DeepSeek-V4-FlashvsQwen3.6-Plus
DeepSeek-V4-Flash | Qwen3.6-Plus | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 18% | 72%Best |
Competitive coding LiveCodeBenchCoding problems published so recently the AI can't have seen them in training — a contamination-free test of raw programming skill. Higher is better. | 91.6% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 88.1% | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1577 | — |
| Overview | ||
| Company | DeepSeek | Qwen |
| Release date | Apr 24 2026 | Apr 2 2026 |
| Access | Open Weight | Proprietary |
Which is better: DeepSeek-V4-Flash or Qwen3.6-Plus?
Qwen3.6-Plus leads DeepSeek-V4-Flash on 1 of the 1 benchmark they both report (BullshitBench v2). Qwen3.6-Plus shipped 22 days before DeepSeek-V4-Flash, so benchmark comparisons should account for the intervening progress.
DeepSeek-V4-Flash is open weight, while Qwen3.6-Plus is proprietary.
On BullshitBench v2, Qwen3.6-Plus leads at 72% vs DeepSeek-V4-Flash at 18%.
Frequently asked questions
DeepSeek-V4-Flash was released by DeepSeek on Apr 24 2026.
Qwen3.6-Plus was released by Qwen on Apr 2 2026.
DeepSeek-V4-Flash is an open weight model released by DeepSeek. Qwen3.6-Plus is a proprietary model released by Qwen.
Other comparisons
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