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Model comparison

DeepSeek V4 Flash (High) vs Qwen3.6 Plus

Data verified

Head-to-head evidence from 26 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

53.95/100
Margin
11.3pts
winning →
65.2/100
1 category wins3 category wins

Public leaderboard positions: DeepSeek V4 Flash (High) #92 (Estimated); Qwen3.6 Plus #30 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V4 Flash (High) and Qwen3.6 Plus share 26 comparable benchmark results. 4 of 8 categories are comparable. 12 results are unique to DeepSeek V4 Flash (High); 34 to Qwen3.6 Plus.

Updated July 23, 2026
Shared results
26
DeepSeek V4 Flash (High) only
12
Qwen3.6 Plus only
34
Comparable categories
4 / 8

Pick Qwen3.6 Plus if you want the stronger benchmark profile. DeepSeek V4 Flash (High) only becomes the better choice if mathematics is the priority.

Confidence note. This is a partial-evidence comparison with 26 shared benchmark results across 7 evidence categories; 4 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Qwen3.6 Plus is clearly ahead on the BenchAlign aggregate, 65.2 to 53.95. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Qwen3.6 Plus's sharpest advantage is in agentic, where it averages 61.6 against 55.3. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 56.6% to 61.6%. DeepSeek V4 Flash (High) does hit back in mathematics, so the answer changes if that is the part of the workload you care about most.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for DeepSeek V4 Flash (High) and Qwen3.6 Plus
CategoryDeepSeek V4 Flash (High)ΔQwen3.6 Plus
MathDeepSeek V4 Flash (High)91.9Margin 31.4Qwen3.6 Plus60.5
AgenticDeepSeek V4 Flash (High)55.3Margin 6.3Qwen3.6 Plus61.6
KnowledgeDeepSeek V4 Flash (High)52.1Margin 5.0Qwen3.6 Plus57.1
CodingDeepSeek V4 Flash (High)68.5Margin 1.8Qwen3.6 Plus70.3
ReasoningDeepSeek V4 Flash (High)Not measuredMarginNo overlapQwen3.6 Plus62.0
MultilingualDeepSeek V4 Flash (High)Not measuredMarginNo overlapQwen3.6 Plus84.7
MultimodalDeepSeek V4 Flash (High)Not measuredMarginNo overlapQwen3.6 Plus79.8
Inst. FollowingDeepSeek V4 Flash (High)Not measuredMarginNo overlapQwen3.6 Plus82.3

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · DeepSeek V4 Flash (High)B · Qwen3.6 Plus
  1. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 56.6%B 61.6%
    Winner: Qwen3.6 PlusΔ 5
    Terminal-Bench 2.0: DeepSeek V4 Flash (High) scored 56.6%; Qwen3.6 Plus scored 61.6%. Qwen3.6 Plus wins this benchmark.
  2. SWE-bench Pro

    Coding
    Source ↗
    A 52.3%B 56.6%
    Winner: Qwen3.6 PlusΔ 4.3
    SWE-bench Pro: DeepSeek V4 Flash (High) scored 52.3%; Qwen3.6 Plus scored 56.6%. Qwen3.6 Plus wins this benchmark.
  3. HMMT Feb 2026

    Math
    Source ↗
    A 91.9%B 87.8%
    Winner: DeepSeek V4 Flash (High)Δ 4.1
    HMMT Feb 2026: DeepSeek V4 Flash (High) scored 91.9%; Qwen3.6 Plus scored 87.8%. DeepSeek V4 Flash (High) wins this benchmark.
  4. GPQA

    Knowledge
    Source ↗
    A 87.4%B 90.4%
    Winner: Qwen3.6 PlusΔ 3
    GPQA: DeepSeek V4 Flash (High) scored 87.4%; Qwen3.6 Plus scored 90.4%. Qwen3.6 Plus wins this benchmark.
  5. MMLU-Pro

    Knowledge
    Source ↗
    A 86.4%B 88.5%
    Winner: Qwen3.6 PlusΔ 2.1
    MMLU-Pro: DeepSeek V4 Flash (High) scored 86.4%; Qwen3.6 Plus scored 88.5%. Qwen3.6 Plus wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricDeepSeek V4 Flash (High)Qwen3.6 PlusComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Flash (High)$0.14 input / $0.28 outputQwen3.6 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Flash (High)Not availableQwen3.6 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Flash (High)Not availableQwen3.6 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Flash (High)1MQwen3.6 Plus1MListed context windows are equal.

