token.app โ€บ Compare โ€บ Qwen-Plus vs DeepSeek V4 Flash 0731

Qwen-Plus vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 leads on 2 of 2 shared benchmarks. DeepSeek V4 Flash 0731 is 3.5ร— cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Qwen-PlusDeepSeek V4 Flash 0731
ProviderAlibabaDeepSeek
Input $/1M$0.260$0.090
Output $/1M$0.780$0.180
Blended $/1M$0.390$0.113
Context window1M1.0M
Max output33K384K
ReleasedFeb 2025Jul 2026
LicenceProprietaryOpen weights
GPQA Diamond 48.1% 91.0%
OTIS Mock AIME 17.8% 94.4%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen-Plus ifโ€ฆ
  • No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 ifโ€ฆ
  • Costs less per token โ€” $0.113 vs $0.390 blended
  • Higher GPQA Diamond (91.0% vs 48.1%)
  • Higher OTIS Mock AIME (94.4% vs 17.8%)
  • Larger context window (1.0M)
  • Open weights โ€” self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Qwen-Plus or DeepSeek V4 Flash 0731?
Across the 2 benchmarks both models have independently-run scores for, Qwen-Plus leads on 0 and DeepSeek V4 Flash 0731 leads on 2. Benchmarks are one input โ€” price and context window are on this page too.
Is Qwen-Plus cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.390 per million tokens blended at 3:1 input:output. Input alone: $0.260 vs $0.090. Output alone: $0.780 vs $0.180.
What context windows do Qwen-Plus and DeepSeek V4 Flash 0731 have?
Qwen-Plus: 1,000,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Qwen-Plus and DeepSeek V4 Flash 0731?
Qwen-Plus is made by Alibaba. DeepSeek V4 Flash 0731 is made by DeepSeek.
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