DeepSeek V4.1 Flash 1017 vs GPT-6 Luna
aka DeepSeek 1017 vs Luna
- Author picksDeepSeek V4.1 Flash 10171–0
- CheaperGPT-6 Luna2/2 postsmedian gap ~3.1×
- FasterGPT-6 Luna3/3 postsmedian gap ~3.9×
As stated in each post, not a controlled benchmark.
Posts
5Decorated neon store, one shot: DeepSeek V4.1 Flash 1017, GPT-6 Luna. Posted by @crossstardesign.
GPU showcase website from given image assets, four models: DeepSeek V4.1 Flash 1017, GPT-6 Luna, Claude Haiku 5.5, MiniMax M3.1 Flash. Posted by @VulKan42069.
Pelican driving a flying roadster: MiniMax M3.1 Flash, Claude Haiku 5.5, DeepSeek V4.1 Flash 1017, GPT-6 Luna. Posted by @noclipepe.
Mona Lisa on a pelican on a PS5 controller: DeepSeek V4.1 Flash 1017, MiniMax M3.1 Flash, GPT-6 Luna, Claude Haiku 5.5. Posted by @jan_volad.
Same prompt, separate runs
4Not a controlled comparison: prompts, tools and time differ.
About this matchup
DeepSeek V4.1 Flash 1017 vs GPT-6 Luna in real side-by-side tests: 5 posts from X where both got the same prompt; 3 posts report cost or time. Judge coding ability from the actual outputs.
DeepSeek V4.1 Flash 1017 vs GPT-6 Luna: which is better for coding?
Which is better for coding, DeepSeek V4.1 Flash 1017 or GPT-6 Luna?
Author picks: where the author preferred one of the two, they picked DeepSeek V4.1 Flash 1017 once and GPT-6 Luna never. That covers 1 of the 5 posts here; each post is a different task, so watch the outputs above for the work you care about.
Which is cheaper, DeepSeek V4.1 Flash 1017 or GPT-6 Luna?
2 posts state a cost for both: GPT-6 Luna was cheaper in both (median gap ~3.1×). These are the costs the posts state for each run, not list prices.
Which is faster, DeepSeek V4.1 Flash 1017 or GPT-6 Luna?
3 posts state a time for both: GPT-6 Luna was faster in all 3 (median gap ~3.9×). Times are as stated in each post; tools and settings differ between posts.
Summary
DeepSeek V4.1 Flash 1017 and GPT-6 Luna appear together in 5 posts on X: moonwalking dancer under a spotlight (@LatentOperatorX), decorated neon store, one shot (@crossstardesign), GPU showcase website from given image assets, four models (@VulKan42069), pelican driving a flying roadster (@noclipepe) and mona Lisa on a pelican on a PS5 controller (@jan_volad). 4 of them are part of larger lineups with other models. In @noclipepe's pelican driving a flying roadster, GPT-6 Luna was cheaper ($0.14 vs $0.51) and faster (17.7 min vs 1 h 09 min), as reported in the post. In @VulKan42069's GPU showcase website from given image assets, four models, GPT-6 Luna was faster (3.3 min vs 34 min), as reported in the post. In @LatentOperatorX's moonwalking dancer under a spotlight, GPT-6 Luna was cheaper ($0.02 vs $0.05) and faster (5.7 min vs 7.3 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 |
|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash 1017 | DeepSeek | 2026-10-17 | $0.30peak hours; off-peak is half price | $1.20peak hours; off-peak is half price | 1,000,000 | Release notes · Pricing |
| GPT-6 Luna | OpenAI |
From the vendors’ official pages, checked 2026-10-19. 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- Decorated neon store, one shotThe poster says DeepSeek V4.1 Flash 1017 filled the store with shelves, neon and warm lights, while GPT-6 Luna gave a dark empty room with one box copied many times.— the author’s view, @crossstardesign (paraphrased)












