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Model comparison

DeepSeek V4 Flash (Max) 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.

N/A
No comparison
65.2/100
2 category wins2 category wins

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

Evidence parity. DeepSeek V4 Flash (Max) and Qwen3.6 Plus share 26 comparable benchmark results. 4 of 8 categories are comparable. 19 results are unique to DeepSeek V4 Flash (Max); 34 to Qwen3.6 Plus.

Updated July 23, 2026
Shared results
26
DeepSeek V4 Flash (Max) only
19
Qwen3.6 Plus only
34
Comparable categories
4 / 8

Treat this as a split decision. DeepSeek V4 Flash (Max) makes more sense if mathematics is the priority; Qwen3.6 Plus is the better fit if knowledge 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

DeepSeek V4 Flash (Max) and Qwen3.6 Plus finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

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 (Max) and Qwen3.6 Plus
CategoryDeepSeek V4 Flash (Max)ΔQwen3.6 Plus
MathDeepSeek V4 Flash (Max)94.8Margin← 34.3Qwen3.6 Plus60.5
AgenticDeepSeek V4 Flash (Max)63.8Margin← 2.2Qwen3.6 Plus61.6
KnowledgeDeepSeek V4 Flash (Max)55.3Margin→ 1.8Qwen3.6 Plus57.1
CodingDeepSeek V4 Flash (Max)68.8Margin→ 1.5Qwen3.6 Plus70.3
ReasoningDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.6 Plus62.0
MultilingualDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.6 Plus84.7
MultimodalDeepSeek V4 Flash (Max)Not measuredMarginNo overlapQwen3.6 Plus79.8
Inst. FollowingDeepSeek V4 Flash (Max)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 (Max)B · Qwen3.6 Plus

  1. HMMT Feb 2026

    Math
    Source ↗
    A 94.8%B 87.8%
    Winner: DeepSeek V4 Flash (Max)Δ 7
    HMMT Feb 2026: DeepSeek V4 Flash (Max) scored 94.8%; Qwen3.6 Plus scored 87.8%. DeepSeek V4 Flash (Max) wins this benchmark.

  2. HLE

    Knowledge
    Source ↗
    A 34.8%B 28.8%
    Winner: DeepSeek V4 Flash (Max)Δ 6
    HLE: DeepSeek V4 Flash (Max) scored 34.8%; Qwen3.6 Plus scored 28.8%. DeepSeek V4 Flash (Max) wins this benchmark.

  3. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 56.9%B 61.6%
    Winner: Qwen3.6 PlusΔ 4.7
    Terminal-Bench 2.0: DeepSeek V4 Flash (Max) scored 56.9%; Qwen3.6 Plus scored 61.6%. Qwen3.6 Plus wins this benchmark.

  4. SWE-bench Pro

    Coding
    Source ↗
    A 52.6%B 56.6%
    Winner: Qwen3.6 PlusΔ 4
    SWE-bench Pro: DeepSeek V4 Flash (Max) scored 52.6%; Qwen3.6 Plus scored 56.6%. Qwen3.6 Plus wins this benchmark.

  5. GPQA

    Knowledge
    Source ↗
    A 88.1%B 90.4%
    Winner: Qwen3.6 PlusΔ 2.3
    GPQA: DeepSeek V4 Flash (Max) scored 88.1%; Qwen3.6 Plus scored 90.4%. 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 (Max)Qwen3.6 PlusComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Flash (Max)$0.14 input / $0.28 outputQwen3.6 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Flash (Max)Not availableQwen3.6 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Flash (Max)Not availableQwen3.6 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Flash (Max)1MQwen3.6 Plus1MListed context windows are equal.

