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Model comparison

Qwen3.5 397B vs Qwen3.7 Plus

Data verified

Head-to-head evidence from 39 shared benchmark results across 8 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

57.01/100
Margin
10.2pts
winning →
67.22/100
1 category wins7 category wins

Public leaderboard positions: Qwen3.5 397B #71 (Estimated); Qwen3.7 Plus #21 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Qwen3.5 397B and Qwen3.7 Plus share 39 comparable benchmark results. 8 of 8 categories are comparable. 16 results are unique to Qwen3.5 397B; 30 to Qwen3.7 Plus.

Updated July 23, 2026
Shared results
39
Qwen3.5 397B only
16
Qwen3.7 Plus only
30
Comparable categories
8 / 8

Pick Qwen3.7 Plus if you want the stronger benchmark profile. Qwen3.5 397B only becomes the better choice if instruction following is the priority or you would rather avoid the extra latency and token burn of a reasoning model.

Why this result

Qwen3.7 Plus is clearly ahead on the BenchAlign aggregate, 67.22 to 57.01. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Qwen3.7 Plus's sharpest advantage is in reasoning, where it averages 91.7 against 63.2. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 52.5% to 70.3%. Qwen3.5 397B does hit back in instruction following, so the answer changes if that is the part of the workload you care about most.

Qwen3.7 Plus is the reasoning model in the pair, while Qwen3.5 397B 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. Qwen3.7 Plus gives you the larger context window at 1M, compared with 128K for Qwen3.5 397B.

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 Qwen3.5 397B and Qwen3.7 Plus
CategoryQwen3.5 397BΔQwen3.7 Plus
ReasoningQwen3.5 397B63.2Margin 28.5Qwen3.7 Plus91.7
AgenticQwen3.5 397B56.5Margin 15.2Qwen3.7 Plus71.7
CodingQwen3.5 397B66.5Margin 9.1Qwen3.7 Plus75.6
Inst. FollowingQwen3.5 397B92.6Margin 8.1Qwen3.7 Plus84.5
KnowledgeQwen3.5 397B56.6Margin 3.5Qwen3.7 Plus60.1
MathQwen3.5 397B90.6Margin 2.3Qwen3.7 Plus92.9
MultimodalQwen3.5 397B79.6Margin 1.9Qwen3.7 Plus81.5
MultilingualQwen3.5 397B84.7Margin 0.7Qwen3.7 Plus85.4

Decisive benchmark drivers

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

More
A · Qwen3.5 397BB · Qwen3.7 Plus
  1. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 52.5%B 70.3%
    Winner: Qwen3.7 PlusΔ 17.8
    Terminal-Bench 2.0: Qwen3.5 397B scored 52.5%; Qwen3.7 Plus scored 70.3%. Qwen3.7 Plus wins this benchmark.
  2. SWE-bench Pro

    Coding
    Source ↗
    A 50.9%B 57.6%
    Winner: Qwen3.7 PlusΔ 6.7
    SWE-bench Pro: Qwen3.5 397B scored 50.9%; Qwen3.7 Plus scored 57.6%. Qwen3.7 Plus wins this benchmark.
  3. HLE

    Knowledge
    Source ↗
    A 28.7%B 34.7%
    Winner: Qwen3.7 PlusΔ 6
    HLE: Qwen3.5 397B scored 28.7%; Qwen3.7 Plus scored 34.7%. Qwen3.7 Plus wins this benchmark.
  4. CharXiv

    Multimodal
    Source ↗
    A 80.8%B 85.9%
    Winner: Qwen3.7 PlusΔ 5.1
    CharXiv: Qwen3.5 397B scored 80.8%; Qwen3.7 Plus scored 85.9%. Qwen3.7 Plus wins this benchmark.
  5. HMMT Feb 2026

    Math
    Source ↗
    A 87.9%B 92.9%
    Winner: Qwen3.7 PlusΔ 5
    HMMT Feb 2026: Qwen3.5 397B scored 87.9%; Qwen3.7 Plus scored 92.9%. Qwen3.7 Plus wins this benchmark.

