Claude Opus 4.1 vs Qwen3 Next 80B A3B Instruct

Claude Opus 4.1 leads Qwen3 Next 80B A3B Instruct on the Artificial Analysis Intelligence Index, 22.8 to 9.6, and Qwen3 Next 80B A3B Instruct costs 68.2x less per output token ($1.10 vs $75.00 per million). Updated October 22, 2026; 29 benchmarks have a result for both.

Replace Claude Opus 4.1 Replace Qwen3 Next 80B A3B Instruct

Claude Opus 4.1Anthropic

Coding: No data
Overall: 50.2
Output $/M: $75.00

Qwen3 Next 80B A3B InstructQwen

Coding: No data
Overall: No data
Output $/M: $1.10

vs boards won of 29 shared

Claude Opus 4.1 or Qwen3 Next 80B A3B Instruct: which to pick

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

Pick Claude Opus 4.1 for work measured by LMArena Text: math or LMArena Text: mathematical work, where it leads.

Model AClaude Opus 4.1AnthropicNot benchmarked1 independent benchmarkNo cost per solved task Model BQwen3 Next 80B A3B InstructQwenNot benchmarkedNo coding benchmarkNo cost per solved task

294412

Shared results: 29
Claude Opus 4.1 only: 44
Qwen3 Next 80B A3B Instruct only: 12
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.

Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
Claude Opus 4.1
Claude Opus 4.1 leads, 22.8 against 9.6.
Same board, both measured
Reasoning
GPQA Diamond
No call
Only Claude Opus 4.1 has a GPQA Diamond result, 76.3%.
Directional only
Math
AIME
No call
Only Claude Opus 4.1 has a AIME result, 78.2%.
Directional only
Knowledge
MMLU Pro
No call
Only Claude Opus 4.1 has a MMLU Pro result, 87.9%.
Directional only
Web design
Design Arena: websites
No call
Only Claude Opus 4.1 has a Design Arena: websites result, 1176.
Directional only
Long documents
Listed context window
Qwen3 Next 80B A3B Instruct
Qwen3 Next 80B A3B Instruct takes 262K tokens against 200K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3 Next 80B A3B Instruct
Claude Opus 4.1 $0.052, Qwen3 Next 80B A3B Instruct $0.0006 per turn.
List prices

At a glance

Coding index: Claude Opus 4.1 not benchmarked, Qwen3 Next 80B A3B Instruct not benchmarked.
Widest category: Intelligence, 13.2 points apart on average over 1 shared benchmark.
Widest single gap: AA Intelligence Index: Claude Opus 4.1 22.8 against Qwen3 Next 80B A3B Instruct 9.6, 13.2 points apart on a 0 to 100 scale.
Output price: Claude Opus 4.1 $75.00 against Qwen3 Next 80B A3B Instruct $1.10 per million output tokens, 68.2x apart.
Context window: Claude Opus 4.1 takes 200K tokens, Qwen3 Next 80B A3B Instruct 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
Category	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct
Coding	2	0
Intelligence	1	0
Reasoning	3	0
Math	0	2
Knowledge	0	4
General	13	4
All shared boards	19	10

CodingLike-for-likeSix of these boards feed the Vibe Coding Index20

Coding benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
LMArena WebDev	1390	Not measured	Only Claude Opus 4.1 measured
LiveCodeBench (Vals AI)	66.5%	Not measured	Only Claude Opus 4.1 measured
LiveCodeBench (Artificial Analysis run)	Not measured	78.4%	Only Qwen3 Next 80B A3B Instruct measured
Terminal-Bench Hard (Artificial Analysis run)	Not measured	9.8%	Only Qwen3 Next 80B A3B Instruct measured
Terminal-Bench	38.0%	Not measured	Only Claude Opus 4.1 measured
WeirdML	45.9%	Not measured	Only Claude Opus 4.1 measured
Cybench	42.0%	Not measured	Only Claude Opus 4.1 measured
LMArena Text: coding	1479	1440	Claude Opus 4.1
LMArena Text: software and IT	1456	1447	Claude Opus 4.1
LMArena WebDev: HTML	1399	Not measured	Only Claude Opus 4.1 measured
SciCode	4.6%	Not measured	Only Claude Opus 4.1 measured
Neither model has a result on the other 28 boards here

IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10

Intelligence benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
AA Intelligence Index	22.8	9.6	Claude Opus 4.1
Epoch Capabilities Index	144.1	Not measured	Only Claude Opus 4.1 measured

Agentic workDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared

Agentic work benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
τ²-Bench Telecom	Not measured	41.5%	Only Qwen3 Next 80B A3B Instruct measured
METR time horizons	66.8%	Not measured	Only Claude Opus 4.1 measured
GDPval	43.6%	Not measured	Only Claude Opus 4.1 measured
DeepResearch Bench	48.3%	Not measured	Only Claude Opus 4.1 measured
Neither model has a result on the other 37 boards here

