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Qwen3.8 27B vs Qwen3 Coder 480B A35B

Updated October 21, 2026. 35 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Qwen3.8 27B Replace Qwen3 Coder 480B A35B
Qwen3.8 27BQwen
Coding
73.6
Overall
33.7
Output $/M
$1.35
35
Qwen3 Coder 480B A35BQwen
Coding
50.0
Overall
11.9
Output $/M
$1.00
0
vs boards won of 35 shared

Decision reading

Pick Qwen3.8 27B for coding: it scores 73.6 on the Vibe Coding Index against 50.0 for Qwen3 Coder 480B A35B.

Pick Qwen3 Coder 480B A35B when output tokens cost 1.4x less.

Model AQwen3.8 27BQwen73.6/1002 independent benchmarks$1.26 per solved taskModel BQwen3 Coder 480B A35BQwen50.0/1002 independent benchmarksNo cost per solved task
Shared results
35
Qwen3.8 27B only
50
Qwen3 Coder 480B A35B only
17
Like-for-like categories
6 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
Qwen3.8 27B 73.6 from 2 benchmarks, Qwen3 Coder 480B A35B 50.0 from 2 benchmarks.
Widest category
Coding, 35.2 points apart on average over 5 shared benchmarks.
Widest single gap
LMArena WebDev: React: Qwen3.8 27B 1602 against Qwen3 Coder 480B A35B 1257, 57.1 points apart on a 0 to 100 scale.
Output price
Qwen3.8 27B $1.35 against Qwen3 Coder 480B A35B $1.00 per million output tokens, 1.4x apart.
Context window
Qwen3.8 27B takes 1M tokens, Qwen3 Coder 480B A35B 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
CategoryQwen3.8 27BBarsQwen3 Coder 480B A35BTies
Coding50
Intelligence10
Reasoning50
Math20
Knowledge40
General180
All shared boards350
CodingLike-for-likeFour of these boards feed the Vibe Coding Index50
Coding benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
SWE-bench VerifiedNot measured69.6%Only Qwen3 Coder 480B A35B measured
LiveBench coding86.8%Not measuredOnly Qwen3.8 27B measured
LMArena WebDev15931275Qwen3.8 27B
AA Coding Index68.1Not measuredOnly Qwen3.8 27B measured
LiveCodeBench (Vals AI)84.0%Not measuredOnly Qwen3.8 27B measured
SWE-bench Verified (Vals AI)86.0%Not measuredOnly Qwen3.8 27B measured
Vibe Code Bench (Vals AI)64.8%Not measuredOnly Qwen3.8 27B measured
Code migration (Vals AI)14.2%Not measuredOnly Qwen3.8 27B measured
ProgramBench (Vals AI)0.0%Not measuredOnly Qwen3.8 27B measured
IOI (Vals AI)39.1%Not measuredOnly Qwen3.8 27B measured
Terminal-Bench 2.1 (Vals AI)58.4%Not measuredOnly Qwen3.8 27B measured
SkillsBench (Vals AI)38.1%Not measuredOnly Qwen3.8 27B measured
CyberBench (Vals AI)67.8%Not measuredOnly Qwen3.8 27B measured
LiveCodeBench (Artificial Analysis run)Not measured58.5%Only Qwen3 Coder 480B A35B measured
SciCode46.6%Not measuredOnly Qwen3.8 27B measured
Terminal-Bench Hard (Artificial Analysis run)Not measured18.9%Only Qwen3 Coder 480B A35B measured
Terminal-BenchNot measured27.2%Only Qwen3 Coder 480B A35B measured
GSO-BenchNot measured4.9%Only Qwen3 Coder 480B A35B measured
WeirdMLNot measured41.2%Only Qwen3 Coder 480B A35B measured
ALE-BenchNot measured461.4Only Qwen3 Coder 480B A35B measured
LMArena Text: coding14831412Qwen3.8 27B
LMArena Text: software and IT14781393Qwen3.8 27B
LMArena WebDev: React16021257Qwen3.8 27B
LMArena WebDev: HTML15701287Qwen3.8 27B
LMArena WebDev: from an image1577Not measuredOnly Qwen3.8 27B measured
Neither model has a result on the other 13 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
AA Intelligence Index33.711.9Qwen3.8 27B
Epoch Capabilities Index151.7Not measuredOnly Qwen3.8 27B measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index11 boards, none shared
Agentic work benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
AA Agentic Index45.8Not measuredOnly Qwen3.8 27B measured
LiveBench research59.4%Not measuredOnly Qwen3.8 27B measured
LiveBench browser32.0%Not measuredOnly Qwen3.8 27B measured
LiveBench long agentic27.9%Not measuredOnly Qwen3.8 27B measured
Finance Agent (Vals AI)48.5%Not measuredOnly Qwen3.8 27B measured
Tax Agent Bench (Vals AI)30.9%Not measuredOnly Qwen3.8 27B measured
Legal Research Bench (Vals AI)36.1%Not measuredOnly Qwen3.8 27B measured
Excel Modeling Benchmark (Vals AI)59.7%Not measuredOnly Qwen3.8 27B measured
Terminal-Bench-Science (Vals AI)0.0%Not measuredOnly Qwen3.8 27B measured
τ²-Bench TelecomNot measured43.6%Only Qwen3 Coder 480B A35B measured
APEX-Agents47.5%Not measuredOnly Qwen3.8 27B measured
