Compare / Qwen3.5 Plus 2026-02-15 vs DeepSeek V4 Pro 0423

Qwen3.5 Plus 2026-02-15 vs DeepSeek V4 Pro 0423

4 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Qwen3.5 Plus 2026-02-15
Alibaba · profile
DeepSeek V4 Pro 0423
DeepSeek · profile
Results compared
4
Shared sources
3
BenchmarkMetricQwen3.5 Plus 2026-02-15DeepSeek V4 Pro 0423
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 25.4%47.0%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.8%97.2%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 10.7%8.6%
Vending-Bench 2reportedMoney after a yearUS dollars $0.54$3,284.52

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.