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Gemini 3.5 Flash vs Qwen3.6 Plus

Updated October 21, 2026. 79 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Gemini 3.5 Flash Replace Qwen3.6 Plus
Gemini 3.5 FlashGoogle
Coding
42.8
Overall
33.6
Output $/M
$9.00
73
Qwen3.6 PlusQwen
Coding
37.4
Overall
27.0
Output $/M
$1.95
5
vs boards won of 79 shared, 1 tied

Decision reading

Pick Gemini 3.5 Flash for coding: it scores 42.8 on the Vibe Coding Index against 37.4 for Qwen3.6 Plus.

Pick Qwen3.6 Plus when output tokens cost 4.6x less, or when a solved task costs $1.19 against $1.21.

Model AGemini 3.5 FlashGoogle42.8/1001 independent benchmark$1.21 per solved taskModel BQwen3.6 PlusQwen37.4/1001 independent benchmark$1.19 per solved task
Shared results
79
Gemini 3.5 Flash only
31
Qwen3.6 Plus only
4
Like-for-like categories
8 of 9

Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Gemini 3.5 Flash 42.8 from 1 benchmark, Qwen3.6 Plus 37.4 from 1 benchmark.
Widest category
Agentic work, 13.6 points apart on average over 6 shared benchmarks.
Widest single gap
Chess puzzles: Gemini 3.5 Flash 45.0% against Qwen3.6 Plus 14.0%, 31.0 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash $9.00 against Qwen3.6 Plus $1.95 per million output tokens, 4.6x apart.
Context window
Gemini 3.5 Flash takes 1.05M tokens, Qwen3.6 Plus 1M.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryGemini 3.5 FlashBarsQwen3.6 PlusTies
Coding1301 tie
Intelligence20
Agentic work51
Reasoning100
Math40
Knowledge92
Web design80
General222
All shared boards7351 tie
CodingLike-for-likeFour of these boards feed the Vibe Coding Index130
Coding benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
LMArena WebDev14991461Gemini 3.5 Flash
AA Coding IndexNot measured54.5Only Qwen3.6 Plus measured
LiveCodeBench (Vals AI)87.6%86.0%Gemini 3.5 Flash
SWE-bench Verified (Vals AI)78.8%73.4%Gemini 3.5 Flash
Terminal-Bench 4 (Vals AI)6.1%Not measuredOnly Gemini 3.5 Flash measured
Vibe Code Bench (Vals AI)48.7%25.6%Gemini 3.5 Flash
Code migration (Vals AI)26.8%11.1%Gemini 3.5 Flash
ProgramBench (Vals AI)0.0%0.0%Tie
Terminal-Bench 2.1 (Vals AI)74.2%53.2%Gemini 3.5 Flash
SkillsBench (Vals AI)52.7%Not measuredOnly Gemini 3.5 Flash measured
SciCode53.9%Not measuredOnly Gemini 3.5 Flash measured
Terminal-Bench Hard (Artificial Analysis run)46.2%43.9%Gemini 3.5 Flash
WeirdML62.6%Not measuredOnly Gemini 3.5 Flash measured
ALE-Bench911.0670.1Gemini 3.5 Flash
LMArena Text: coding14931467Gemini 3.5 Flash
LMArena Text: software and IT14941462Gemini 3.5 Flash
LMArena WebDev: React14951454Gemini 3.5 Flash
LMArena WebDev: HTML15221463Gemini 3.5 Flash
LMArena WebDev: from an image15041472Gemini 3.5 Flash
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
AA Intelligence Index33.627.0Gemini 3.5 Flash
Epoch Capabilities Index154.9147.3Gemini 3.5 Flash
Agentic workLike-for-likePublic boards, shown as published, kept out of the index51
Agentic work benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
Design Arena: agents building web apps1202Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building full-stack apps1197Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building mobile apps1175Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building Android apps1190Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building Godot games1098Not measuredOnly Gemini 3.5 Flash measured
Design Arena: agents building games1180Not measuredOnly Gemini 3.5 Flash measured
Design Arena: HTML slides1142Not measuredOnly Gemini 3.5 Flash measured
Design Arena: PowerPoint slides1178Not measuredOnly Gemini 3.5 Flash measured
Finance Agent (Vals AI)57.9%40.9%Gemini 3.5 Flash
Tax Agent Bench (Vals AI)21.6%7.7%Gemini 3.5 Flash
Legal Research Bench (Vals AI)30.8%14.9%Gemini 3.5 Flash
Excel Modeling Benchmark (Vals AI)63.5%32.9%Gemini 3.5 Flash
Terminal-Bench-Science (Vals AI)5.7%Not measuredOnly Gemini 3.5 Flash measured
τ²-Bench Telecom95.6%97.7%Qwen3.6 Plus
APEX-Agents27.5%Not measuredOnly Gemini 3.5 Flash measured
Vending-Bench 2$5,396$5,115Gemini 3.5 Flash
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index100
Reasoning benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
GPQA Diamond92.7%87.4%Gemini 3.5 Flash
MMMU Pro (Vals AI)88.3%84.2%Gemini 3.5 Flash
GPQA Diamond (Artificial Analysis run)92.2%88.2%Gemini 3.5 Flash
Humanity's Last Exam (Artificial Analysis run)42.7%27.8%Gemini 3.5 Flash
