DeepSeek V4.1 Flash vs Muse Spark Open
aka DeepSeek 4.1 Flash vs Muse-Spark-Open-816B-A42B
- CheaperDeepSeek V4.1 Flash1/1 postsmedian gap ~2.7×
As stated in each post, not a controlled benchmark.
Posts
1
About this matchup
DeepSeek V4.1 Flash 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.
DeepSeek V4.1 Flash vs Muse Spark Open: which is better for coding?
Which is better for coding, DeepSeek V4.1 Flash 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, DeepSeek V4.1 Flash or Muse Spark Open?
1 post states a cost for both: DeepSeek V4.1 Flash was cheaper in it (~2.7× cheaper). These are the costs the posts state for each run, not list prices.
What have DeepSeek V4.1 Flash and Muse Spark Open been tested on?
The most-viewed of the 1 post: retro space shooter (@alexfacethesun). Categories: Games.
Summary
DeepSeek V4.1 Flash and Muse Spark Open appear together in 1 post on X: retro space shooter (@alexfacethesun). It is part of larger lineups with other models. In @alexfacethesun's retro space shooter, DeepSeek V4.1 Flash was cheaper ($0.01 vs $0.027), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Retro space shooter@alexfacethesun | Muse Spark Open | — | $0.027 | — | They say Muse Spark Open built the best-looking game, but DeepSeek V4.1 Flash followed the brief better for a third of the price; Kimi K3 repeated its waves and was the most expensive run | X post |
| Retro space shooter@alexfacethesun | DeepSeek V4.1 Flash | — | $0.01 | — | They say Muse Spark Open built the best-looking game, but DeepSeek V4.1 Flash followed the brief better for a third of the price; Kimi K3 repeated its waves and was the most expensive run | 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 |
|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash | DeepSeek | |||||
| 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 2026-10-21. 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- Retro space shooterThey say Muse Spark Open built the best-looking game, but DeepSeek V4.1 Flash followed the brief better for a third of the price; Kimi K3 repeated its waves and was the most expensive run.— the author’s view, @alexfacethesun (paraphrased)
Prompts shown in the posts
A retro space shooter with three enemy wave types and a boss at 20 seconds, particle explosions, score and level counters. Include an autoplay mode that starts on load. — @alexfacethesun
Models
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