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gpt-oss-120b vs Qwen3 Next 80B A3B Instruct

gpt-oss-120b leads Qwen3 Next 80B A3B Instruct on the Artificial Analysis Intelligence Index, 11.6 to 9.6, and gpt-oss-120b costs 2.2x less per output token ($0.50 vs $1.10 per million). Updated October 22, 2026; 41 benchmarks have a result for both.

Replace gpt-oss-120b Replace Qwen3 Next 80B A3B Instruct
gpt-oss-120bOpenAI
Coding
No data
Overall
50.0
Output $/M
$0.50
9
Qwen3 Next 80B A3B InstructQwen
Coding
No data
Overall
No data
Output $/M
$1.10
32
vs boards won of 41 shared

gpt-oss-120b 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 gpt-oss-120b for output tokens 2.2x cheaper ($0.50 vs $1.10 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model Agpt-oss-120bOpenAINot benchmarked1 independent benchmark$0.51 per solved taskModel BQwen3 Next 80B A3B InstructQwenNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
41
gpt-oss-120b only
40
Qwen3 Next 80B A3B Instruct only
0
Like-for-like categories
7 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
gpt-oss-120b not benchmarked, Qwen3 Next 80B A3B Instruct not benchmarked.
Widest category
Agentic work, 24.3 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: gpt-oss-120b 65.8% against Qwen3 Next 80B A3B Instruct 41.5%, 24.3 points apart on a 0 to 100 scale.
Output price
gpt-oss-120b $0.50 against Qwen3 Next 80B A3B Instruct $1.10 per million output tokens, 2.2x apart.
Context window
gpt-oss-120b takes 131K 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
Categorygpt-oss-120bBarsQwen3 Next 80B A3B InstructTies
Coding22
Intelligence10
Agentic work10
Reasoning24
Math22
Knowledge05
General119
All shared boards932
CodingLike-for-likeSix of these boards feed the Vibe Coding Index22
Coding benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
Aider polyglot41.8%Not measuredOnly gpt-oss-120b measured
SWE-bench Verified26.0%Not measuredOnly gpt-oss-120b measured
AA Coding Index30.4Not measuredOnly gpt-oss-120b measured
LiveCodeBench (Vals AI)83.2%Not measuredOnly gpt-oss-120b measured
SWE-bench Verified (Vals AI)33.6%Not measuredOnly gpt-oss-120b measured
LiveCodeBench (Artificial Analysis run)87.8%78.4%gpt-oss-120b
SciCode34.0%Not measuredOnly gpt-oss-120b measured
Terminal-Bench Hard (Artificial Analysis run)23.5%9.8%gpt-oss-120b
Terminal-Bench18.7%Not measuredOnly gpt-oss-120b measured
WeirdML48.2%Not measuredOnly gpt-oss-120b measured
ALE-Bench575.6Not measuredOnly gpt-oss-120b measured
LMArena Text: coding13791440Qwen3 Next 80B A3B Instruct
LMArena Text: software and IT13871447Qwen3 Next 80B A3B Instruct
SciCode7.7%Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 25 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
AA Intelligence Index11.69.6gpt-oss-120b
Epoch Capabilities Index139.8Not measuredOnly gpt-oss-120b measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
AA Agentic Index3.7Not measuredOnly gpt-oss-120b measured
τ²-Bench Telecom65.8%41.5%gpt-oss-120b
APEX-Agents4.4%Not measuredOnly gpt-oss-120b measured
METR time horizons56.6%Not measuredOnly gpt-oss-120b measured
Vending-Bench 2-$22Not measuredOnly gpt-oss-120b measured
BrowseComp-Plus67.0%Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index24
Reasoning benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
GPQA Diamond78.5%Not measuredOnly gpt-oss-120b measured
GPQA Diamond (Artificial Analysis run)78.2%75.9%gpt-oss-120b
Humanity's Last Exam (Artificial Analysis run)19.6%12.6%gpt-oss-120b
GPQA Diamond (Epoch AI run)75.8%Not measuredOnly gpt-oss-120b measured
SimpleBench22.1%Not measuredOnly gpt-oss-120b measured
Mystery game puzzles2.0%Not measuredOnly gpt-oss-120b measured
LMArena Text: hard prompts13641428Qwen3 Next 80B A3B Instruct
LMArena Text: expert13561417Qwen3 Next 80B A3B Instruct
LMArena Text: hard prompts in English13681431Qwen3 Next 80B A3B Instruct
Kagi LLM Benchmark58.6%66.7%Qwen3 Next 80B A3B Instruct
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index22
Math benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
AIME92.6%Not measuredOnly gpt-oss-120b measured
MATH 500 (Vals AI)94.8%Not measuredOnly gpt-oss-120b measured
MGSM (Vals AI)92.0%Not measuredOnly gpt-oss-120b measured
AA Math Index93.484.3gpt-oss-120b
AIME 2025 (Artificial Analysis run)93.4%84.3%gpt-oss-120b
OTIS Mock AIME88.9%Not measuredOnly gpt-oss-120b measured
LMArena Text: math13891440Qwen3 Next 80B A3B Instruct
LMArena Text: mathematical work13861434Qwen3 Next 80B A3B Instruct
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index05
Knowledge benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
MMLU Pro79.2%Not measuredOnly gpt-oss-120b measured
LegalBench (Vals AI)75.9%Not measuredOnly gpt-oss-120b measured
CaseLaw (Vals AI)48.8%Not measuredOnly gpt-oss-120b measured
CorpFin (Vals AI)58.2%Not measuredOnly gpt-oss-120b measured
TaxEval (Vals AI)71.6%Not measuredOnly gpt-oss-120b measured
MedQA (Vals AI)91.4%Not measuredOnly gpt-oss-120b measured
MMLU Pro (Artificial Analysis run)80.8%82.4%Qwen3 Next 80B A3B Instruct
LMArena Text: science13821434Qwen3 Next 80B A3B Instruct
LMArena Text: medicine and healthcare13881455Qwen3 Next 80B A3B Instruct
LMArena Text: legal and government13551431Qwen3 Next 80B A3B Instruct
LMArena Text: business and finance13591422Qwen3 Next 80B A3B Instruct
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 gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
Design Arena: websites967Not measuredOnly gpt-oss-120b measured
Design Arena: UI components924Not measuredOnly gpt-oss-120b measured
Design Arena: game dev992Not measuredOnly gpt-oss-120b measured
Design Arena: data viz987Not measuredOnly gpt-oss-120b measured
Design Arena: 3D901Not measuredOnly gpt-oss-120b measured
Design Arena: all code categories962Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index119
General benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
IFBench69.0%60.7%gpt-oss-120b
Long context reasoning (AA-LCR)52.0%63.7%Qwen3 Next 80B A3B Instruct
DTBench76.3%Not measuredOnly gpt-oss-120b measured
LMCA22.1%Not measuredOnly gpt-oss-120b measured
Fiction.LiveBench44.4%55.6%Qwen3 Next 80B A3B Instruct
Creative writing (Lech Mazur)77.1%Not measuredOnly gpt-oss-120b measured
Surface Evolver Bench25.0%Not measuredOnly gpt-oss-120b measured
LMArena Text13661417Qwen3 Next 80B A3B Instruct
LMArena Text: instruction following13181388Qwen3 Next 80B A3B Instruct
LMArena Text: creative writing12741333Qwen3 Next 80B A3B Instruct
LMArena Text: English13751421Qwen3 Next 80B A3B Instruct
LMArena Text: non-English13511407Qwen3 Next 80B A3B Instruct
LMArena Text: Chinese13851460Qwen3 Next 80B A3B Instruct
LMArena Text: German13531416Qwen3 Next 80B A3B Instruct
LMArena Text: Japanese13311395Qwen3 Next 80B A3B Instruct
LMArena Text: Korean12821363Qwen3 Next 80B A3B Instruct
LMArena Text: French13701414Qwen3 Next 80B A3B Instruct
LMArena Text: Spanish13891435Qwen3 Next 80B A3B Instruct
LMArena Text: Russian13431404Qwen3 Next 80B A3B Instruct
LMArena Text: Polish13531398Qwen3 Next 80B A3B Instruct
LMArena Text: multi-turn13401416Qwen3 Next 80B A3B Instruct
LMArena Text: longer queries13191402Qwen3 Next 80B A3B Instruct
LMArena Text: writing and language13061355Qwen3 Next 80B A3B Instruct
LMArena Text: entertainment and media12921349Qwen3 Next 80B A3B Instruct
Neither model has a result on the other 22 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for gpt-oss-120b and Qwen3 Next 80B A3B Instruct
Benchmarkgpt-oss-120bQwen3 Next 80B A3B InstructLeader
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