GPQA Diamond (Epoch AI run)92.8%88.4%Gemini 3.5 Flash
ARC-AGI92.5%Not measuredOnly Gemini 3.5 Flash measured
ARC-AGI-272.1%Not measuredOnly Gemini 3.5 Flash measured
SimpleBench76.7%Not measuredOnly Gemini 3.5 Flash measured
Chess puzzles45.0%14.0%Gemini 3.5 Flash
Mystery game puzzles32.0%12.0%Gemini 3.5 Flash
EBR-bench4.8%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text: hard prompts14881448Gemini 3.5 Flash
LMArena Text: expert14951454Gemini 3.5 Flash
LMArena Text: hard prompts in English14831455Gemini 3.5 Flash
LMArena Vision: diagrams1323Not measuredOnly Gemini 3.5 Flash measured
LMArena Vision: homework1330Not measuredOnly Gemini 3.5 Flash measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
AIMENot measured94.6%Only Qwen3.6 Plus measured
OTIS Mock AIME95.6%93.3%Gemini 3.5 Flash
FrontierMath, tiers 1 to 362.8%38.2%Gemini 3.5 Flash
FrontierMath, tier 426.8%Not measuredOnly Gemini 3.5 Flash measured
ProofBench31.0%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text: math15041449Gemini 3.5 Flash
LMArena Text: mathematical work14951448Gemini 3.5 Flash
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index92
Knowledge benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
MMLU Pro89.5%87.7%Gemini 3.5 Flash
LegalBench (Vals AI)83.6%84.2%Qwen3.6 Plus
CaseLaw (Vals AI)Not measured51.5%Only Qwen3.6 Plus measured
CorpFin (Vals AI)64.7%61.9%Gemini 3.5 Flash
TaxEval (Vals AI)74.4%74.7%Qwen3.6 Plus
MortgageTax (Vals AI)68.1%68.0%Gemini 3.5 Flash
MedCode (Vals AI)55.8%36.9%Gemini 3.5 Flash
SimpleQA Verified66.2%44.1%Gemini 3.5 Flash
LMArena Text: science14951439Gemini 3.5 Flash
LMArena Text: medicine and healthcare14831442Gemini 3.5 Flash
LMArena Text: legal and government14881437Gemini 3.5 Flash
LMArena Text: business and finance14671430Gemini 3.5 Flash
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
Design Arena: websites12681243Gemini 3.5 Flash
Design Arena: UI components12721233Gemini 3.5 Flash
Design Arena: game dev12631211Gemini 3.5 Flash
Design Arena: data viz12361228Gemini 3.5 Flash
Design Arena: 3D12441202Gemini 3.5 Flash
Design Arena: all code categories12661236Gemini 3.5 Flash
Design Arena: SVG12541160Gemini 3.5 Flash
Design Arena: ASCII art12531115Gemini 3.5 Flash
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index222
General benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
Public Benefits Bench (Vals AI)59.5%Not measuredOnly Gemini 3.5 Flash measured
SAGE (Vals AI)49.9%44.9%Gemini 3.5 Flash
MedScribe (Vals AI)76.6%77.0%Qwen3.6 Plus
Vals Multimodal Index62.9%51.5%Gemini 3.5 Flash
IFBench76.3%75.2%Gemini 3.5 Flash
Long context reasoning (AA-LCR)74.3%78.3%Qwen3.6 Plus
DTBench94.7%81.9%Gemini 3.5 Flash
LMCA47.1%33.1%Gemini 3.5 Flash
CL-benchNot measured20.3%Only Qwen3.6 Plus measured
Surface Evolver Bench58.1%Not measuredOnly Gemini 3.5 Flash measured
LMArena Text14821436Gemini 3.5 Flash
LMArena Text: instruction following14671424Gemini 3.5 Flash
LMArena Text: creative writing14701404Gemini 3.5 Flash
LMArena Vision1308Not measuredOnly Gemini 3.5 Flash measured
LMArena Text: English14811445Gemini 3.5 Flash
LMArena Text: non-English14751424Gemini 3.5 Flash
LMArena Text: Chinese15271477Gemini 3.5 Flash
LMArena Text: German14941451Gemini 3.5 Flash
LMArena Text: Japanese14861390Gemini 3.5 Flash
LMArena Text: Korean14481379Gemini 3.5 Flash
LMArena Text: French14901455Gemini 3.5 Flash
LMArena Text: Spanish14801432Gemini 3.5 Flash
LMArena Text: Russian14931434Gemini 3.5 Flash
LMArena Text: Polish15161433Gemini 3.5 Flash
LMArena Text: multi-turn14811438Gemini 3.5 Flash
LMArena Text: longer queries14831439Gemini 3.5 Flash
LMArena Text: writing and language14781418Gemini 3.5 Flash
LMArena Text: entertainment and media14591402Gemini 3.5 Flash
LMArena Vision: English1305Not measuredOnly Gemini 3.5 Flash measured
LMArena Vision: Chinese1377Not measuredOnly Gemini 3.5 Flash measured
LMArena Vision: reading text1317Not measuredOnly Gemini 3.5 Flash measured
LMArena Vision: humor1321Not measuredOnly Gemini 3.5 Flash measured
LMArena Vision: creative writing1301Not measuredOnly Gemini 3.5 Flash measured
LMArena Document1463Not measuredOnly Gemini 3.5 Flash measured
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 3.5 Flash and Qwen3.6 Plus
BenchmarkGemini 3.5 FlashQwen3.6 PlusLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Gemini 3.5 Flash$0.0060Fits in one request
Qwen3.6 Plus$0.0013Fits in one request

