LLMBenchmark.ai

Enter opens the highlighted result. Esc closes.

Claude Opus 5.5 vs Qwen3.8 Max (0902)

Updated October 21, 2026. 89 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Claude Opus 5.5 Replace Qwen3.8 Max (0902)
Claude Opus 5.5Anthropic
Coding
92.2
Overall
57.6
Output $/M
$20.00
84
Qwen3.8 Max (0902)Qwen
Coding
63.5
Overall
45.4
Output $/M
$6.00
4
vs boards won of 89 shared, 1 tied

Decision reading

Pick Claude Opus 5.5 for coding: it scores 92.2 on the Vibe Coding Index against 63.5 for Qwen3.8 Max (0902).

Pick Qwen3.8 Max (0902) when output tokens cost 3.3x less, or when what matters is LMArena Search or GPQA Diamond (Epoch AI run), where it leads.

Model AClaude Opus 5.5Anthropic92.2/1002 independent benchmarksNo cost per solved taskModel BQwen3.8 Max (0902)Qwen63.5/1002 independent benchmarks$1.32 per solved task
Shared results
89
Claude Opus 5.5 only
18
Qwen3.8 Max (0902) only
24
Like-for-like categories
8 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
Claude Opus 5.5 92.2 from 2 benchmarks, Qwen3.8 Max (0902) 63.5 from 2 benchmarks.
Widest category
Coding, 21.2 points apart on average over 18 shared benchmarks.
Widest single gap
Furniture assembly: Claude Opus 5.5 83.3% against Qwen3.8 Max (0902) 20.0%, 63.3 points apart on a 0 to 100 scale.
Output price
Claude Opus 5.5 $20.00 against Qwen3.8 Max (0902) $6.00 per million output tokens, 3.3x 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 5.5BarsQwen3.8 Max (0902)Ties
Coding180
Intelligence20
Agentic work121
Reasoning101
Math501 tie
Knowledge60
Web design70
General242
All shared boards8441 tie
CodingLike-for-likeFour of these boards feed the Vibe Coding Index180
Coding benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
LiveBench coding96.3%60.3%Claude Opus 5.5
LMArena WebDev18071674Claude Opus 5.5
AA Coding IndexNot measured76.2Only Qwen3.8 Max (0902) measured
LiveCodeBench (Vals AI)Not measured87.8%Only Qwen3.8 Max (0902) measured
SWE-bench Verified (Vals AI)Not measured85.6%Only Qwen3.8 Max (0902) measured
Terminal-Bench 4 (Vals AI)65.2%34.3%Claude Opus 5.5
Vibe Code Bench (Vals AI)90.3%64.7%Claude Opus 5.5
Code migration (Vals AI)66.7%24.0%Claude Opus 5.5
ProgramBench (Vals AI)18.5%0.0%Claude Opus 5.5
IOI (Vals AI)95.1%68.9%Claude Opus 5.5
Terminal-Bench 2.1 (Vals AI)87.6%67.4%Claude Opus 5.5
SWE-bench Multimodal (Vals AI)70.2%42.5%Claude Opus 5.5
Vibe Code Bench 1-100 (Vals AI)30.4%12.8%Claude Opus 5.5
SkillsBench (Vals AI)Not measured42.0%Only Qwen3.8 Max (0902) measured
CyberBench (Vals AI)74.6%28.6%Claude Opus 5.5
SciCode66.9%53.2%Claude Opus 5.5
FrontierCode54.6%Not measuredOnly Claude Opus 5.5 measured
FrontierSWE62.3%17.8%Claude Opus 5.5
MirrorCode77.4%Not measuredOnly Claude Opus 5.5 measured
ALE-Bench2147.4Not measuredOnly Claude Opus 5.5 measured
LMArena Text: coding15451502Claude Opus 5.5
LMArena Text: software and IT15381498Claude Opus 5.5
LMArena WebDev: React18551692Claude Opus 5.5
LMArena WebDev: HTML17531649Claude Opus 5.5
LMArena WebDev: from an image17531637Claude Opus 5.5
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 Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
AA Intelligence Index57.645.4Claude Opus 5.5
Epoch Capabilities Index168.8157.4Claude Opus 5.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index121
Agentic work benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
AA Agentic IndexNot measured56.0Only Qwen3.8 Max (0902) measured
Design Arena: agents building web apps13161301Claude Opus 5.5
Design Arena: agents building full-stack appsNot measured1305Only Qwen3.8 Max (0902) measured
Design Arena: agents building mobile apps13111223Claude Opus 5.5
Design Arena: agents building Android appsNot measured1207Only Qwen3.8 Max (0902) measured
Design Arena: agents building Godot gamesNot measured1234Only Qwen3.8 Max (0902) measured
Design Arena: PowerPoint slidesNot measured1257Only Qwen3.8 Max (0902) measured
Design Arena: spreadsheets1359868Claude Opus 5.5
LiveBench research85.0%69.9%Claude Opus 5.5
LiveBench browser80.0%32.0%Claude Opus 5.5
LiveBench long agentic85.0%42.3%Claude Opus 5.5
SREBench (Vals AI)33.6%Not measuredOnly Claude Opus 5.5 measured
Finance Agent (Vals AI)58.6%50.6%Claude Opus 5.5
Tax Agent Bench (Vals AI)45.6%32.1%Claude Opus 5.5
Legal Research Bench (Vals AI)50.5%47.6%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%60.1%Claude Opus 5.5
BioMysteryBench (Vals AI)79.3%Not measuredOnly Claude Opus 5.5 measured
Terminal-Bench-Science (Vals AI)47.1%12.9%Claude Opus 5.5
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
APEX-Agents73.5%63.3%Claude Opus 5.5
Remote Labor Index21.3%Not measuredOnly Claude Opus 5.5 measured
SpireClimb3.3%Not measuredOnly Claude Opus 5.5 measured
Vending-Bench 2$9,235Not measuredOnly Claude Opus 5.5 measured
LMArena Search12131261Qwen3.8 Max (0902)
Neither model has a result on the other 11 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index101
