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Claude Opus 5.5 vs Qwen3.6 Plus

Claude Opus 5.5 leads Qwen3.6 Plus on coding, 88.8 to 44.1 on the Vibe Coding Index, and Qwen3.6 Plus costs 10.3x less per output token ($1.95 vs $20.00 per million). Updated October 22, 2026; 61 benchmarks have a result for both.

Replace Claude Opus 5.5 Replace Qwen3.6 Plus
Claude Opus 5.5Anthropic
Coding
88.8
Overall
87.1
Output $/M
$20.00
61
Qwen3.6 PlusQwen
Coding
44.1
Overall
56.2
Output $/M
$1.95
0
vs boards won of 61 shared

Claude Opus 5.5 or Qwen3.6 Plus: which to pick

Pick Claude Opus 5.5 for coding: it scores 88.8 on the Vibe Coding Index against 44.1 for Qwen3.6 Plus.

Pick Qwen3.6 Plus for output tokens 10.3x cheaper ($1.95 vs $20.00 per million).

Model AClaude Opus 5.5Anthropic88.8/1005 independent benchmarksNo cost per solved taskModel BQwen3.6 PlusQwen44.1/1003 independent benchmarks$1.19 per solved task
Shared results
61
Claude Opus 5.5 only
48
Qwen3.6 Plus only
22
Like-for-like categories
8 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
Claude Opus 5.5 88.8 from 5 benchmarks, Qwen3.6 Plus 44.1 from 3 benchmarks.
Widest category
Coding, 33.3 points apart on average over 11 shared benchmarks.
Widest single gap
Vibe Code Bench (Vals AI): Claude Opus 5.5 90.3% against Qwen3.6 Plus 25.6%, 64.7 points apart on a 0 to 100 scale.
Output price
Claude Opus 5.5 $20.00 against Qwen3.6 Plus $1.95 per million output tokens, 10.3x apart.
Context window
Both take 1M tokens.