gpt-oss-120b$0.0003Fits in one request
Qwen3 Next 80B A3B Instruct$0.0006Fits in one request

gpt-oss-120b costs less

Repository review

50K input + 3K output tokens

gpt-oss-120b$0.0065Fits in one request
Qwen3 Next 80B A3B Instruct$0.0083Fits in one request

gpt-oss-120b costs less

Agent loop

200K input + 10K output tokens

gpt-oss-120b$0.025Exceeds the context window
Qwen3 Next 80B A3B Instruct$0.031Fits in one request

gpt-oss-120b 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 gpt-oss-120b and Qwen3 Next 80B A3B Instruct
SpecificationOpenAI gpt-oss-120bQwen3 Next 80B A3B Instruct
MakerOpenAIQwen
WeightsOpen weightsOpen weights
ReleasedAugust 5, 2025September 11, 2025
Context window131K262K
Input $/Mtok$0.10$0.10
Output $/Mtok$0.50$1.10
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved task$0.51Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is gpt-oss-120b 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 gpt-oss-120b for output tokens 2.2x cheaper ($0.50 vs $1.10 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, gpt-oss-120b or Qwen3 Next 80B A3B Instruct?

gpt-oss-120b costs $0.10 per million input tokens and $0.50 per million output tokens; Qwen3 Next 80B A3B Instruct costs $0.10 and $1.10. Cost per solved task is known for gpt-oss-120b only.

Which has the bigger context window, gpt-oss-120b or Qwen3 Next 80B A3B Instruct?

Qwen3 Next 80B A3B Instruct, with 262K tokens against 131K.

How many benchmarks is the gpt-oss-120b vs Qwen3 Next 80B A3B Instruct comparison based on?

41 benchmarks have a result for both models as of October 22, 2026. gpt-oss-120b'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.

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