Benchmark Deep Dive

AgenticQwen3.6 Plus wins
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
Terminal-Bench 2.0Source 56.6%61.6%Qwen3.6 Plus leads
BrowseCompSource 53.5%Not comparable
HLE w/ toolsSource 40.3%Not comparable
MCP AtlasSource 67.4%48.2%DeepSeek V4 Flash (High) leads
ToolathlonSource 43.5%39.8%DeepSeek V4 Flash (High) leads
τ²-bench resultsSource 95.6%97.7%Qwen3.6 Plus leads
AA Agentic IndexSource 28.2%27.6%DeepSeek V4 Flash (High) leads
GDPval-AASource 32.4%31.8%DeepSeek V4 Flash (High) leads
GDPval-AASource 11471135DeepSeek V4 Flash (High) leads
Claw-EvalSource 58.8%Not comparable
QwenClawBenchSource 57.2%Not comparable
τ³-bench resultsSource 70.7%Not comparable
VITA-BenchSource 44.3%Not comparable
DeepPlanningSource 41.5%Not comparable
MCP-TasksSource 74.1%Not comparable
WideResearchSource 74.3%Not comparable
Gert LabsSource 50.60%Not comparable
ResearchClawBenchSource 18.0%Not comparable
CodingQwen3.6 Plus wins
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
CodeforcesSource 2816.0Not comparable
SWE-bench VerifiedSource 78.6%78.8%Qwen3.6 Plus leads
SWE-bench ProSource 52.3%56.6%Qwen3.6 Plus leads
SWE MultilingualSource 70.2%73.8%Qwen3.6 Plus leads
Terminal-Bench 2.0Source 56.6%Not comparable
AA-SciCodeSource 42.0%40.7%DeepSeek V4 Flash (High) leads
AA Coding IndexSource 52.0%54.5%Qwen3.6 Plus leads
LiveCodeBench v6Source 87.1%Not comparable
Vibe Code BenchSource 25.56%Not comparable
Reasoning
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
MRCR 1MSource 76.9%Not comparable
CorpusQA 1MSource 59.3%Not comparable
AA-LCRSource 62.7%69.7%Qwen3.6 Plus leads
CritPtSource 3.4%2.9%DeepSeek V4 Flash (High) leads
AI-NeedleSource 68.3%Not comparable
LongBench v2Source 62%Not comparable
KnowledgeQwen3.6 Plus wins
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
MMLU-ProSource 86.4%88.5%Qwen3.6 Plus leads
SimpleQASource 28.9%Not comparable
Chinese-SimpleQASource 73.2%Not comparable
GPQASource 87.4%90.4%Qwen3.6 Plus leads
GPQA-DSource 87.4%Not comparable
HLESource 29.4%28.8%DeepSeek V4 Flash (High) leads
Artificial Analysis Intelligence IndexSource 37.5%39.6%Qwen3.6 Plus leads
AA-GPQA DiamondSource 86.7%88.2%Qwen3.6 Plus leads
AA-HLESource 27.8%25.7%DeepSeek V4 Flash (High) leads
AA-Omniscience IndexSource -22.3%2.7%Qwen3.6 Plus leads
AA-Omniscience AccuracySource 35.5%26.2%DeepSeek V4 Flash (High) leads
AA-Omniscience Hallucination RateSource 89.7%32.0%Qwen3.6 Plus leads
SuperGPQASource 71.6%Not comparable
MMLU-ReduxSource 94.5%Not comparable
C-EvalSource 93.3%Not comparable
MathDeepSeek V4 Flash (High) wins
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
HMMT Feb 2026Source 91.9%87.8%DeepSeek V4 Flash (High) leads
IMOAnswerBenchSource 85.1%Not comparable
ApexSource 19.1%Not comparable
Apex ShortlistSource 72.1%Not comparable
AIME26Source 95.3%Not comparable
HMMT Feb 2025Source 96.7%Not comparable
HMMT Nov 2025Source 94.6%Not comparable
MMAnswerBenchSource 83.8%Not comparable
FrontierMath v2 (Tiers 1-3)Source 26.207%Not comparable
FrontierMath v2 (Tier 4)Source 8.333%Not comparable
Multilingual
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
MMLU-ProXSource 84.7%Not comparable
NOVA-63Source 57.9%Not comparable
Multimodal
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
Design Arena WebsiteSource 12381249Qwen3.6 Plus leads
MMMUSource 86.0%Not comparable
MMMU-ProSource 78.8%Not comparable
MathVisionSource 88.0%Not comparable
VideoMMMUSource 84.0%Not comparable
ScreenSpot ProSource 68.2%Not comparable
CharXivSource 81.5%Not comparable
V*Source 96.9%Not comparable
AA-MMMU-ProSource 78.0%Not comparable
Inst. Following
BenchmarkDeepSeek V4 Flash (High)Qwen3.6 PlusResult
AA-IFBenchSource 73.5%75.2%Qwen3.6 Plus leads
IFEvalSource 94.3%Not comparable
IFBenchSource 75.8%Not comparable
Frequently Asked Questions (5)

Which is better, DeepSeek V4 Flash (High) or Qwen3.6 Plus?

Qwen3.6 Plus is ahead on BenchLM's BenchAlign leaderboard, 65.2 to 53.95. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 56.6% and 61.6%.

Which is better for knowledge tasks, DeepSeek V4 Flash (High) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for knowledge tasks in this comparison, averaging 57.1 versus 52.1. Inside this category, AA-Omniscience Hallucination Rate is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V4 Flash (High) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for coding in this comparison, averaging 70.3 versus 68.5. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V4 Flash (High) or Qwen3.6 Plus?

DeepSeek V4 Flash (High) has the edge for math in this comparison, averaging 91.9 versus 60.5. Inside this category, HMMT Feb 2026 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek V4 Flash (High) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for agentic tasks in this comparison, averaging 61.6 versus 55.3. Inside this category, MCP Atlas is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 23, 2026

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