Operational comparison

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

MetricQwen3.5 397BQwen3.7 PlusComparison
Input / output priceUSD per 1M tokensQwen3.5 397B$0.6 input / $3.6 outputQwen3.7 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondQwen3.5 397B96 tok/sQwen3.7 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenQwen3.5 397B2.44 sQwen3.7 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensQwen3.5 397B128KQwen3.7 Plus1MQwen3.7 Plus lists the larger context window.

Benchmark Deep Dive

AgenticQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
Terminal-Bench 2.0Source 52.5%70.3%Qwen3.7 Plus leads
BrowseCompSource 62%Not comparable
Claw-EvalSource 56.8%62.7%Qwen3.7 Plus leads
QwenClawBenchSource 51.8%61.8%Qwen3.7 Plus leads
τ³-bench resultsSource 68.4%Not comparable
VITA-BenchSource 43.7%45.6%Qwen3.7 Plus leads
DeepPlanningSource 37.6%62.3%Qwen3.7 Plus leads
ToolathlonSource 36.3%Not comparable
MCP AtlasSource 46.1%73.2%Qwen3.7 Plus leads
MCP-TasksSource 74.2%Not comparable
WideResearchSource 74.0%Not comparable
τ²-bench resultsSource 95.6%93%Qwen3.5 397B leads
Gert LabsSource 46.76%Not comparable
ResearchClawBenchSource 14.2%Not comparable
AA Agentic IndexSource 19.9%20.8%Qwen3.7 Plus leads
APEX-Agents-AASource 15.3%22.4%Qwen3.7 Plus leads
GDPval-AASource 23.1%21.8%Qwen3.5 397B leads
GDPval-AASource 962936Qwen3.5 397B leads
QwenWebBenchSource 1536Not comparable
BFCL v4Source 72.9%Not comparable
OSWorld-VerifiedSource 73.3%Not comparable
AndroidWorldSource 81.0%Not comparable
OSWorld 2.0Source 2.8%Not comparable
CodingQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
SWE-bench VerifiedSource 76.2%77.7%Qwen3.7 Plus leads
LiveCodeBench v6Source 83.6%Not comparable
SWE-bench ProSource 50.9%57.6%Qwen3.7 Plus leads
AA-SciCodeSource 42.0%45.5%Qwen3.7 Plus leads
AA Coding IndexSource 48.2%55.9%Qwen3.7 Plus leads
Terminal-Bench 2.0Source 70.3%Not comparable
SWE MultilingualSource 75.8%Not comparable
NL2RepoSource 41.1%Not comparable
SciCodeSource 51.3%Not comparable
LiveCodeBenchSource 89.6%Not comparable
ReasoningQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
LongBench v2Source 63.2%Not comparable
AI-NeedleSource 68.7%Not comparable
AA-LCRSource 65.7%65.0%Qwen3.5 397B leads
CritPtSource 1.7%9.1%Qwen3.7 Plus leads
MRCRv2Source 91.7%Not comparable
KnowledgeQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
GPQASource 88.4%90.3%Qwen3.7 Plus leads
SuperGPQASource 70.4%71.4%Qwen3.7 Plus leads
MMLU-ProSource 87.8%88.5%Qwen3.7 Plus leads
MMLU-ReduxSource 94.9%94.5%Qwen3.5 397B leads
C-EvalSource 93%Not comparable
HLESource 28.7%34.7%Qwen3.7 Plus leads
Artificial Analysis Intelligence IndexSource 33.7%39.0%Qwen3.7 Plus leads
AA-GPQA DiamondSource 89.3%90.0%Qwen3.7 Plus leads
AA-HLESource 27.3%33.4%Qwen3.7 Plus leads
AA-Omniscience IndexSource -29.8%2.4%Qwen3.7 Plus leads
AA-Omniscience AccuracySource 31.4%22.2%Qwen3.5 397B leads
AA-Omniscience Hallucination RateSource 89.1%25.5%Qwen3.7 Plus leads
GPQA-DSource 90.3%Not comparable
MMMLUSource 89.0%Not comparable
MathQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
AIME26Source 93.3%Not comparable
HMMT Feb 2025Source 94.8%Not comparable
HMMT Nov 2025Source 92.7%Not comparable
HMMT Feb 2026Source 87.9%92.9%Qwen3.7 Plus leads
MMAnswerBenchSource 80.9%Not comparable
IMOAnswerBenchSource 86.0%Not comparable
ApexSource 22.7%Not comparable
MultilingualQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
MMLU-ProXSource 84.7%85.4%Qwen3.7 Plus leads
NOVA-63Source 59.1%58.8%Qwen3.5 397B leads
INCLUDESource 83.0%Not comparable
MAXIFESource 88.8%Not comparable
PolyMathSource 84.0%Not comparable
MultimodalQwen3.7 Plus wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
MMMU-ProSource 79%79%Tie
MathVisionSource 88.6%90.3%Qwen3.7 Plus leads
CharXivSource 80.8%85.9%Qwen3.7 Plus leads
VideoMMMUSource 84.7%85.4%Qwen3.7 Plus leads
ScreenSpot ProSource 65.6%79.0%Qwen3.7 Plus leads
V*Source 95.8%Not comparable
AA-MMMU-ProSource 77.3%80.5%Qwen3.7 Plus leads
ERQASource 69.8%Not comparable
MedXpertQA (MM)Source 71.0%Not comparable
SimpleVQASource 81.7%Not comparable
MMSearch-PlusSource 41.4%Not comparable
RealWorldQASource 86.9%Not comparable
OmniDocBench 1.5Source 91.4%Not comparable
OCRBench V2Source 70.7%Not comparable
ODINW13Source 51.1%Not comparable
Video-MME (with subtitle)Source 88.0%Not comparable
MLVU (M-Avg)Source 87.4%Not comparable
Design Arena WebsiteSource 1288Not comparable
Inst. FollowingQwen3.5 397B wins
BenchmarkQwen3.5 397BQwen3.7 PlusResult
IFEvalSource 92.6%94.6%Qwen3.7 Plus leads
AA-IFBenchSource 78.8%78.0%Qwen3.5 397B leads
IFBenchSource 79.1%Not comparable
Frequently Asked Questions (9)

