Kimi K3.1 Pro vs Muse Spark Open
aka Moonshot AI Kimi K3.1 Pro vs Muse-Spark-Open-816B-A42B
- CheaperMuse Spark Open1/1 postsmedian gap ~15×
As stated in each post, not a controlled benchmark.
Posts
1
About this matchup
Kimi K3.1 Pro vs Muse Spark Open 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.
Kimi K3.1 Pro vs Muse Spark Open: which is better for coding?
Which is better for coding, Kimi K3.1 Pro or Muse Spark Open?
None of the 1 post here names one of the two as the better result, so judge the outputs above for the work you care about.
Which is cheaper, Kimi K3.1 Pro or Muse Spark Open?
1 post states a cost for both: Muse Spark Open was cheaper in it (~15× cheaper). These are the costs the posts state for each run, not list prices.
What have Kimi K3.1 Pro and Muse Spark Open been tested on?
The most-viewed of the 1 post: ant colony foraging benchmark, four models (@AlicanKiraz0). Categories: Simulations.
Summary
Kimi K3.1 Pro and Muse Spark Open appear together in 1 post on X: ant colony foraging benchmark, four models (@AlicanKiraz0). It is part of larger lineups with other models. In @AlicanKiraz0's ant colony foraging benchmark, four models, Muse Spark Open was cheaper ($0.206 vs $3.001), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Ant colony foraging benchmark, four models@AlicanKiraz0 | Kimi K3.1 Pro | — | $3.001 | — | — | X post |
| Ant colony foraging benchmark, four models@AlicanKiraz0 | Muse Spark Open | — | $0.206 | — | The poster ranks DeepSeek V4.1 Flash 1017 first overall; Muse Spark Open made 0 deliveries across all four seeds. | 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 |
|---|---|---|---|---|---|---|
| Kimi K3.1 Pro | Moonshot AI | 2026-10-23 | 1,000,000 | Tech blog · Announcement | ||
| Muse Spark Open | Meta | 2026-10-15 | 1,000,000 | Launch post · Model page · Weights (Hugging Face) · Announcement on X |
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- Ant colony foraging benchmark, four modelsThe poster ranks DeepSeek V4.1 Flash 1017 first overall; Muse Spark Open made 0 deliveries across all four seeds.— the author’s view, @AlicanKiraz0 (paraphrased)
Models
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