Kimi K3 vs Kimi K3.1 Pro
aka Kimi K3 vs Moonshot AI Kimi K3.1 Pro
- Author picksKimi K3.1 Pro2–0
- FasterKimi K31/1 postsmedian gap ~1.3×
As stated in each post, not a controlled benchmark.
Posts
5
Voxel Battle of Teutoburg Forest, Kimi K3.1 Pro vs Kimi K3: Kimi K3, Kimi K3.1 Pro. Posted by @ItsCuthulhu.
3D solar system, four models, one shot: Kimi K3.1 Pro, DeepSeek V4.1 Flash 1017, Claude Sonnet 5.5, Kimi K3. Posted by @nexightai.
Pelican on a bicycle, Kimi K3.1 Pro vs Kimi K3: Kimi K3.1 Pro, Kimi K3. Posted by @hiwise_aigc.
Moon UI animation, Kimi K3.1 Pro vs Kimi K3: Kimi K3.1 Pro, Kimi K3. Posted by @HarshithLucky3.
Same prompt, separate runs
7Not a controlled comparison: prompts, tools and time differ.
About this matchup
Kimi K3 vs Kimi K3.1 Pro in real side-by-side tests: 5 posts from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Kimi K3 vs Kimi K3.1 Pro: which is better for coding?
Which is better for coding, Kimi K3 or Kimi K3.1 Pro?
Author picks: where the author preferred one of the two, they picked Kimi K3.1 Pro twice and Kimi K3 never. That covers 2 of the 5 posts here; each post is a different task, so watch the outputs above for the work you care about.
Which is faster, Kimi K3 or Kimi K3.1 Pro?
1 post states a time for both: Kimi K3 was faster in it (~1.3× faster). Times are as stated in each post; tools and settings differ between posts.
What have Kimi K3 and Kimi K3.1 Pro been tested on?
The most-viewed of the 5 posts: moon UI animation, Kimi K3.1 Pro vs Kimi K3 (@HarshithLucky3), pelican on a bicycle, Kimi K3.1 Pro vs Kimi K3 (@hiwise_aigc), voxel Battle of Teutoburg Forest, Kimi K3.1 Pro vs Kimi K3 (@ItsCuthulhu). Categories: 3D & Shaders, Animations/SVG, Web/UI.
Summary
Kimi K3 and Kimi K3.1 Pro appear together in 5 posts on X: 3D electric motor, Kimi K3.1 Pro vs Kimi K3 (@CanopyWave_CW), voxel Battle of Teutoburg Forest, Kimi K3.1 Pro vs Kimi K3 (@ItsCuthulhu), 3D solar system, four models, one shot (@nexightai), pelican on a bicycle, Kimi K3.1 Pro vs Kimi K3 (@hiwise_aigc) and moon UI animation, Kimi K3.1 Pro vs Kimi K3 (@HarshithLucky3). 1 of them are part of larger lineups with other models. In @ItsCuthulhu's voxel Battle of Teutoburg Forest, Kimi K3.1 Pro vs Kimi K3, Kimi K3 was faster (13.6 min vs 17.5 min), as reported in the post.
What each post reports
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 |
|---|---|---|---|---|---|---|
| Kimi K3 | Moonshot AI | |||||
| Kimi K3.1 Pro | Moonshot AI | 2026-10-23 | 1,000,000 | Tech blog · Announcement |
From the vendors’ official pages, checked 2026-10-24. 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- 3D solar system, four models, one shotThe poster says Kimi K3.1 Pro built the most polished UI of the four and also cost the most.— the author’s view, @nexightai (paraphrased)
- Pelican on a bicycle, Kimi K3.1 Pro vs Kimi K3The poster was surprised by how weak the Kimi K3 result was.— the author’s view, @hiwise_aigc (paraphrased)
- Moon UI animation, Kimi K3.1 Pro vs Kimi K3The poster finds the cute little moon animation very good.— the author’s view, @HarshithLucky3 (paraphrased)
Models
Related matchups
Claude Opus 5.5 vs Kimi K3.1 Pro52 posts · 316K viewsGPT-6 Astra vs Kimi K3.1 Pro25 posts · 241.1K viewsDeepSeek V4.1 Flash 1017 vs Kimi K3.1 Pro15 posts · 21.2K viewsClaude Opus 5.5 vs Kimi K314 posts · 223.7K viewsGPT-6.1 Sol vs Kimi K3.1 Pro12 posts · 37.9K viewsGPT-6.1 Terra vs Kimi K3.1 Pro12 posts · 10.2K views