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Qwen3.5-35B-A3B vs Qwen3.5 Plus 2026-04-20

Qwen3.5-35B-A3B costs 1.4x less per output token than Qwen3.5 Plus 2026-04-20 ($1.30 vs $1.80 per million). Updated October 22, 2026; 7 benchmarks have a result for both.

Replace Qwen3.5-35B-A3B Replace Qwen3.5 Plus 2026-04-20
Qwen3.5-35B-A3BQwen
Coding
No data
Overall
53.5
Output $/M
$1.30
1
Qwen3.5 Plus 2026-04-20Qwen
Coding
39.5
Overall
No data
Output $/M
$1.80
6
vs boards won of 7 shared

Qwen3.5-35B-A3B or Qwen3.5 Plus 2026-04-20: which to pick

Only Qwen3.5 Plus 2026-04-20 has a coding score, 39.5 on the Vibe Coding Index; Qwen3.5-35B-A3B has none, so the two cannot be ranked on coding.

Pick Qwen3.5-35B-A3B for output tokens 1.4x cheaper ($1.30 vs $1.80 per million) and work measured by Vending-Bench 2, where it leads.

Model AQwen3.5-35B-A3BQwenNot benchmarked1 independent benchmarkNo cost per solved taskModel BQwen3.5 Plus 2026-04-20Qwen39.5/1002 independent benchmarks$1.35 per solved task
Shared results
7
Qwen3.5-35B-A3B only
39
Qwen3.5 Plus 2026-04-20 only
18
Like-for-like categories
6 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
Qwen3.5-35B-A3B not benchmarked, Qwen3.5 Plus 2026-04-20 39.5 from 2 benchmarks.
Widest category
Math, 16.7 points apart on average over 1 shared benchmark.
Widest single gap
OTIS Mock AIME: Qwen3.5-35B-A3B 70.0% against Qwen3.5 Plus 2026-04-20 86.7%, 16.7 points apart on a 0 to 100 scale.
Output price
Qwen3.5-35B-A3B $1.30 against Qwen3.5 Plus 2026-04-20 $1.80 per million output tokens, 1.4x apart.
Context window
Qwen3.5-35B-A3B takes 262K tokens, Qwen3.5 Plus 2026-04-20 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
CategoryQwen3.5-35B-A3BBarsQwen3.5 Plus 2026-04-20Ties
Coding01
Intelligence01
Agentic work10
Reasoning01
Math01
General02
All shared boards16
CodingLike-for-likeSix of these boards feed the Vibe Coding Index01
Coding benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
LMArena WebDev1254Not measuredOnly Qwen3.5-35B-A3B measured
LiveCodeBench (Vals AI)Not measured85.3%Only Qwen3.5 Plus 2026-04-20 measured
SWE-bench Verified (Vals AI)Not measured71.2%Only Qwen3.5 Plus 2026-04-20 measured
Vibe Code Bench (Vals AI)Not measured15.7%Only Qwen3.5 Plus 2026-04-20 measured
Terminal-Bench Hard (Artificial Analysis run)26.5%Not measuredOnly Qwen3.5-35B-A3B measured
ALE-Bench221.8608.9Qwen3.5 Plus 2026-04-20
LMArena Text: coding1410Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: software and IT1415Not measuredOnly Qwen3.5-35B-A3B measured
LMArena WebDev: React1238Not measuredOnly Qwen3.5-35B-A3B measured
LMArena WebDev: HTML1301Not measuredOnly Qwen3.5-35B-A3B measured
Neither model has a result on the other 33 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
AA Intelligence Index19.3Not measuredOnly Qwen3.5-35B-A3B measured
Epoch Capabilities Index142.5146.2Qwen3.5 Plus 2026-04-20
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
τ²-Bench Telecom89.2%Not measuredOnly Qwen3.5-35B-A3B measured
Vending-Bench 2$463$1Qwen3.5-35B-A3B
Neither model has a result on the other 40 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index01
Reasoning benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
GPQA DiamondNot measured87.4%Only Qwen3.5 Plus 2026-04-20 measured
MMMU Pro (Vals AI)Not measured22.8%Only Qwen3.5 Plus 2026-04-20 measured
GPQA Diamond (Artificial Analysis run)84.5%Not measuredOnly Qwen3.5-35B-A3B measured
Humanity's Last Exam (Artificial Analysis run)21.0%Not measuredOnly Qwen3.5-35B-A3B measured
GPQA Diamond (Epoch AI run)83.5%84.8%Qwen3.5 Plus 2026-04-20
Chess puzzlesNot measured8.0%Only Qwen3.5 Plus 2026-04-20 measured
Mystery game puzzlesNot measured17.0%Only Qwen3.5 Plus 2026-04-20 measured
LMArena Text: hard prompts1400Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: expert1408Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: hard prompts in English1411Not measuredOnly Qwen3.5-35B-A3B measured
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index01
Math benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
AIMENot measured86.0%Only Qwen3.5 Plus 2026-04-20 measured
OTIS Mock AIME70.0%86.7%Qwen3.5 Plus 2026-04-20
LMArena Text: math1404Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: mathematical work1410Not measuredOnly Qwen3.5-35B-A3B measured
MathArena14.7%Not measuredOnly Qwen3.5-35B-A3B measured
Neither model has a result on the other 9 boards here
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index11 boards, none shared
Knowledge benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
MMLU ProNot measured87.2%Only Qwen3.5 Plus 2026-04-20 measured
LegalBench (Vals AI)Not measured85.1%Only Qwen3.5 Plus 2026-04-20 measured
CaseLaw (Vals AI)Not measured59.7%Only Qwen3.5 Plus 2026-04-20 measured
CorpFin (Vals AI)Not measured65.3%Only Qwen3.5 Plus 2026-04-20 measured
MortgageTax (Vals AI)Not measured60.8%Only Qwen3.5 Plus 2026-04-20 measured
MedQA (Vals AI)Not measured95.2%Only Qwen3.5 Plus 2026-04-20 measured
SimpleQA VerifiedNot measured25.4%Only Qwen3.5 Plus 2026-04-20 measured
LMArena Text: science1413Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: medicine and healthcare1421Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: legal and government1399Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: business and finance1394Not measuredOnly Qwen3.5-35B-A3B measured
Neither model has a result on the other 9 boards here
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
Neither model has a result on 9 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index02
General benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
SAGE (Vals AI)Not measured30.4%Only Qwen3.5 Plus 2026-04-20 measured
IFBench72.5%Not measuredOnly Qwen3.5-35B-A3B measured
Long context reasoning (AA-LCR)72.0%Not measuredOnly Qwen3.5-35B-A3B measured
DTBench80.0%80.5%Qwen3.5 Plus 2026-04-20
LMCA29.5%36.4%Qwen3.5 Plus 2026-04-20
CL-benchNot measured19.8%Only Qwen3.5 Plus 2026-04-20 measured
CL-bench LifeNot measured12.4%Only Qwen3.5 Plus 2026-04-20 measured
LMArena Text1395Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: instruction following1379Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: creative writing1347Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: English1407Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: non-English1378Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Chinese1457Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: German1367Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Japanese1326Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Korean1355Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: French1412Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Spanish1390Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Russian1376Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: Polish1385Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: multi-turn1390Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: longer queries1389Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: writing and language1365Not measuredOnly Qwen3.5-35B-A3B measured
LMArena Text: entertainment and media1347Not measuredOnly Qwen3.5-35B-A3B measured
Neither model has a result on the other 24 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
BenchmarkQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20Leader
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