Benchmark Deep Dive

AgenticDeepSeek V4 Flash (Max) wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.6 PlusResult
Terminal-Bench 2.0Source 56.9%61.6%Qwen3.6 Plus leads
BrowseCompSource 73.2%—Not comparable
HLE w/ toolsSource 45.1%—Not comparable
MCP AtlasSource 69%48.2%DeepSeek V4 Flash (Max) leads
GDPval-AASource 11891135DeepSeek V4 Flash (Max) leads
ToolathlonSource 47.8%39.8%DeepSeek V4 Flash (Max) leads
AA Agentic IndexSource 31.1%27.6%DeepSeek V4 Flash (Max) leads
τ²-bench resultsSource 95%97.7%Qwen3.6 Plus leads
GDPval-AASource 34.4%31.8%DeepSeek V4 Flash (Max) leads
AA BriefcaseSource 831—Not comparable
AA EnterpriseOps-GymSource 39.6%—Not comparable
AA Harvey LABSource 81.3%—Not comparable
AA ITBenchSource 31.5%—Not comparable
AA Tau3 BankingSource 22.9%—Not comparable
terminalBenchHardSource 35.6%—Not comparable
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 (Max)Qwen3.6 PlusResult
CodeforcesSource 3052.0—Not comparable
SWE-bench VerifiedSource 79%78.8%DeepSeek V4 Flash (Max) leads
SWE-bench ProSource 52.6%56.6%Qwen3.6 Plus leads
SWE MultilingualSource 73.3%73.8%Qwen3.6 Plus leads
Terminal-Bench 2.0Source 56.9%—Not comparable
AA Coding IndexSource 56.2%54.5%DeepSeek V4 Flash (Max) leads
AA-SciCodeSource 44.9%40.7%DeepSeek V4 Flash (Max) leads
LiveCodeBench v6Source —87.1%Not comparable
Vibe Code BenchSource —25.56%Not comparable
Reasoning
BenchmarkDeepSeek V4 Flash (Max)Qwen3.6 PlusResult
MRCR 1MSource 78.7%—Not comparable
CorpusQA 1MSource 60.5%—Not comparable
AA-LCRSource 63.0%69.7%Qwen3.6 Plus leads
CritPtSource 7.1%2.9%DeepSeek V4 Flash (Max) leads
AI-NeedleSource —68.3%Not comparable
LongBench v2Source —62%Not comparable
KnowledgeQwen3.6 Plus wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.6 PlusResult
MMLU-ProSource 86.2%88.5%Qwen3.6 Plus leads
SimpleQASource 34.1%—Not comparable
Chinese-SimpleQASource 78.9%—Not comparable
GPQASource 88.1%90.4%Qwen3.6 Plus leads
GPQA-DSource 88.1%—Not comparable
HLESource 34.8%28.8%DeepSeek V4 Flash (Max) leads
Artificial Analysis Intelligence IndexSource 40.3%39.6%DeepSeek V4 Flash (Max) leads
AA-GPQA DiamondSource 89.4%88.2%DeepSeek V4 Flash (Max) leads
AA-HLESource 32.1%25.7%DeepSeek V4 Flash (Max) leads
AA-Omniscience IndexSource -22.9%2.7%Qwen3.6 Plus leads
AA-Omniscience AccuracySource 37.2%26.2%DeepSeek V4 Flash (Max) leads
AA-Omniscience Hallucination RateSource 95.8%32.0%Qwen3.6 Plus leads
AA Openness IndexSource 50.0%—Not comparable
SuperGPQASource —71.6%Not comparable
MMLU-ReduxSource —94.5%Not comparable
C-EvalSource —93.3%Not comparable
MathDeepSeek V4 Flash (Max) wins
BenchmarkDeepSeek V4 Flash (Max)Qwen3.6 PlusResult
HMMT Feb 2026Source 94.8%87.8%DeepSeek V4 Flash (Max) leads
IMOAnswerBenchSource 88.4%—Not comparable
ApexSource 33.0%—Not comparable
Apex ShortlistSource 85.7%—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 (Max)Qwen3.6 PlusResult
MMLU-ProXSource —84.7%Not comparable
NOVA-63Source —57.9%Not comparable
Multimodal
BenchmarkDeepSeek V4 Flash (Max)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 (Max)Qwen3.6 PlusResult
AA-IFBenchSource 79.2%75.2%DeepSeek V4 Flash (Max) leads
IFEvalSource —94.3%Not comparable
IFBenchSource —75.8%Not comparable
Frequently Asked Questions (5)

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

DeepSeek V4 Flash (Max) and Qwen3.6 Plus are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

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

Qwen3.6 Plus has the edge for knowledge tasks in this comparison, averaging 57.1 versus 55.3. 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 (Max) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for coding in this comparison, averaging 70.3 versus 68.8. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.

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

DeepSeek V4 Flash (Max) has the edge for math in this comparison, averaging 94.8 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 (Max) or Qwen3.6 Plus?

DeepSeek V4 Flash (Max) has the edge for agentic tasks in this comparison, averaging 63.8 versus 61.6. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

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