GLM 5.3 Flash vs Kimi K3.1 Pro
aka GLM 5.3 Flash vs Moonshot AI Kimi K3.1 Pro
- Author picksKimi K3.1 Pro1–0
- CheaperKimi K3.1 Pro1/1 postsmedian gap ~1.3×
As stated in each post, not a controlled benchmark.
Posts
1
Same prompt, separate runs
4Not a controlled comparison: prompts, tools and time differ.
About this matchup
GLM 5.3 Flash vs Kimi K3.1 Pro in real side-by-side tests: 1 post from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
GLM 5.3 Flash vs Kimi K3.1 Pro: which is better for coding?
Which is better for coding, GLM 5.3 Flash or Kimi K3.1 Pro?
Author picks: where the author preferred one of the two, they picked Kimi K3.1 Pro once and GLM 5.3 Flash never. That covers 1 of the 1 post here; each post is a different task, so watch the outputs above for the work you care about.
Which is cheaper, GLM 5.3 Flash or Kimi K3.1 Pro?
1 post states a cost for both: Kimi K3.1 Pro was cheaper in it (~1.3× cheaper). These are the costs the posts state for each run, not list prices.
What have GLM 5.3 Flash and Kimi K3.1 Pro been tested on?
The most-viewed of the 1 post: erupting 3D volcano, Kimi K3.1 Pro and 3 others (@criscxuan). Categories: 3D & Shaders, Simulations.
Summary
GLM 5.3 Flash and Kimi K3.1 Pro appear together in 1 post on X: erupting 3D volcano, Kimi K3.1 Pro and 3 others (@criscxuan). It is part of larger lineups with other models. In @criscxuan's erupting 3D volcano, Kimi K3.1 Pro and 3 others, Kimi K3.1 Pro was cheaper ($1.50 vs $2.00), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Erupting 3D volcano, Kimi K3.1 Pro and 3 others@criscxuan | Kimi K3.1 Pro | — | $1.50 | — | Author’s pick | X post |
| Erupting 3D volcano, Kimi K3.1 Pro and 3 others@criscxuan | GLM 5.3 Flash | — | $2.00 | — | — | 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 |
|---|---|---|---|---|---|---|
| GLM 5.3 Flash | Zhipu AI (Z.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
1- Erupting 3D volcano, Kimi K3.1 Pro and 3 othersThe poster says Kimi K3.1 Pro has great detail and a big jump in 3D modeling, better than Astra Max.— the author’s view, @criscxuan (paraphrased)
Models
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