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Model comparison

DeepSeek V3 vs Qwen3.6 Plus

Data verified

Head-to-head evidence from 21 shared benchmark results across 7 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

DeepSeek
44.97/100
Margin
20.2pts
winning →
65.2/100
2 category wins2 category wins

Public leaderboard positions: DeepSeek V3 #147 (Supported); Qwen3.6 Plus #30 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. DeepSeek V3 and Qwen3.6 Plus share 21 comparable benchmark results. 4 of 8 categories are comparable. 1 result is unique to DeepSeek V3; 39 to Qwen3.6 Plus.

Updated July 23, 2026
Shared results
21
DeepSeek V3 only
1
Qwen3.6 Plus only
39
Comparable categories
4 / 8

Pick Qwen3.6 Plus if you want the stronger benchmark profile. DeepSeek V3 only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.

Confidence note. This is a partial-evidence comparison with 21 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 44.97. 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 mathematics, where it averages 60.5 against 1.7. The single biggest benchmark swing on the page is SWE-bench Verified, 42% to 78.8%. DeepSeek V3 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.

Qwen3.6 Plus is the reasoning model in the pair, while DeepSeek V3 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Qwen3.6 Plus gives you the larger context window at 1M, compared with 128K for DeepSeek V3.

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 V3 and Qwen3.6 Plus
CategoryDeepSeek V3ΔQwen3.6 Plus
MathDeepSeek V31.7Margin 58.8Qwen3.6 Plus60.5
CodingDeepSeek V338.9Margin 31.4Qwen3.6 Plus70.3
KnowledgeDeepSeek V372.7Margin 15.6Qwen3.6 Plus57.1
Inst. FollowingDeepSeek V386.1Margin 3.8Qwen3.6 Plus82.3
AgenticDeepSeek V3Not measuredMarginNo overlapQwen3.6 Plus61.6
ReasoningDeepSeek V3Not measuredMarginNo overlapQwen3.6 Plus62.0
MultilingualDeepSeek V3Not measuredMarginNo overlapQwen3.6 Plus84.7
MultimodalDeepSeek V3Not measuredMarginNo overlapQwen3.6 Plus79.8

Decisive benchmark drivers

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

More
A · DeepSeek V3B · Qwen3.6 Plus
  1. SWE-bench Verified

    Coding
    Source ↗
    A 42%B 78.8%
    Winner: Qwen3.6 PlusΔ 36.8
    SWE-bench Verified: DeepSeek V3 scored 42%; Qwen3.6 Plus scored 78.8%. Qwen3.6 Plus wins this benchmark.
  2. GPQA

    Knowledge
    Source ↗
    A 59.1%B 90.4%
    Winner: Qwen3.6 PlusΔ 31.3
    GPQA: DeepSeek V3 scored 59.1%; Qwen3.6 Plus scored 90.4%. Qwen3.6 Plus wins this benchmark.
  3. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 1.724%B 26.207%
    Winner: Qwen3.6 PlusΔ 24.5
    FrontierMath v2 (Tiers 1-3): DeepSeek V3 scored 1.724%; Qwen3.6 Plus scored 26.207%. Qwen3.6 Plus wins this benchmark.
  4. MMLU-Pro

    Knowledge
    Source ↗
    A 75.9%B 88.5%
    Winner: Qwen3.6 PlusΔ 12.6
    MMLU-Pro: DeepSeek V3 scored 75.9%; Qwen3.6 Plus scored 88.5%. Qwen3.6 Plus wins this benchmark.
  5. IFEval

    Inst. Following
    Source ↗
    A 86.1%B 94.3%
    Winner: Qwen3.6 PlusΔ 8.2
    IFEval: DeepSeek V3 scored 86.1%; Qwen3.6 Plus scored 94.3%. Qwen3.6 Plus wins this benchmark.

