Enter opens the highlighted result. Esc closes.

Gemini 3.1 Flash Lite Preview vs Qwen3.5 397B A17B

Qwen3.5 397B A17B leads Gemini 3.1 Flash Lite Preview on the Artificial Analysis Intelligence Index, 21.4 to 15.6, and Gemini 3.1 Flash Lite Preview costs 1.6x less per output token ($1.50 vs $2.34 per million). Updated October 22, 2026; 50 benchmarks have a result for both.

Replace Gemini 3.1 Flash Lite Preview Replace Qwen3.5 397B A17B
Gemini 3.1 Flash Lite PreviewGoogle
Coding
22.7
Overall
36.6
Output $/M
$1.50
5
Qwen3.5 397B A17BQwen
Coding
No data
Overall
57.1
Output $/M
$2.34
45
vs boards won of 50 shared

Gemini 3.1 Flash Lite Preview or Qwen3.5 397B A17B: which to pick

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; Qwen3.5 397B A17B has none, so the two cannot be ranked on coding.

Pick Qwen3.5 397B A17B for work measured by LMArena WebDev or LMArena Text: coding, where it leads.

Model AGemini 3.1 Flash Lite PreviewGoogle22.7/1003 independent benchmarks$0.18 per solved taskModel BQwen3.5 397B A17BQwenNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
50
Gemini 3.1 Flash Lite Preview only
30
Qwen3.5 397B A17B only
16
Like-for-like categories
7 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

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 3.1 Flash Lite Preview 22.7 from 3 benchmarks, Qwen3.5 397B A17B not benchmarked.
Widest category
Coding, 15.2 points apart on average over 6 shared benchmarks.
Widest single gap
LMArena WebDev: React: Gemini 3.1 Flash Lite Preview 1245 against Qwen3.5 397B A17B 1388, 23.8 points apart on a 0 to 100 scale.
Output price
Gemini 3.1 Flash Lite Preview $1.50 against Qwen3.5 397B A17B $2.34 per million output tokens, 1.6x apart.
Context window
Gemini 3.1 Flash Lite Preview takes 1.05M tokens, Qwen3.5 397B A17B 262K.

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 3.1 Flash Lite PreviewBarsQwen3.5 397B A17BTies
Coding15
Intelligence01
Reasoning05
Math02
Knowledge04
Web design07
General421
All shared boards545
CodingLike-for-likeSix of these boards feed the Vibe Coding Index15
Coding benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
LMArena WebDev12571400Qwen3.5 397B A17B
AA Coding Index34.7Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LiveCodeBench (Vals AI)80.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SWE-bench Verified (Vals AI)62.8%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Vibe Code Bench (Vals AI)0.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Code migration (Vals AI)4.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Terminal-Bench 2.1 (Vals AI)34.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SciCodeNot measured44.8%Only Qwen3.5 397B A17B measured
Terminal-Bench Hard (Artificial Analysis run)Not measured40.9%Only Qwen3.5 397B A17B measured
ALE-Bench797.7621.9Gemini 3.1 Flash Lite Preview
LMArena Text: coding14001464Qwen3.5 397B A17B
LMArena Text: software and IT14131463Qwen3.5 397B A17B
LMArena WebDev: React12451388Qwen3.5 397B A17B
LMArena WebDev: HTML12761410Qwen3.5 397B A17B
LMArena WebDev: from an image1336Not measuredOnly Gemini 3.1 Flash Lite Preview measured
SciCode4.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
AA Intelligence Index15.621.4Qwen3.5 397B A17B
Epoch Capabilities IndexNot measured146.8Only Qwen3.5 397B A17B measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Agentic work benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
AA Agentic Index1.6Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Finance Agent (Vals AI)30.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Tax Agent Bench (Vals AI)3.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Legal Research Bench (Vals AI)3.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Excel Modeling Benchmark (Vals AI)8.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
τ²-Bench TelecomNot measured95.6%Only Qwen3.5 397B A17B measured
APEX-AgentsNot measured24.9%Only Qwen3.5 397B A17B measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
GPQA Diamond81.1%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MMMU Pro (Vals AI)82.5%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
GPQA Diamond (Artificial Analysis run)Not measured89.3%Only Qwen3.5 397B A17B measured
Humanity's Last Exam (Artificial Analysis run)Not measured29.0%Only Qwen3.5 397B A17B measured
GPQA Diamond (Epoch AI run)Not measured86.4%Only Qwen3.5 397B A17B measured
Mystery game puzzlesNot measured18.0%Only Qwen3.5 397B A17B measured
LMArena Text: hard prompts14071448Qwen3.5 397B A17B
LMArena Text: expert13981462Qwen3.5 397B A17B
LMArena Text: hard prompts in English14031450Qwen3.5 397B A17B
LMArena Vision: diagrams12421277Qwen3.5 397B A17B
LMArena Vision: homework12711292Qwen3.5 397B A17B
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
AIME83.3%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
OTIS Mock AIMENot measured88.9%Only Qwen3.5 397B A17B measured
FrontierMath, tiers 1 to 3Not measured31.2%Only Qwen3.5 397B A17B measured
LMArena Text: math14281453Qwen3.5 397B A17B
LMArena Text: mathematical work14171454Qwen3.5 397B A17B
MathArenaNot measured19.2%Only Qwen3.5 397B A17B measured
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
MMLU Pro86.2%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LegalBench (Vals AI)83.8%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
CaseLaw (Vals AI)55.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
CorpFin (Vals AI)59.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
TaxEval (Vals AI)71.8%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MortgageTax (Vals AI)68.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MedCode (Vals AI)47.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Text: science14251457Qwen3.5 397B A17B
LMArena Text: medicine and healthcare14281455Qwen3.5 397B A17B
LMArena Text: legal and government14181441Qwen3.5 397B A17B
LMArena Text: business and finance13891435Qwen3.5 397B A17B
FACTS Benchmark Suite51.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 8 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index07
Web design benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
Design Arena: websites10821190Qwen3.5 397B A17B
Design Arena: UI components10691161Qwen3.5 397B A17B
Design Arena: game dev10291140Qwen3.5 397B A17B
Design Arena: data viz10451175Qwen3.5 397B A17B
Design Arena: 3D10471160Qwen3.5 397B A17B
Design Arena: all code categories10711179Qwen3.5 397B A17B
Design Arena: SVG10521139Qwen3.5 397B A17B
Design Arena: ASCII art1167Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index421
General benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
SAGE (Vals AI)49.5%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MedScribe (Vals AI)63.9%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Vals Multimodal Index41.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
IFBenchNot measured78.8%Only Qwen3.5 397B A17B measured
Long context reasoning (AA-LCR)Not measured77.3%Only Qwen3.5 397B A17B measured
DTBenchNot measured87.5%Only Qwen3.5 397B A17B measured
LMCANot measured37.9%Only Qwen3.5 397B A17B measured
LMArena Text14161437Qwen3.5 397B A17B
LMArena Text: instruction following13771424Qwen3.5 397B A17B
LMArena Text: creative writing14011402Qwen3.5 397B A17B
LMArena Vision12401262Qwen3.5 397B A17B
LMArena Text: English14141443Qwen3.5 397B A17B
LMArena Text: non-English14101430Qwen3.5 397B A17B
LMArena Text: Chinese14601498Qwen3.5 397B A17B
LMArena Text: German14301445Qwen3.5 397B A17B
LMArena Text: Japanese14131429Qwen3.5 397B A17B
LMArena Text: Korean13921384Gemini 3.1 Flash Lite Preview
LMArena Text: French14241462Qwen3.5 397B A17B
LMArena Text: Spanish14211441Qwen3.5 397B A17B
LMArena Text: Russian14201430Qwen3.5 397B A17B
LMArena Text: Polish14431447Qwen3.5 397B A17B
LMArena Text: multi-turn14171446Qwen3.5 397B A17B
LMArena Text: longer queries13941441Qwen3.5 397B A17B
LMArena Text: writing and language14081415Qwen3.5 397B A17B
LMArena Text: entertainment and media13861399Qwen3.5 397B A17B
LMArena Vision: English12321268Qwen3.5 397B A17B
LMArena Vision: Chinese12781314Qwen3.5 397B A17B
LMArena Vision: reading text12461271Qwen3.5 397B A17B
LMArena Vision: humor12661262Gemini 3.1 Flash Lite Preview
LMArena Vision: captioning12591230Gemini 3.1 Flash Lite Preview
LMArena Vision: recognizing things13081265Gemini 3.1 Flash Lite Preview
LMArena Vision: creative writing12481260Qwen3.5 397B A17B
MultiChallenge60.6%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 3.1 Flash Lite Preview and Qwen3.5 397B A17B
BenchmarkGemini 3.1 Flash Lite PreviewQwen3.5 397B A17BLeader
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 3.1 Flash Lite Preview$0.0010Fits in one request
Qwen3.5 397B A17B$0.0016Fits in one request

