Update CUDA to 13.3 to Fix DeepSeek V4 Flash Looping Issue
Easy_Werewolf7903 · reddit · 2026-08-05
A developer shared a fix for the looping output issue when running DeepSeek V4 Flash 0731 locally.
- Issue: Using older CUDA versions (13.1 or 13.2) with Unsloth caused the model to start looping and degrade after a few minutes, making it unusable.
- Fix: Upgrading to CUDA 13.3 completely resolves the looping problem.
- Performance: Post-fix, the model runs flawlessly for long-horizon coding tasks and has successfully improved Qwen3.6 code, becoming the developer's daily driver.
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