Neither model has a result on the other 28 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
Reasoning benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
GPQA Diamond88.9%Not measuredOnly Qwen3.8 27B measured
LiveBench reasoning80.0%Not measuredOnly Qwen3.8 27B measured
MMMU Pro (Vals AI)83.9%Not measuredOnly Qwen3.8 27B measured
GPQA Diamond (Artificial Analysis run)90.5%61.8%Qwen3.8 27B
Humanity's Last Exam (Artificial Analysis run)33.9%4.5%Qwen3.8 27B
ARC-AGI87.5%Not measuredOnly Qwen3.8 27B measured
ARC-AGI-242.4%Not measuredOnly Qwen3.8 27B measured
LMArena Text: hard prompts14591372Qwen3.8 27B
LMArena Text: expert14791338Qwen3.8 27B
LMArena Text: hard prompts in English14611380Qwen3.8 27B
LMArena Vision: diagrams1285Not measuredOnly Qwen3.8 27B measured
LMArena Vision: homework1295Not measuredOnly Qwen3.8 27B measured
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
AA Math IndexNot measured39.3Only Qwen3 Coder 480B A35B measured
AIME 2025 (Artificial Analysis run)Not measured39.3%Only Qwen3 Coder 480B A35B measured
ProofBench16.0%Not measuredOnly Qwen3.8 27B measured
LMArena Text: math14551365Qwen3.8 27B
LMArena Text: mathematical work14581367Qwen3.8 27B
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
MMLU Pro84.3%Not measuredOnly Qwen3.8 27B measured
LegalBench (Vals AI)82.4%Not measuredOnly Qwen3.8 27B measured
TaxEval (Vals AI)70.8%Not measuredOnly Qwen3.8 27B measured
MortgageTax (Vals AI)64.9%Not measuredOnly Qwen3.8 27B measured
MedCode (Vals AI)28.7%Not measuredOnly Qwen3.8 27B measured
MMLU Pro (Artificial Analysis run)Not measured78.8%Only Qwen3 Coder 480B A35B measured
LMArena Text: science14671347Qwen3.8 27B
LMArena Text: medicine and healthcare14371347Qwen3.8 27B
LMArena Text: legal and government14471358Qwen3.8 27B
LMArena Text: business and finance14381343Qwen3.8 27B
Neither model has a result on the other 7 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
Design Arena: websitesNot measured1159Only Qwen3 Coder 480B A35B measured
Design Arena: UI componentsNot measured1112Only Qwen3 Coder 480B A35B measured
Design Arena: game devNot measured1099Only Qwen3 Coder 480B A35B measured
Design Arena: data vizNot measured1084Only Qwen3 Coder 480B A35B measured
Design Arena: all code categoriesNot measured1143Only Qwen3 Coder 480B A35B measured
LiveBench design75.9%Not measuredOnly Qwen3.8 27B measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index180
General benchmarks for Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
LiveBench data analysis76.6%Not measuredOnly Qwen3.8 27B measured
SAGE (Vals AI)52.4%Not measuredOnly Qwen3.8 27B measured
MedScribe (Vals AI)83.8%Not measuredOnly Qwen3.8 27B measured
IFBenchNot measured40.5%Only Qwen3 Coder 480B A35B measured
Long context reasoning (AA-LCR)82.0%45.7%Qwen3.8 27B
DTBench88.0%Not measuredOnly Qwen3.8 27B measured
LMCA41.4%Not measuredOnly Qwen3.8 27B measured
Surface Evolver Bench45.0%Not measuredOnly Qwen3.8 27B measured
LMArena Text14401357Qwen3.8 27B
LMArena Text: instruction following14361355Qwen3.8 27B
LMArena Text: creative writing13831333Qwen3.8 27B
LMArena Vision1269Not measuredOnly Qwen3.8 27B measured
LMArena Text: English14481359Qwen3.8 27B
LMArena Text: non-English14281346Qwen3.8 27B
LMArena Text: Chinese15011357Qwen3.8 27B
LMArena Text: German14431325Qwen3.8 27B
LMArena Text: Japanese13871311Qwen3.8 27B
LMArena Text: Korean13841305Qwen3.8 27B
LMArena Text: French14651398Qwen3.8 27B
LMArena Text: Spanish14491360Qwen3.8 27B
LMArena Text: Russian14151366Qwen3.8 27B
LMArena Text: Polish14391344Qwen3.8 27B
LMArena Text: multi-turn14401366Qwen3.8 27B
LMArena Text: longer queries14481378Qwen3.8 27B
LMArena Text: writing and language14051340Qwen3.8 27B
LMArena Text: entertainment and media13931317Qwen3.8 27B
LMArena Vision: English1267Not measuredOnly Qwen3.8 27B measured
LMArena Vision: Chinese1326Not measuredOnly Qwen3.8 27B measured
LMArena Vision: reading text1281Not measuredOnly Qwen3.8 27B measured
LMArena Vision: humor1235Not measuredOnly Qwen3.8 27B measured
LMArena Vision: creative writing1237Not measuredOnly Qwen3.8 27B 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 Qwen3.8 27B and Qwen3 Coder 480B A35B
BenchmarkQwen3.8 27BQwen3 Coder 480B A35BLeader
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

