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Alibaba Cloud (Qwen)

Qwen3.6-Plus

VS
DeepSeek

DeepSeek V4 Flash

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Qwen3.6-Plus is the premium intelligence choice, scoring 7.5% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: DeepSeek V4 Flash is 6.4x cheaper to run and delivers 2.1x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, DeepSeek V4 Flash offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Qwen3.6-Plus fully justifies the cost.

Model Specs

Qwen3.6-Plus

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+7.5%)
56.6%
Reasoning (gpqa-diamond)Winner (+10.4%)
90.4%

Cost & Performance

Cost (per 1M tokens)
$1.13Input: $0.50 | Output: $3.00
Speed
52 tps
Context Window
1M tokens
Model Specs

DeepSeek V4 Flash

Benchmarks & Scores

Coding (swe-bench-pro)
49.1%
Reasoning (gpqa-diamond)
80%

Cost & Performance

Cost (per 1M tokens)6.4x cheaper
$0.17Input: $0.14 | Output: $0.28
Speed2.1x faster
109.1 tps
Context Window
1M tokens

Frequently Asked Questions

DeepSeek V4 Flash is cheaper than Qwen3.6-Plus. DeepSeek V4 Flash has a blended cost of $0.17/1M tokens, which is about 6.4x cheaper than Qwen3.6-Plus at $1.13/1M tokens.

DeepSeek V4 Flash is faster than Qwen3.6-Plus. DeepSeek V4 Flash generates 109.1 tokens per second (tps) compared to Qwen3.6-Plus which generates 52 tokens per second.

Qwen3.6-Plus is better for coding tasks. It scores 56.6% on coding evaluations (swe-bench-pro) compared to DeepSeek V4 Flash which scores 49.1%.

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