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
CategoryClaude Opus 5.5BarsQwen3.6 PlusTies
Coding110
Intelligence20
Agentic work50
Reasoning70
Math40
Knowledge60
Web design70
General190
All shared boards610
CodingLike-for-likeSix of these boards feed the Vibe Coding Index110
Coding benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
LiveBench coding96.3%Not measuredOnly Claude Opus 5.5 measured
LMArena WebDev18071461Claude Opus 5.5
AA Coding IndexNot measured54.5Only Qwen3.6 Plus measured
LiveCodeBench (Vals AI)Not measured86.0%Only Qwen3.6 Plus measured
SWE-bench Verified (Vals AI)Not measured73.4%Only Qwen3.6 Plus measured
Terminal-Bench 4 (Vals AI)65.2%Not measuredOnly Claude Opus 5.5 measured
Vibe Code Bench (Vals AI)90.3%25.6%Claude Opus 5.5
Code migration (Vals AI)66.7%11.1%Claude Opus 5.5
ProgramBench (Vals AI)18.5%0.0%Claude Opus 5.5
IOI (Vals AI)95.1%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench 2.1 (Vals AI)87.6%53.2%Claude Opus 5.5
SWE-bench Multimodal (Vals AI)70.2%Not measuredOnly Claude Opus 5.5 measured
Vibe Code Bench 1-100 (Vals AI)30.4%Not measuredOnly Claude Opus 5.5 measured
CyberBench (Vals AI)74.6%Not measuredOnly Claude Opus 5.5 measured
SciCode66.9%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured43.9%Only Qwen3.6 Plus measured
FrontierCode54.6%Not measuredOnly Claude Opus 5.5 measured
FrontierSWE62.3%Not measuredOnly Claude Opus 5.5 measured
MirrorCode77.4%Not measuredOnly Claude Opus 5.5 measured
ALE-Bench2147.4670.1Claude Opus 5.5
LMArena Text: coding15451467Claude Opus 5.5
LMArena Text: software and IT15381462Claude Opus 5.5
LMArena WebDev: React18551454Claude Opus 5.5
LMArena WebDev: HTML17531463Claude Opus 5.5
LMArena WebDev: from an image17531472Claude Opus 5.5
SciCode18.5%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 13 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
AA Intelligence Index57.627.0Claude Opus 5.5
Epoch Capabilities Index168.8147.3Claude Opus 5.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
Agentic work benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
Design Arena: agents building web apps1316Not measuredOnly Claude Opus 5.5 measured
Design Arena: agents building mobile apps1308Not measuredOnly Claude Opus 5.5 measured
Design Arena: spreadsheets1368Not measuredOnly Claude Opus 5.5 measured
LiveBench research85.0%Not measuredOnly Claude Opus 5.5 measured
LiveBench browser80.0%Not measuredOnly Claude Opus 5.5 measured
LiveBench long agentic85.0%Not measuredOnly Claude Opus 5.5 measured
SREBench (Vals AI)33.6%Not measuredOnly Claude Opus 5.5 measured
Finance Agent (Vals AI)58.6%40.9%Claude Opus 5.5
Tax Agent Bench (Vals AI)45.6%7.7%Claude Opus 5.5
Legal Research Bench (Vals AI)50.5%14.9%Claude Opus 5.5
Harvey's Legal Agent Benchmark (Vals AI)9.2%Not measuredOnly Claude Opus 5.5 measured
Excel Modeling Benchmark (Vals AI)75.9%32.9%Claude Opus 5.5
BioMysteryBench (Vals AI)79.3%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench-Science (Vals AI)47.1%Not measuredOnly Claude Opus 5.5 measured
Vals Science Index58.7%Not measuredOnly Claude Opus 5.5 measured
Time Horizon Index (Vals AI)91.3%Not measuredOnly Claude Opus 5.5 measured
CUA-bench (Vals AI)14.0%Not measuredOnly Claude Opus 5.5 measured
Robo-bench (Vals AI)14.6%Not measuredOnly Claude Opus 5.5 measured
τ²-Bench TelecomNot measured97.7%Only Qwen3.6 Plus measured
APEX-Agents73.5%Not measuredOnly Claude Opus 5.5 measured
Remote Labor Index21.3%Not measuredOnly Claude Opus 5.5 measured
SpireClimb3.3%Not measuredOnly Claude Opus 5.5 measured
Vending-Bench 2$9,235$5,115Claude Opus 5.5
LMArena Search1213Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 17 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index70
Reasoning benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
GPQA DiamondNot measured87.4%Only Qwen3.6 Plus measured
LiveBench reasoning92.2%Not measuredOnly Claude Opus 5.5 measured
MysteryMechanism (Vals AI)49.5%Not measuredOnly Claude Opus 5.5 measured
MMMU Pro (Vals AI)Not measured84.2%Only Qwen3.6 Plus measured
GPQA Diamond (Artificial Analysis run)Not measured88.2%Only Qwen3.6 Plus measured
Humanity's Last Exam (Artificial Analysis run)61.4%27.8%Claude Opus 5.5
GPQA Diamond (Epoch AI run)90.6%88.4%Claude Opus 5.5
ARC-AGI98.5%Not measuredOnly Claude Opus 5.5 measured
ARC-AGI-293.3%Not measuredOnly Claude Opus 5.5 measured
Chess puzzles67.0%14.0%Claude Opus 5.5
Mystery game puzzles71.0%12.0%Claude Opus 5.5
EBR-bench71.4%Not measuredOnly Claude Opus 5.5 measured
LMArena Text: hard prompts15361448Claude Opus 5.5
LMArena Text: expert15491454Claude Opus 5.5
LMArena Text: hard prompts in English15351455Claude Opus 5.5
LMArena Vision: diagrams1345Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: homework1362Not measuredOnly Claude Opus 5.5 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 Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
AIMENot measured94.6%Only Qwen3.6 Plus measured
OTIS Mock AIME100.0%93.3%Claude Opus 5.5
FrontierMath, tiers 1 to 391.2%38.2%Claude Opus 5.5
FrontierMath, tier 495.0%Not measuredOnly Claude Opus 5.5 measured
ProofBench100.0%Not measuredOnly Claude Opus 5.5 measured
LMArena Text: math15181449Claude Opus 5.5
LMArena Text: mathematical work15161448Claude Opus 5.5
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index60
Knowledge benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
MMLU ProNot measured87.7%Only Qwen3.6 Plus measured
LegalBench (Vals AI)Not measured84.2%Only Qwen3.6 Plus measured
CaseLaw (Vals AI)Not measured51.5%Only Qwen3.6 Plus measured
CorpFin (Vals AI)Not measured61.9%Only Qwen3.6 Plus measured
TaxEval (Vals AI)Not measured74.7%Only Qwen3.6 Plus measured
MortgageTax (Vals AI)Not measured68.0%Only Qwen3.6 Plus measured
MedCode (Vals AI)49.8%36.9%Claude Opus 5.5
SimpleQA Verified72.2%44.1%Claude Opus 5.5
LMArena Text: science15241439Claude Opus 5.5
LMArena Text: medicine and healthcare15091442Claude Opus 5.5
LMArena Text: legal and government15181437Claude Opus 5.5
LMArena Text: business and finance14941430Claude Opus 5.5
FACTS Benchmark Suite65.3%Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index70
Web design benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
Design Arena: websites13351243Claude Opus 5.5
Design Arena: UI components13851230Claude Opus 5.5
Design Arena: game dev14611211Claude Opus 5.5
Design Arena: data viz13971228Claude Opus 5.5
Design Arena: 3D14761202Claude Opus 5.5
Design Arena: all code categories13901236Claude Opus 5.5
Design Arena: SVG13291161Claude Opus 5.5
Design Arena: ASCII artNot measured1113Only Qwen3.6 Plus measured
LiveBench design86.9%Not measuredOnly Claude Opus 5.5 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index190
General benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 PlusLeader
Vals Index70.2%Not measuredOnly Claude Opus 5.5 measured
LiveBench data analysis80.3%Not measuredOnly Claude Opus 5.5 measured
Public Benefits Bench (Vals AI)70.6%Not measuredOnly Claude Opus 5.5 measured
SAGE (Vals AI)45.8%44.9%Claude Opus 5.5
MedScribe (Vals AI)91.4%77.0%Claude Opus 5.5
Vals Multimodal IndexNot measured51.5%Only Qwen3.6 Plus measured
IFBenchNot measured75.2%Only Qwen3.6 Plus measured
Long context reasoning (AA-LCR)84.7%78.3%Claude Opus 5.5
DTBench98.9%81.9%Claude Opus 5.5
LMCA68.2%33.1%Claude Opus 5.5
CL-benchNot measured20.3%Only Qwen3.6 Plus measured
Furniture assembly83.3%Not measuredOnly Claude Opus 5.5 measured
LMArena Text15161436Claude Opus 5.5
LMArena Text: instruction following15371424Claude Opus 5.5
LMArena Text: creative writing15351404Claude Opus 5.5
LMArena Vision1321Not measuredOnly Claude Opus 5.5 measured
LMArena Text: English15191445Claude Opus 5.5
LMArena Text: non-English15071424Claude Opus 5.5
LMArena Text: Chinese15821477Claude Opus 5.5
LMArena Text: GermanNot measured1451Only Qwen3.6 Plus measured
LMArena Text: Japanese15341390Claude Opus 5.5
LMArena Text: KoreanNot measured1379Only Qwen3.6 Plus measured
LMArena Text: French14931455Claude Opus 5.5
LMArena Text: Spanish15081432Claude Opus 5.5
LMArena Text: Russian15171434Claude Opus 5.5
LMArena Text: PolishNot measured1433Only Qwen3.6 Plus measured
LMArena Text: multi-turn15011438Claude Opus 5.5
LMArena Text: longer queries15321439Claude Opus 5.5
LMArena Text: writing and language15321418Claude Opus 5.5
LMArena Text: entertainment and media15151402Claude Opus 5.5
LMArena Vision: English1317Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: reading text1326Not measuredOnly Claude Opus 5.5 measured
LMArena Vision: creative writing1320Not measuredOnly Claude Opus 5.5 measured
Neither model has a result on the other 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Opus 5.5 and Qwen3.6 Plus
BenchmarkClaude Opus 5.5Qwen3.6 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

