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Qwen3.5-122B-A10B vs Solar Pro 4

Solar Pro 4 leads Qwen3.5-122B-A10B on the Artificial Analysis Intelligence Index, 28.2 to 17.7, and Solar Pro 4 costs 3.5x less per output token ($0.60 vs $2.08 per million). Updated October 22, 2026; 37 benchmarks have a result for both.

Replace Qwen3.5-122B-A10B Replace Solar Pro 4
Qwen3.5-122B-A10BQwen
Coding
No data
Overall
No data
Output $/M
$2.08
27
Solar Pro 4Upstage
Coding
No data
Overall
No data
Output $/M
$0.60
10
vs boards won of 37 shared

Qwen3.5-122B-A10B or Solar Pro 4: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Qwen3.5-122B-A10B for work measured by LMArena WebDev or AA Coding Index, where it leads.

Model AQwen3.5-122B-A10BQwenNot benchmarked1 independent benchmarkNo cost per solved taskModel BSolar Pro 4UpstageNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
37
Qwen3.5-122B-A10B only
14
Solar Pro 4 only
8
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
Qwen3.5-122B-A10B not benchmarked, Solar Pro 4 not benchmarked.
Widest category
Intelligence, 10.5 points apart on average over 1 shared benchmark.
Widest single gap
LMArena Text: Polish: Qwen3.5-122B-A10B 1398 against Solar Pro 4 1304, 15.7 points apart on a 0 to 100 scale.
Output price
Qwen3.5-122B-A10B $2.08 against Solar Pro 4 $0.60 per million output tokens, 3.5x apart.
Context window
Qwen3.5-122B-A10B takes 262K tokens, Solar Pro 4 524K.

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
CategoryQwen3.5-122B-A10BBarsSolar Pro 4Ties
Coding16
Intelligence01
Reasoning32
Math20
Knowledge40
General171
All shared boards2710
CodingLike-for-likeSix of these boards feed the Vibe Coding Index16
Coding benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
LMArena WebDev13611371Solar Pro 4
AA Coding Index43.352.7Solar Pro 4
SciCode39.7%48.0%Solar Pro 4
Terminal-Bench Hard (Artificial Analysis run)31.1%Not measuredOnly Qwen3.5-122B-A10B measured
ALE-BenchNot measured179.3Only Solar Pro 4 measured
LMArena Text: coding14361438Solar Pro 4
LMArena Text: software and IT14361431Qwen3.5-122B-A10B
LMArena WebDev: React13531363Solar Pro 4
LMArena WebDev: HTML13511371Solar Pro 4
Neither model has a result on the other 34 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
AA Intelligence Index17.728.2Solar Pro 4
Neither model has a result on the other 1 board here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Agentic work benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
Design Arena: agents building web appsNot measured1105Only Solar Pro 4 measured
τ²-Bench Telecom93.6%Not measuredOnly Qwen3.5-122B-A10B measured
Neither model has a result on the other 40 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index32
Reasoning benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
GPQA Diamond (Artificial Analysis run)85.7%89.1%Solar Pro 4
Humanity's Last Exam (Artificial Analysis run)25.2%29.8%Solar Pro 4
Mystery game puzzles17.0%Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Text: hard prompts14211400Qwen3.5-122B-A10B
LMArena Text: expert14311428Qwen3.5-122B-A10B
LMArena Text: hard prompts in English14311427Qwen3.5-122B-A10B
LMArena Vision: diagrams1249Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Vision: homework1261Not measuredOnly Qwen3.5-122B-A10B measured
Neither model has a result on the other 15 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
LMArena Text: math14311421Qwen3.5-122B-A10B
LMArena Text: mathematical work14311427Qwen3.5-122B-A10B
Neither model has a result on the other 12 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
LMArena Text: science14321404Qwen3.5-122B-A10B
LMArena Text: medicine and healthcare14231374Qwen3.5-122B-A10B
LMArena Text: legal and government14221383Qwen3.5-122B-A10B
LMArena Text: business and finance14141381Qwen3.5-122B-A10B
Neither model has a result on the other 16 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
Design Arena: websitesNot measured1176Only Solar Pro 4 measured
Design Arena: UI componentsNot measured1147Only Solar Pro 4 measured
Design Arena: game devNot measured1169Only Solar Pro 4 measured
Design Arena: data vizNot measured1178Only Solar Pro 4 measured
Design Arena: 3DNot measured1178Only Solar Pro 4 measured
Design Arena: all code categoriesNot measured1182Only Solar Pro 4 measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index171
General benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
IFBench75.7%Not measuredOnly Qwen3.5-122B-A10B measured
Long context reasoning (AA-LCR)76.3%70.7%Qwen3.5-122B-A10B
DTBench84.3%Not measuredOnly Qwen3.5-122B-A10B measured
LMCA32.2%Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Text14171388Qwen3.5-122B-A10B
LMArena Text: instruction following13991375Qwen3.5-122B-A10B
LMArena Text: creative writing13681317Qwen3.5-122B-A10B
LMArena Vision1244Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Text: English14281414Qwen3.5-122B-A10B
LMArena Text: non-English14011363Qwen3.5-122B-A10B
LMArena Text: Chinese14631422Qwen3.5-122B-A10B
LMArena Text: German14251358Qwen3.5-122B-A10B
LMArena Text: Japanese13671320Qwen3.5-122B-A10B
LMArena Text: Korean13531383Solar Pro 4
LMArena Text: French14431400Qwen3.5-122B-A10B
LMArena Text: Spanish14251409Qwen3.5-122B-A10B
LMArena Text: Russian14001357Qwen3.5-122B-A10B
LMArena Text: Polish13981304Qwen3.5-122B-A10B
LMArena Text: multi-turn14161385Qwen3.5-122B-A10B
LMArena Text: longer queries14101382Qwen3.5-122B-A10B
LMArena Text: writing and language13871344Qwen3.5-122B-A10B
LMArena Text: entertainment and media13661332Qwen3.5-122B-A10B
LMArena Vision: English1249Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Vision: Chinese1301Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Vision: reading text1251Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Vision: humor1243Not measuredOnly Qwen3.5-122B-A10B measured
LMArena Vision: creative writing1220Not measuredOnly Qwen3.5-122B-A10B measured
Neither model has a result on the other 21 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Qwen3.5-122B-A10B and Solar Pro 4
BenchmarkQwen3.5-122B-A10BSolar Pro 4Leader
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

