token.app › Compare › Qwen3.5 Plus 2026-02-15 vs DeepSeek V4 Flash 0731

Qwen3.5 Plus 2026-02-15 vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is 5.2× 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
Qwen3.5 Plus 2026-02-15DeepSeek V4 Flash 0731
ProviderAlibabaDeepSeek
Input $/1M$0.260$0.090
Output $/1M$1.56$0.180
Blended $/1M$0.585$0.113
Context window1M1.0M
Max output66K384K
ReleasedFeb 2026Jul 2026
LicenceProprietaryOpen weights
Choose Qwen3.5 Plus 2026-02-15 if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
  • Costs less per token — $0.113 vs $0.585 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Qwen3.5 Plus 2026-02-15 or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both Qwen3.5 Plus 2026-02-15 and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Qwen3.5 Plus 2026-02-15 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $0.585 per million tokens blended at 3:1 input:output. Input alone: $0.260 vs $0.090. Output alone: $1.56 vs $0.180.
What context windows do Qwen3.5 Plus 2026-02-15 and DeepSeek V4 Flash 0731 have?
Qwen3.5 Plus 2026-02-15: 1,000,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Qwen3.5 Plus 2026-02-15 and DeepSeek V4 Flash 0731?
Qwen3.5 Plus 2026-02-15 is made by Alibaba. DeepSeek V4 Flash 0731 is made by DeepSeek.
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