Claude Opus 5.5$0.014Fits in one request
Qwen3.6 Plus$0.0013Fits in one request

Qwen3.6 Plus costs less

Repository review

50K input + 3K output tokens

Claude Opus 5.5$0.260Fits in one request
Qwen3.6 Plus$0.022Fits in one request

Qwen3.6 Plus costs less

Agent loop

200K input + 10K output tokens

Claude Opus 5.5$1.00Fits 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 Claude Opus 5.5 and Qwen3.6 Plus
SpecificationAnthropic Claude Opus 5.5Qwen3.6 Plus
MakerAnthropicQwen
WeightsNo public weights listedNo public weights listed
ReleasedSeptember 22, 2026April 2, 2026
Context window1M1M
Input $/Mtok$4.00$0.325
Output $/Mtok$20.00$1.95
Coding index88.844.1
Independent measurements behind it53
Cost per solved taskNot computable$1.19
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 5.5 better than Qwen3.6 Plus for coding?

Pick Claude Opus 5.5 for coding: it scores 88.8 on the Vibe Coding Index against 44.1 for Qwen3.6 Plus. Pick Qwen3.6 Plus for output tokens 10.3x cheaper ($1.95 vs $20.00 per million).

Which is cheaper, Claude Opus 5.5 or Qwen3.6 Plus?

Claude Opus 5.5 costs $4.00 per million input tokens and $20.00 per million output tokens; Qwen3.6 Plus costs $0.325 and $1.95. Cost per solved task is known for Qwen3.6 Plus only.

Which has the bigger context window, Claude Opus 5.5 or Qwen3.6 Plus?

Neither: both take 1M tokens.

How many benchmarks is the Claude Opus 5.5 vs Qwen3.6 Plus comparison based on?

61 benchmarks have a result for both models as of October 22, 2026. Claude Opus 5.5's coding index rests on 5 independent benchmarks and Qwen3.6 Plus's on 3. Where only one model has a result, the page says so instead of naming a winner.

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