Qwen3.5-122B-A10B$0.0013Fits in one request
Solar Pro 4$0.0004Fits in one request

Solar Pro 4 costs less

Repository review

50K input + 3K output tokens

Qwen3.5-122B-A10B$0.019Fits in one request
Solar Pro 4$0.0093Fits in one request

Solar Pro 4 costs less

Agent loop

200K input + 10K output tokens

Qwen3.5-122B-A10B$0.073Fits in one request
Solar Pro 4$0.036Fits in one request

Solar Pro 4 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 Qwen3.5-122B-A10B and Solar Pro 4
SpecificationQwen3.5-122B-A10BUpstage Solar Pro 4
MakerQwenUpstage
WeightsOpen weightsNo public weights listed
ReleasedFebruary 25, 2026August 10, 2026
Context window262K524K
Input $/Mtok$0.26$0.15
Output $/Mtok$2.08$0.60
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it11
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Qwen3.5-122B-A10B better than Solar Pro 4 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Qwen3.5-122B-A10B for work measured by LMArena WebDev or AA Coding Index, where it leads.

Which is cheaper, Qwen3.5-122B-A10B or Solar Pro 4?

Qwen3.5-122B-A10B costs $0.26 per million input tokens and $2.08 per million output tokens; Solar Pro 4 costs $0.15 and $0.60. Cost per solved task is known for neither of them.

Which has the bigger context window, Qwen3.5-122B-A10B or Solar Pro 4?

Solar Pro 4, with 524K tokens against 262K.

How many benchmarks is the Qwen3.5-122B-A10B vs Solar Pro 4 comparison based on?

37 benchmarks have a result for both models as of October 22, 2026. Qwen3.5-122B-A10B's coding index rests on 1 independent benchmark and Solar Pro 4's on 1. Where only one model has a result, the page says so instead of naming a winner.

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