Qwen3.8 27B$0.0007Fits in one request
Qwen3 Coder 480B A35B$0.0008Fits in one request

Qwen3.8 27B costs less

Repository review

50K input + 3K output tokens

Qwen3.8 27B$0.0060Fits in one request
Qwen3 Coder 480B A35B$0.018Fits in one request

Qwen3.8 27B costs less

Agent loop

200K input + 10K output tokens

Qwen3.8 27B$0.021Fits in one request
Qwen3 Coder 480B A35B$0.070Fits in one request

Qwen3.8 27B 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 Qwen3.8 27B and Qwen3 Coder 480B A35B
SpecificationQwen3.8 27BQwen3 Coder 480B A35B
MakerQwenQwen
WeightsOpen weightsOpen weights
ReleasedAugust 14, 2026July 23, 2025
Context window1M262K
Input $/Mtok$0.04$0.30
Output $/Mtok$1.35$1.00
Coding index73.650.0
Independent measurements behind it22
Cost per solved task$1.26Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Qwen3.8 27B better than Qwen3 Coder 480B A35B for coding?

Pick Qwen3.8 27B for coding: it scores 73.6 on the Vibe Coding Index against 50.0 for Qwen3 Coder 480B A35B. Pick Qwen3 Coder 480B A35B when output tokens cost 1.4x less.

Which is cheaper, Qwen3.8 27B or Qwen3 Coder 480B A35B?

Qwen3.8 27B costs $0.04 per million input tokens and $1.35 per million output tokens; Qwen3 Coder 480B A35B costs $0.30 and $1.00. Cost per solved task is known for Qwen3.8 27B only.

Which has the bigger context window, Qwen3.8 27B or Qwen3 Coder 480B A35B?

Qwen3.8 27B, with 1M tokens against 262K.

How many benchmarks is the Qwen3.8 27B vs Qwen3 Coder 480B A35B comparison based on?

35 benchmarks have a result for both models as of October 21, 2026. Qwen3.8 27B's coding index rests on 2 independent benchmarks and Qwen3 Coder 480B A35B's on 2. Where only one model has a result, the page says so instead of naming a winner.

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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/qwen3-8-27b-vs-qwen3-coder">LLMBenchmark.ai, Qwen3.8 27B vs Qwen3 Coder 480B A35B</a></p>