Reasoning benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
GPQA DiamondNot measured93.7%Only Qwen3.8 Max (0902) measured
LiveBench reasoning92.2%88.2%Claude Opus 5.5
MysteryMechanism (Vals AI)49.5%23.9%Claude Opus 5.5
MMMU Pro (Vals AI)Not measured88.0%Only Qwen3.8 Max (0902) measured
GPQA Diamond (Artificial Analysis run)Not measured92.8%Only Qwen3.8 Max (0902) measured
Humanity's Last Exam (Artificial Analysis run)61.4%43.1%Claude Opus 5.5
GPQA Diamond (Epoch AI run)90.6%92.7%Qwen3.8 Max (0902)
ARC-AGI98.5%Not measuredOnly Claude Opus 5.5 measured
ARC-AGI-293.3%Not measuredOnly Claude Opus 5.5 measured
Chess puzzles67.0%46.0%Claude Opus 5.5
Mystery game puzzles71.0%38.0%Claude Opus 5.5
EBR-bench71.4%Not measuredOnly Claude Opus 5.5 measured
LMArena Text: hard prompts15361496Claude Opus 5.5
LMArena Text: expert15491507Claude Opus 5.5
LMArena Text: hard prompts in English15351503Claude Opus 5.5
LMArena Vision: diagrams13451323Claude Opus 5.5
LMArena Vision: homework13621336Claude Opus 5.5
Neither model has a result on the other 4 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index50
Math benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
OTIS Mock AIME100.0%100.0%Tie
FrontierMath, tiers 1 to 391.2%74.7%Claude Opus 5.5
FrontierMath, tier 495.0%46.3%Claude Opus 5.5
ProofBench100.0%58.0%Claude Opus 5.5
LMArena Text: math15181501Claude Opus 5.5
LMArena Text: mathematical work15161491Claude Opus 5.5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index60
Knowledge benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
MMLU ProNot measured88.6%Only Qwen3.8 Max (0902) measured
LegalBench (Vals AI)Not measured83.6%Only Qwen3.8 Max (0902) measured
CorpFin (Vals AI)Not measured65.8%Only Qwen3.8 Max (0902) measured
TaxEval (Vals AI)Not measured75.5%Only Qwen3.8 Max (0902) measured
MortgageTax (Vals AI)Not measured64.0%Only Qwen3.8 Max (0902) measured
MedCode (Vals AI)49.8%40.7%Claude Opus 5.5
SimpleQA Verified72.2%47.3%Claude Opus 5.5
LMArena Text: science15241512Claude Opus 5.5
LMArena Text: medicine and healthcare15091503Claude Opus 5.5
LMArena Text: legal and government15181492Claude Opus 5.5
LMArena Text: business and finance14941480Claude Opus 5.5
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index70
Web design benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
Design Arena: websites13351275Claude Opus 5.5
Design Arena: UI components13901340Claude Opus 5.5
Design Arena: game dev14571313Claude Opus 5.5
Design Arena: data viz13971281Claude Opus 5.5
Design Arena: 3D14771337Claude Opus 5.5
Design Arena: all code categories13901293Claude Opus 5.5
Design Arena: SVG1332Not measuredOnly Claude Opus 5.5 measured
Design Arena: ASCII artNot measured1201Only Qwen3.8 Max (0902) measured
LiveBench design86.9%78.6%Claude Opus 5.5
GeneralLike-for-likePublic boards, shown as published, kept out of the index242
General benchmarks for Claude Opus 5.5 and Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
Vals Index70.2%Not measuredOnly Claude Opus 5.5 measured
LiveBench data analysis80.3%78.4%Claude Opus 5.5
Public Benefits Bench (Vals AI)70.6%67.1%Claude Opus 5.5
SAGE (Vals AI)45.8%51.2%Qwen3.8 Max (0902)
MedScribe (Vals AI)91.4%85.0%Claude Opus 5.5
Vals Multimodal IndexNot measured65.4%Only Qwen3.8 Max (0902) measured
Long context reasoning (AA-LCR)84.7%80.3%Claude Opus 5.5
DTBench98.9%92.0%Claude Opus 5.5
LMCA68.2%46.2%Claude Opus 5.5
Furniture assembly83.3%20.0%Claude Opus 5.5
LMArena Text15161483Claude Opus 5.5
LMArena Text: instruction following15371481Claude Opus 5.5
LMArena Text: creative writing15351477Claude Opus 5.5
LMArena Vision13211313Claude Opus 5.5
LMArena Text: English15191491Claude Opus 5.5
LMArena Text: non-English15071473Claude Opus 5.5
LMArena Text: Chinese15821539Claude Opus 5.5
LMArena Text: GermanNot measured1478Only Qwen3.8 Max (0902) measured
LMArena Text: Japanese15341473Claude Opus 5.5
LMArena Text: KoreanNot measured1460Only Qwen3.8 Max (0902) measured
LMArena Text: French14931498Qwen3.8 Max (0902)
LMArena Text: Spanish15081489Claude Opus 5.5
LMArena Text: Russian15171482Claude Opus 5.5
LMArena Text: PolishNot measured1471Only Qwen3.8 Max (0902) measured
LMArena Text: multi-turn15011489Claude Opus 5.5
LMArena Text: longer queries15321488Claude Opus 5.5
LMArena Text: writing and language15321477Claude Opus 5.5
LMArena Text: entertainment and media15151464Claude Opus 5.5
LMArena Vision: English13171311Claude Opus 5.5
LMArena Vision: ChineseNot measured1358Only Qwen3.8 Max (0902) measured
LMArena Vision: reading text13261322Claude Opus 5.5
LMArena Vision: humorNot measured1304Only Qwen3.8 Max (0902) measured
LMArena Vision: creative writing13201312Claude Opus 5.5
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 Qwen3.8 Max (0902)
BenchmarkClaude Opus 5.5Qwen3.8 Max (0902)Leader
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
Qwen3.8 Max (0902)$0.0050Fits in one request