Qwen3.6 Plus costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash$0.102Fits in one request
Qwen3.6 Plus$0.022Fits in one request

Qwen3.6 Plus costs less

Agent loop

200K input + 10K output tokens

Gemini 3.5 Flash$0.390Fits in one request
Qwen3.6 Plus$0.085Fits in one request

Qwen3.6 Plus costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Gemini 3.5 Flash and Qwen3.6 Plus
SpecificationGoogle Gemini 3.5 FlashQwen3.6 Plus
MakerGoogleQwen
WeightsNo public weights listedNo public weights listed
ReleasedMay 19, 2026April 2, 2026
Context window1.05M1M
Input $/Mtok$1.50$0.325
Output $/Mtok$9.00$1.95
Coding index42.837.4
Independent measurements behind it11
Cost per solved task$1.21$1.19
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.5 Flash better than Qwen3.6 Plus for coding?

Pick Gemini 3.5 Flash for coding: it scores 42.8 on the Vibe Coding Index against 37.4 for Qwen3.6 Plus. Pick Qwen3.6 Plus when output tokens cost 4.6x less, or when a solved task costs $1.19 against $1.21.

Which is cheaper, Gemini 3.5 Flash or Qwen3.6 Plus?

Gemini 3.5 Flash costs $1.50 per million input tokens and $9.00 per million output tokens; Qwen3.6 Plus costs $0.325 and $1.95. Per solved SWE-bench Verified task, Gemini 3.5 Flash costs $1.21 and Qwen3.6 Plus $1.19.

Which has the bigger context window, Gemini 3.5 Flash or Qwen3.6 Plus?

Gemini 3.5 Flash, with 1.05M tokens against 1M.

How many benchmarks is the Gemini 3.5 Flash vs Qwen3.6 Plus comparison based on?

79 benchmarks have a result for both models as of October 21, 2026. Gemini 3.5 Flash's coding index rests on 1 independent benchmark and Qwen3.6 Plus's on 1. Where only one model has a result, the page says so instead of naming a winner.

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