Qwen3.5-35B-A3B$0.0008Fits in one request
Qwen3.5 Plus 2026-04-20$0.0012Fits in one request

Qwen3.5-35B-A3B costs less

Repository review

50K input + 3K output tokens

Qwen3.5-35B-A3B$0.012Fits in one request
Qwen3.5 Plus 2026-04-20$0.020Fits in one request

Qwen3.5-35B-A3B costs less

Agent loop

200K input + 10K output tokens

Qwen3.5-35B-A3B$0.045Fits in one request
Qwen3.5 Plus 2026-04-20$0.078Fits in one request

Qwen3.5-35B-A3B 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 Qwen3.5-35B-A3B and Qwen3.5 Plus 2026-04-20
SpecificationQwen3.5-35B-A3BQwen3.5 Plus 2026-04-20
MakerQwenQwen
WeightsOpen weightsNo public weights listed
ReleasedFebruary 25, 2026April 27, 2026
Context window262K1M
Input $/Mtok$0.1625$0.30
Output $/Mtok$1.30$1.80
Coding indexNot benchmarked39.5
Independent measurements behind it12
Cost per solved taskNot computable$1.35
SourceOpenRouter listingOpenRouter listing

Questions

Is Qwen3.5-35B-A3B better than Qwen3.5 Plus 2026-04-20 for coding?

Only Qwen3.5 Plus 2026-04-20 has a coding score, 39.5 on the Vibe Coding Index; Qwen3.5-35B-A3B has none, so the two cannot be ranked on coding. Pick Qwen3.5-35B-A3B for output tokens 1.4x cheaper ($1.30 vs $1.80 per million) and work measured by Vending-Bench 2, where it leads.

Which is cheaper, Qwen3.5-35B-A3B or Qwen3.5 Plus 2026-04-20?

Qwen3.5-35B-A3B costs $0.1625 per million input tokens and $1.30 per million output tokens; Qwen3.5 Plus 2026-04-20 costs $0.30 and $1.80. Cost per solved task is known for Qwen3.5 Plus 2026-04-20 only.

Which has the bigger context window, Qwen3.5-35B-A3B or Qwen3.5 Plus 2026-04-20?

Qwen3.5 Plus 2026-04-20, with 1M tokens against 262K.

How many benchmarks is the Qwen3.5-35B-A3B vs Qwen3.5 Plus 2026-04-20 comparison based on?

7 benchmarks have a result for both models as of October 22, 2026. Qwen3.5-35B-A3B's coding index rests on 1 independent benchmark and Qwen3.5 Plus 2026-04-20's on 2. Where only one model has a result, the page says so instead of naming a winner.

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