Qwen3.8 Max (0902) costs less

Repository review

50K input + 3K output tokens

Claude Opus 5.5$0.260Fits in one request
Qwen3.8 Max (0902)$0.118Fits in one request

Qwen3.8 Max (0902) costs less

Agent loop

200K input + 10K output tokens

Claude Opus 5.5$1.00Fits in one request
Qwen3.8 Max (0902)$0.460Fits in one request

Qwen3.8 Max (0902) 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 Qwen3.8 Max (0902)
SpecificationAnthropic Claude Opus 5.5Qwen3.8 Max (0902)
MakerAnthropicQwen
WeightsNo public weights listedNo public weights listed
ReleasedSeptember 22, 2026September 3, 2026
Context window1M1M
Input $/Mtok$4.00$2.00
Output $/Mtok$20.00$6.00
Coding index92.263.5
Independent measurements behind it22
Cost per solved taskNot computable$1.32
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 5.5 better than Qwen3.8 Max (0902) for coding?

Pick Claude Opus 5.5 for coding: it scores 92.2 on the Vibe Coding Index against 63.5 for Qwen3.8 Max (0902). Pick Qwen3.8 Max (0902) when output tokens cost 3.3x less, or when what matters is LMArena Search or GPQA Diamond (Epoch AI run), where it leads.

Which is cheaper, Claude Opus 5.5 or Qwen3.8 Max (0902)?

Claude Opus 5.5 costs $4.00 per million input tokens and $20.00 per million output tokens; Qwen3.8 Max (0902) costs $2.00 and $6.00. Cost per solved task is known for Qwen3.8 Max (0902) only.

Which has the bigger context window, Claude Opus 5.5 or Qwen3.8 Max (0902)?

Neither: both take 1M tokens.

How many benchmarks is the Claude Opus 5.5 vs Qwen3.8 Max (0902) comparison based on?

89 benchmarks have a result for both models as of October 21, 2026. Claude Opus 5.5's coding index rests on 2 independent benchmarks and Qwen3.8 Max (0902)'s on 2. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/claude-opus-5-5-vs-qwen3-8-max-0902" title="Claude Opus 5.5 vs Qwen3.8 Max (0902), LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/claude-opus-5-5-vs-qwen3-8-max-0902">LLMBenchmark.ai, Claude Opus 5.5 vs Qwen3.8 Max (0902)</a></p>