Which is better, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus is ahead on BenchLM's BenchAlign leaderboard, 67.22 to 57.01. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 52.5% and 70.3%.

Which is better for knowledge tasks, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for knowledge tasks in this comparison, averaging 60.1 versus 56.6. Inside this category, AA-Omniscience Hallucination Rate is the benchmark that creates the most daylight between them.

Which is better for coding, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for coding in this comparison, averaging 75.6 versus 66.5. Inside this category, AA Coding Index is the benchmark that creates the most daylight between them.

Which is better for math, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for math in this comparison, averaging 92.9 versus 90.6. Inside this category, HMMT Feb 2026 is the benchmark that creates the most daylight between them.

Which is better for reasoning, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for reasoning in this comparison, averaging 91.7 versus 63.2. Inside this category, CritPt is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for agentic tasks in this comparison, averaging 71.7 versus 56.5. Inside this category, MCP Atlas is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for multimodal and grounded tasks in this comparison, averaging 81.5 versus 79.6. Inside this category, ScreenSpot Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.5 397B has the edge for instruction following in this comparison, averaging 92.6 versus 84.5. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, Qwen3.5 397B or Qwen3.7 Plus?

Qwen3.7 Plus has the edge for multilingual tasks in this comparison, averaging 85.4 versus 84.7. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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