ReasoningLike-for-likePublic boards, shown as published, kept out of the index30

Reasoning benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
GPQA Diamond	76.3%	Not measured	Only Claude Opus 4.1 measured
MMMU Pro (Vals AI)	77.5%	Not measured	Only Claude Opus 4.1 measured
GPQA Diamond (Artificial Analysis run)	Not measured	75.9%	Only Qwen3 Next 80B A3B Instruct measured
Humanity's Last Exam (Artificial Analysis run)	Not measured	12.6%	Only Qwen3 Next 80B A3B Instruct measured
GPQA Diamond (Epoch AI run)	77.3%	Not measured	Only Claude Opus 4.1 measured
SimpleBench	60.0%	Not measured	Only Claude Opus 4.1 measured
Mystery game puzzles	21.0%	Not measured	Only Claude Opus 4.1 measured
EBR-bench	7.9%	Not measured	Only Claude Opus 4.1 measured
VPCT	35.0%	Not measured	Only Claude Opus 4.1 measured
LMArena Text: hard prompts	1442	1428	Claude Opus 4.1
LMArena Text: expert	1438	1417	Claude Opus 4.1
LMArena Text: hard prompts in English	1451	1431	Claude Opus 4.1
Kagi LLM Benchmark	Not measured	66.7%	Only Qwen3 Next 80B A3B Instruct measured
Neither model has a result on the other 9 boards here

MathLike-for-likePublic boards, shown as published, kept out of the index02

Math benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
AIME	78.2%	Not measured	Only Claude Opus 4.1 measured
MATH 500 (Vals AI)	95.4%	Not measured	Only Claude Opus 4.1 measured
MGSM (Vals AI)	94.4%	Not measured	Only Claude Opus 4.1 measured
AA Math Index	Not measured	84.3	Only Qwen3 Next 80B A3B Instruct measured
AIME 2025 (Artificial Analysis run)	Not measured	84.3%	Only Qwen3 Next 80B A3B Instruct measured
OTIS Mock AIME	68.9%	Not measured	Only Claude Opus 4.1 measured
FrontierMath, tiers 1 to 3	12.6%	Not measured	Only Claude Opus 4.1 measured
FrontierMath, tier 4	2.4%	Not measured	Only Claude Opus 4.1 measured
LMArena Text: math	1431	1440	Qwen3 Next 80B A3B Instruct
LMArena Text: mathematical work	1434	1434	Qwen3 Next 80B A3B Instruct
Neither model has a result on the other 3 boards here

KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04

Knowledge benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
MMLU Pro	87.9%	Not measured	Only Claude Opus 4.1 measured
LegalBench (Vals AI)	83.5%	Not measured	Only Claude Opus 4.1 measured
TaxEval (Vals AI)	73.7%	Not measured	Only Claude Opus 4.1 measured
MortgageTax (Vals AI)	61.1%	Not measured	Only Claude Opus 4.1 measured
MedQA (Vals AI)	93.6%	Not measured	Only Claude Opus 4.1 measured
MedCode (Vals AI)	47.2%	Not measured	Only Claude Opus 4.1 measured
MMLU Pro (Artificial Analysis run)	Not measured	82.4%	Only Qwen3 Next 80B A3B Instruct measured
LMArena Text: science	1422	1434	Qwen3 Next 80B A3B Instruct
LMArena Text: medicine and healthcare	1416	1455	Qwen3 Next 80B A3B Instruct
LMArena Text: legal and government	1421	1431	Qwen3 Next 80B A3B Instruct
LMArena Text: business and finance	1406	1422	Qwen3 Next 80B A3B Instruct
FACTS Benchmark Suite	40.4%	Not measured	Only Claude Opus 4.1 measured
Neither model has a result on the other 6 boards here

Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared

Web design benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
Design Arena: websites	1176	Not measured	Only Claude Opus 4.1 measured
Design Arena: UI components	1162	Not measured	Only Claude Opus 4.1 measured
Design Arena: game dev	1171	Not measured	Only Claude Opus 4.1 measured
Design Arena: data viz	1166	Not measured	Only Claude Opus 4.1 measured
Design Arena: 3D	1152	Not measured	Only Claude Opus 4.1 measured
Design Arena: all code categories	1170	Not measured	Only Claude Opus 4.1 measured
Design Arena: SVG	1152	Not measured	Only Claude Opus 4.1 measured
Design Arena: ASCII art	1167	Not measured	Only Claude Opus 4.1 measured
Neither model has a result on the other 1 board here

