Video by Iman Mostafavi (@imost) · originally posted on XView original post on X
DeepSeek Harness vs Pi
Flappy Bird on a local model
Iman Mostafavi@imostHarness comparison0 likes207 views
DeepSeek V4.1 Flash, quantized (EXL3) and run locally on two Sparks, builds Flappy Bird from the same prompt in DeepSeek Harness and in Pi. The author says DeepSeek Harness works much better for this model.
Same model in every harness: DeepSeek V4.1 Flash. All harness comparisons.
Harnesses and models
| Harness | Model | Environment | Notes |
|---|---|---|---|
| DeepSeek Harness | DeepSeek V4.1 FlashDeepSeek | Local, EXL3 quant, 2x Sparks | Left in the video |
| Pi | DeepSeek V4.1 FlashDeepSeek | Local, EXL3 quant, 2x Sparks | Right in the video. No audio or particle effects, per the author. |
Details
| Kind | Side-by-side (same post, same prompt) |
|---|---|
| Task | Flappy Bird on a local model |
| Author’s verdict | DeepSeek Harness works much better for this model; Pi generated no audio or particle effects. — @imost’s view (paraphrased) |
| Topic | Flappy Bird (2D/3D) |
| Category | Games |
| Mode | Not stated |
| Posted | |
| Video length | 30 s |
| Likes / views | 0 / 207 · as of Oct 18, 2026 |
| Bookmarks | 0 |
| Sponsored | No |
| Original post | x.com/imost/status/2099610861442904242 |
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