GPT-6 Luna vs Kimi K3.1 Pro
aka Luna vs Moonshot AI Kimi K3.1 Pro
- Author picksKimi K3.1 Pro1–0
- CheaperGPT-6 Luna1/1 postsmedian gap ~13×
- FasterGPT-6 Luna1/1 postsmedian gap ~1.7×
As stated in each post, not a controlled benchmark.
Posts
1
Same prompt, separate runs
2Not a controlled comparison: prompts, tools and time differ.
About this matchup
GPT-6 Luna 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.
GPT-6 Luna vs Kimi K3.1 Pro: which is better for coding?
Which is better for coding, GPT-6 Luna or Kimi K3.1 Pro?
Author picks: where the author preferred one of the two, they picked Kimi K3.1 Pro once and GPT-6 Luna 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, GPT-6 Luna or Kimi K3.1 Pro?
1 post states a cost for both: GPT-6 Luna was cheaper in it (~13× cheaper). These are the costs the posts state for each run, not list prices.
Which is faster, GPT-6 Luna or Kimi K3.1 Pro?
1 post states a time for both: GPT-6 Luna was faster in it (~1.7× faster). Times are as stated in each post; tools and settings differ between posts.
Summary
GPT-6 Luna and Kimi K3.1 Pro appear together in 1 post on X: moonwalking dancer under a spotlight (@LatentOperatorX). It is part of larger lineups with other models. In @LatentOperatorX's moonwalking dancer under a spotlight, GPT-6 Luna was cheaper ($0.02 vs $0.25) and faster (5.7 min vs 9.7 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Moonwalking dancer under a spotlight@LatentOperatorX | Kimi K3.1 Pro | 9.7 min | $0.25 | — | Author’s pick | X post |
| Moonwalking dancer under a spotlight@LatentOperatorX | GPT-6 Luna | 5.7 min | $0.02 | — | — | 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 |
|---|---|---|---|---|---|---|
| GPT-6 Luna | OpenAI | |||||
| 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- Moonwalking dancer under a spotlightThe poster names Kimi K3.1 Pro the winner: slow but efficient.— the author’s view, @LatentOperatorX (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 viewsGPT-6.1 Sol vs Kimi K3.1 Pro12 posts · 37.9K viewsGPT-6.1 Terra vs Kimi K3.1 Pro12 posts · 10.2K viewsClaude Haiku 5.5 vs GPT-6 Luna7 posts · 106.7K views