Gemini 3.1 Flash Lite Preview costs less

Repository review

50K input + 3K output tokens

Gemini 3.1 Flash Lite Preview$0.017Fits in one request
Qwen3.5 397B A17B$0.027Fits in one request

Gemini 3.1 Flash Lite Preview costs less

Agent loop

200K input + 10K output tokens

Gemini 3.1 Flash Lite Preview$0.065Fits in one request
Qwen3.5 397B A17B$0.101Fits in one request

Gemini 3.1 Flash Lite Preview 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 3.1 Flash Lite Preview and Qwen3.5 397B A17B
SpecificationGoogle Gemini 3.1 Flash Lite PreviewQwen3.5 397B A17B
MakerGoogleQwen
WeightsNo public weights listedOpen weights
ReleasedMarch 3, 2026February 16, 2026
Context window1.05M262K
Input $/Mtok$0.25$0.39
Output $/Mtok$1.50$2.34
Coding index22.7Not benchmarked
Independent measurements behind it31
Cost per solved task$0.18Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.1 Flash Lite Preview better than Qwen3.5 397B A17B for coding?

Only Gemini 3.1 Flash Lite Preview has a coding score, 22.7 on the Vibe Coding Index; Qwen3.5 397B A17B has none, so the two cannot be ranked on coding. Pick Qwen3.5 397B A17B for work measured by LMArena WebDev or LMArena Text: coding, where it leads.

Which is cheaper, Gemini 3.1 Flash Lite Preview or Qwen3.5 397B A17B?

Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; Qwen3.5 397B A17B costs $0.39 and $2.34. Cost per solved task is known for Gemini 3.1 Flash Lite Preview only.

Which has the bigger context window, Gemini 3.1 Flash Lite Preview or Qwen3.5 397B A17B?

Gemini 3.1 Flash Lite Preview, with 1.05M tokens against 262K.

How many benchmarks is the Gemini 3.1 Flash Lite Preview vs Qwen3.5 397B A17B comparison based on?

50 benchmarks have a result for both models as of October 22, 2026. Gemini 3.1 Flash Lite Preview's coding index rests on 3 independent benchmarks and Qwen3.5 397B A17B's on 1. Where only one model has a result, the page says so instead of naming a winner.

Compare next