DeepSeek V3.1 (Reasoning) vs Qwen3.6 Plus

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Agentic
Coding
Multimodal & Grounded
Reasoning
Knowledge
Instruction Following
Multilingual
Mathematics

DeepSeek V3.1 (Reasoning)· Qwen3.6 Plus

Quick Verdict

Pick Qwen3.6 Plus if you want the stronger benchmark profile. DeepSeek V3.1 (Reasoning) only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Qwen3.6 Plus is clearly ahead on the aggregate, 69 to 44. 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 coding, where it averages 64.9 against 19. The single biggest benchmark swing on the page is SWE-bench Verified, 14% to 78.8%.

Qwen3.6 Plus gives you the larger context window at 1M, compared with 128K for DeepSeek V3.1 (Reasoning).

Operational tradeoffs

PriceFree*Free*
SpeedN/AN/A
TTFTN/AN/A
Context128K1M

Decision framing

BenchLM keeps the benchmark table and the operator tradeoffs on the same page so a better score does not hide a materially slower, pricier, or smaller-context model.

Runtime metrics show N/A when BenchLM does not have a sourced snapshot for that exact model. The scoring rules and freshness policy are documented on the methodology page.

BenchmarkDeepSeek V3.1 (Reasoning)Qwen3.6 Plus
AgenticQwen3.6 Plus wins
Terminal-Bench 2.042%61.6%
BrowseComp48%
Claw-Eval58.7%
QwenClawBench57.2%
QwenWebBench1502
TAU3-Bench70.7%
VITA-Bench44.3%
DeepPlanning41.5%
Toolathlon39.8%
MCP Atlas48.2%
MCP-Tasks74.1%
WideResearch74.3%
OSWorld-Verified62.5%
CodingQwen3.6 Plus wins
HumanEval26%
SWE-bench Verified14%78.8%
LiveCodeBench16%
SWE-bench Pro25%56.6%
SWE Multilingual73.8%
LiveCodeBench v687.1%
NL2Repo37.9%
Multimodal & GroundedQwen3.6 Plus wins
MMMU-Pro37%78.8%
OfficeQA Pro47%
MMMU86.0%
RealWorldQA85.4%
OmniDocBench 1.591.2%
Video-MME (with subtitle)87.8%
Video-MME (w/o subtitle)84.2%
MathVision88.0%
We-Math89.0%
DynaMath88.0%
MStar83.3%
SimpleVQA67.3%
ChatCVQA81.5%
MMLongBench-Doc62.0%
CC-OCR83.4%
AI2D_TEST94.4%
CountBench97.6%
RefCOCO (avg)93.5%
ODINW1351.8%
ERQA65.7%
VideoMMMU84.0%
MLVU (M-Avg)86.7%
ScreenSpot Pro68.2%
ReasoningQwen3.6 Plus wins
MuSR30%
BBH64%
LongBench v257%62%
MRCRv256%
AI-Needle68.3%
KnowledgeQwen3.6 Plus wins
MMLU34%
GPQA33%90.4%
SuperGPQA31%71.6%
MMLU-Pro53%88.5%
HLE10%28.8%
FrontierScience37%
SimpleQA32%
MMLU-Redux94.5%
C-Eval93.3%
Instruction FollowingQwen3.6 Plus wins
IFEval70%94.3%
IFBench74.2%
MultilingualQwen3.6 Plus wins
MGSM64%
MMLU-ProX61%84.7%
NOVA-6357.9%
INCLUDE85.1%
PolyMath77.4%
VWT2k-lite84.3%
MAXIFE88.2%
Mathematics
AIME 202334%
AIME 202436%
AIME 202535%
HMMT Feb 202531%
BRUMO 202533%
MATH-50062%
AIME2695.3%
HMMT Feb 202596.7%
HMMT Nov 202594.6%
HMMT Feb 202687.8%
MMAnswerBench83.8%
Frequently Asked Questions (8)

Which is better, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus is ahead overall, 69 to 44. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 14% and 78.8%.

Which is better for knowledge tasks, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for knowledge tasks in this comparison, averaging 66 versus 32.5. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for coding in this comparison, averaging 64.9 versus 19. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for reasoning in this comparison, averaging 62 versus 49.5. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for agentic tasks in this comparison, averaging 62 versus 44.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for multimodal and grounded tasks in this comparison, averaging 78.8 versus 41.5. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for instruction following in this comparison, averaging 94.3 versus 70. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, DeepSeek V3.1 (Reasoning) or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for multilingual tasks in this comparison, averaging 84.7 versus 62.1. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: April 2, 2026

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