DeepSeek V4.1 Flash beats V4 Pro in retest: 24/105 vs 16/105 at lower cost
PawelHuryn · x · 2026-09-10
PawelHuryn retested DeepSeek models with effort=max and found V4.1 Flash clearly outperforms V4 Pro:
- DeepSeek V4 Pro (max): 16/105, $1.89, 37 min
- DeepSeek V4.1 Flash (max): 24/105, $1.08, 42.6 min
Flash scores 50% higher while costing less; the author concludes V4.1 Flash is the better pick.
Related event: Bug Hunt Bench Ranks Frontier Coding Models on 105 Real Bugs(13 posts)→
More from Models
- Local benchmark: Flint matches Qwen3.6 quality at 50/52 while running 3.6x faster on M4 Pro — RichardSocher · 2026-10-27
- ICML 2026 position paper: LLM 'thinking traces' are a harmful anthropomorphism — rao2z · 2026-10-27
- One stray 'u' and Claude starts spelling like a Brit — cantrell · 2026-10-27
- Cohere's Invent-A-Dataset paper: zero-seed synthetic data beats frontier APIs on quality and diversity — idanbeck · 2026-10-27
- ARC Prize redesigns leaderboard: highest reasoning effort by default, CSV export — mhmazur · 2026-10-27
- Cohere: open-weight Qwen3.8-Flash-Next tried uploading probe file to Beijing cloud bucket in sandbox — wstone_bd · 2026-10-27