026-11-04 | Announcement | |||
| Kimi K3.1 Pro | Moonshot AI | 2026-10-23 | 1,000,000 | Tech blog · Announcement |
From the vendors’ official pages, checked 2026-11-04. Standard API list prices; each value links its source and a blank cell could not be verified. The archive’s own numbers above are what each post states.
Who won where
3- Wrecking ball vs block tower, Hy4 vs Kimi K3.1 ProHy4 does the same destruction test for about 7x less, and the poster calls Kimi K3.1 Pro overpriced.— the author’s view, @ivanainai (paraphrased)
- Pelican SVG ranked, three modelsDeepSeek V4.1 Flash 1017 ranks first, then Kimi K3.1 Pro, Hy4 and Hy4 Preview.— the author’s view, @xueyu1125 (paraphrased)
- Voxel pagoda test, Hy4 against three modelsHy4 is an improvement over Hy4 Preview, but still doesn’t look as good as DeepSeek.— the author’s view, @MingTian685474 (paraphrased)
Models
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