GeneralLike-for-likePublic boards, shown as published, kept out of the index134

General benchmarks for Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	Leader
SAGE (Vals AI)	31.4%	Not measured	Only Claude Opus 4.1 measured
MedScribe (Vals AI)	73.9%	Not measured	Only Claude Opus 4.1 measured
IFBench	Not measured	60.7%	Only Qwen3 Next 80B A3B Instruct measured
Long context reasoning (AA-LCR)	Not measured	63.7%	Only Qwen3 Next 80B A3B Instruct measured
DTBench	80.0%	Not measured	Only Claude Opus 4.1 measured
LMCA	37.1%	Not measured	Only Claude Opus 4.1 measured
Fiction.LiveBench	Not measured	55.6%	Only Qwen3 Next 80B A3B Instruct measured
Creative writing (Lech Mazur)	84.7%	Not measured	Only Claude Opus 4.1 measured
LMArena Text	1419	1417	Claude Opus 4.1
LMArena Text: instruction following	1435	1388	Claude Opus 4.1
LMArena Text: creative writing	1412	1333	Claude Opus 4.1
LMArena Text: English	1433	1421	Claude Opus 4.1
LMArena Text: non-English	1405	1407	Qwen3 Next 80B A3B Instruct
LMArena Text: Chinese	1427	1460	Qwen3 Next 80B A3B Instruct
LMArena Text: German	1413	1416	Qwen3 Next 80B A3B Instruct
LMArena Text: Japanese	1377	1395	Qwen3 Next 80B A3B Instruct
LMArena Text: Korean	1381	1363	Claude Opus 4.1
LMArena Text: French	1433	1414	Claude Opus 4.1
LMArena Text: Spanish	1448	1435	Claude Opus 4.1
LMArena Text: Russian	1422	1404	Claude Opus 4.1
LMArena Text: Polish	1413	1398	Claude Opus 4.1
LMArena Text: multi-turn	1444	1416	Claude Opus 4.1
LMArena Text: longer queries	1455	1402	Claude Opus 4.1
LMArena Text: writing and language	1418	1355	Claude Opus 4.1
LMArena Text: entertainment and media	1398	1349	Claude Opus 4.1
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 Claude Opus 4.1 and Qwen3 Next 80B A3B Instruct
Benchmark	Claude Opus 4.1	Qwen3 Next 80B A3B Instruct	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 4.1$0.052Fits in one request

Qwen3 Next 80B A3B Instruct$0.0006Fits in one request

Qwen3 Next 80B A3B Instruct costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.1$0.975Fits in one request

Qwen3 Next 80B A3B Instruct$0.0083Fits in one request

Qwen3 Next 80B A3B Instruct costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.1$3.75Exceeds the context window

Qwen3 Next 80B A3B Instruct$0.031Fits in one request

Qwen3 Next 80B A3B Instruct 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 4.1 and Qwen3 Next 80B A3B Instruct
Specification	Anthropic Claude Opus 4.1	Qwen3 Next 80B A3B Instruct
Maker	Anthropic	Qwen
Weights	No public weights listed	Open weights
Released	August 5, 2025	September 11, 2025
Context window	200K	262K
Input $/Mtok	$15.00	$0.10
Output $/Mtok	$75.00	$1.10
Coding index	Not benchmarked	Not benchmarked
Independent measurements behind it	1	0
Cost per solved task	Not computable	Not computable
Source	OpenRouter listing	OpenRouter listing

Questions

Is Claude Opus 4.1 better than Qwen3 Next 80B A3B Instruct for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Claude Opus 4.1 for work measured by LMArena Text: math or LMArena Text: mathematical work, where it leads.

Which is cheaper, Claude Opus 4.1 or Qwen3 Next 80B A3B Instruct?

Claude Opus 4.1 costs $15.00 per million input tokens and $75.00 per million output tokens; Qwen3 Next 80B A3B Instruct costs $0.10 and $1.10. Cost per solved task is known for neither of them.

Which has the bigger context window, Claude Opus 4.1 or Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct, with 262K tokens against 200K.

How many benchmarks is the Claude Opus 4.1 vs Qwen3 Next 80B A3B Instruct comparison based on?

29 benchmarks have a result for both models as of October 22, 2026. Claude Opus 4.1's coding index rests on 1 independent benchmark and Qwen3 Next 80B A3B Instruct's on 0. Where only one model has a result, the page says so instead of naming a winner.

Claude Opus 4.1 or Qwen3 Next 80B A3B Instruct: which to pick

Which one for your work

Coding

Intelligence

Reasoning

Math

Knowledge

Web design

Long documents

Everyday cost

At a glance

Benchmark by benchmark

What each workload costs

Chat turn

Repository review

Agent loop

Specification differences

Questions

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