Operational comparison

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

MetricDeepSeek V3Qwen3.6 PlusComparison
Input / output priceUSD per 1M tokensDeepSeek V3$0.27 input / $1.1 outputQwen3.6 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V3Not availableQwen3.6 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V3Not availableQwen3.6 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V3128KQwen3.6 Plus1MQwen3.6 Plus lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V3Qwen3.6 PlusResult
AA Agentic IndexSource 1.6%27.6%Qwen3.6 Plus leads
τ²-bench resultsSource 22.8%97.7%Qwen3.6 Plus leads
GDPval-AASource 0.0%31.8%Qwen3.6 Plus leads
GDPval-AASource 2171135Qwen3.6 Plus leads
Terminal-Bench 2.0Source 61.6%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
ToolathlonSource 39.8%Not comparable
MCP AtlasSource 48.2%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 V3Qwen3.6 PlusResult
LiveCodeBenchSource 37.6%Not comparable
SWE-bench VerifiedSource 42%78.8%Qwen3.6 Plus leads
AA Coding IndexSource 23.0%54.5%Qwen3.6 Plus leads
AA-SciCodeSource 35.4%40.7%Qwen3.6 Plus leads
SWE-bench ProSource 56.6%Not comparable
SWE MultilingualSource 73.8%Not comparable
LiveCodeBench v6Source 87.1%Not comparable
Vibe Code BenchSource 25.56%Not comparable
Reasoning
BenchmarkDeepSeek V3Qwen3.6 PlusResult
AA-LCRSource 29.0%69.7%Qwen3.6 Plus leads
CritPtSource 0.0%2.9%Qwen3.6 Plus leads
AI-NeedleSource 68.3%Not comparable
LongBench v2Source 62%Not comparable
KnowledgeDeepSeek V3 wins
BenchmarkDeepSeek V3Qwen3.6 PlusResult
GPQASource 59.1%90.4%Qwen3.6 Plus leads
MMLU-ProSource 75.9%88.5%Qwen3.6 Plus leads
Artificial Analysis Intelligence IndexSource 14.2%39.6%Qwen3.6 Plus leads
AA-GPQA DiamondSource 55.7%88.2%Qwen3.6 Plus leads
AA-HLESource 3.6%25.7%Qwen3.6 Plus leads
AA-Omniscience IndexSource -41.3%2.7%Qwen3.6 Plus leads
AA-Omniscience AccuracySource 25.4%26.2%Qwen3.6 Plus leads
AA-Omniscience Hallucination RateSource 89.4%32.0%Qwen3.6 Plus leads
SuperGPQASource 71.6%Not comparable
MMLU-ReduxSource 94.5%Not comparable
C-EvalSource 93.3%Not comparable
HLESource 28.8%Not comparable
MathQwen3.6 Plus wins
BenchmarkDeepSeek V3Qwen3.6 PlusResult
FrontierMath v2 (Tiers 1-3)Source 1.724%26.207%Qwen3.6 Plus leads
AIME26Source 95.3%Not comparable
HMMT Feb 2025Source 96.7%Not comparable
HMMT Nov 2025Source 94.6%Not comparable
HMMT Feb 2026Source 87.8%Not comparable
MMAnswerBenchSource 83.8%Not comparable
FrontierMath v2 (Tier 4)Source 8.333%Not comparable
Multilingual
BenchmarkDeepSeek V3Qwen3.6 PlusResult
MMLU-ProXSource 84.7%Not comparable
NOVA-63Source 57.9%Not comparable
Multimodal
BenchmarkDeepSeek V3Qwen3.6 PlusResult
Design Arena WebsiteSource 11501249Qwen3.6 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. FollowingDeepSeek V3 wins
BenchmarkDeepSeek V3Qwen3.6 PlusResult
IFEvalSource 86.1%94.3%Qwen3.6 Plus leads
AA-IFBenchSource 34.8%75.2%Qwen3.6 Plus leads
IFBenchSource 75.8%Not comparable
Frequently Asked Questions (5)

Which is better, DeepSeek V3 or Qwen3.6 Plus?

Qwen3.6 Plus is ahead on BenchLM's BenchAlign leaderboard, 65.2 to 44.97. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 42% and 78.8%.

Which is better for knowledge tasks, DeepSeek V3 or Qwen3.6 Plus?

DeepSeek V3 has the edge for knowledge tasks in this comparison, averaging 72.7 versus 57.1. Inside this category, AA-Omniscience Hallucination Rate is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3 or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for coding in this comparison, averaging 70.3 versus 38.9. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, DeepSeek V3 or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for math in this comparison, averaging 60.5 versus 1.7. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.

Which is better for instruction following, DeepSeek V3 or Qwen3.6 Plus?

DeepSeek V3 has the edge for instruction following in this comparison, averaging 86.1 versus 82.3. Inside this category, AA-IFBench is the benchmark that creates the most daylight between them.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

DeepSeek V3
API / mo$1,028
Self-host / mo$18,221
Break-even1.2B/day
Qwen3.6 Plus
API / mo$0
Self-host / moNot listed
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

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Last updated: July 23, 2026

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