token.app › Compare › Qwen3.5-9B vs DeepSeek V4 Flash Latest

Qwen3.5-9B vs DeepSeek V4 Flash Latest

DeepSeek V4 Flash Latest is 1.0× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash Latest accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Qwen3.5-9BDeepSeek V4 Flash Latest
ProviderAlibaba~deepseek
Input $/1M$0.100$0.090
Output $/1M$0.150$0.180
Blended $/1M$0.113$0.113
Context window262K1.0M
Max output262K384K
ReleasedMar 2026Aug 2026
LicenceOpen weightsProprietary
Choose Qwen3.5-9B if…
  • Open weights — self-hostable
Choose DeepSeek V4 Flash Latest if…
  • Costs less per token — $0.113 vs $0.113 blended
  • Larger context window (1.0M)
  • Newer model (released Aug 2026)
FAQ
Which is better, Qwen3.5-9B or DeepSeek V4 Flash Latest?
We do not hold independently-run benchmark scores covering both Qwen3.5-9B and DeepSeek V4 Flash Latest, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Qwen3.5-9B cheaper than DeepSeek V4 Flash Latest?
DeepSeek V4 Flash Latest is cheaper: $0.113 versus $0.113 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.090. Output alone: $0.150 vs $0.180.
What context windows do Qwen3.5-9B and DeepSeek V4 Flash Latest have?
Qwen3.5-9B: 262,144 tokens. DeepSeek V4 Flash Latest: 1,048,576 tokens.
Who makes Qwen3.5-9B and DeepSeek V4 Flash Latest?
Qwen3.5-9B is made by Alibaba. DeepSeek V4 Flash Latest is made by ~deepseek.
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