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gpt-oss-120b vs Qwen3 Coder 480B A35B

Qwen3 Coder 480B A35B leads gpt-oss-120b on the Artificial Analysis Intelligence Index, 11.9 to 11.6, and gpt-oss-120b costs 3.0x less per output token ($0.50 vs $1.50 per million). Updated October 21, 2026; 49 benchmarks have a result for both.

Replace gpt-oss-120b Replace Qwen3 Coder 480B A35B
gpt-oss-120bOpenAI
Coding
No data
Overall
50.0
Output $/M
$0.50
27
Qwen3 Coder 480B A35BQwen
Coding
No data
Overall
No data
Output $/M
$1.50
22
vs boards won of 49 shared

gpt-oss-120b or Qwen3 Coder 480B A35B: 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 3.0x cheaper ($0.50 vs $1.50 per million) and work measured by SWE-bench Verified or Terminal-Bench, where it leads.

Model Agpt-oss-120bOpenAINot benchmarked1 independent benchmark$0.51 per solved taskModel BQwen3 Coder 480B A35BQwenNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
49
gpt-oss-120b only
32
Qwen3 Coder 480B A35B only
4
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
gpt-oss-120b not benchmarked, Qwen3 Coder 480B A35B not benchmarked.
Widest category
Math, 28.9 points apart on average over 4 shared benchmarks.
Widest single gap
AIME 2025 (Artificial Analysis run): gpt-oss-120b 93.4% against Qwen3 Coder 480B A35B 39.3%, 54.1 points apart on a 0 to 100 scale.
Output price
gpt-oss-120b $0.50 against Qwen3 Coder 480B A35B $1.50 per million output tokens, 3.0x apart.
Context window
gpt-oss-120b takes 131K 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
Categorygpt-oss-120bBarsQwen3 Coder 480B A35BTies
Coding44
Intelligence01
Agentic work10
Reasoning42
Math40
Knowledge41
Web design05
General109
All shared boards2722
CodingLike-for-likeSix of these boards feed the Vibe Coding Index44
Coding benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
Aider polyglot41.8%Not measuredOnly gpt-oss-120b measured
SWE-bench Verified26.0%69.6%Qwen3 Coder 480B A35B
LMArena WebDevNot measured1275Only Qwen3 Coder 480B A35B 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%58.5%gpt-oss-120b
SciCode34.0%Not measuredOnly gpt-oss-120b measured
Terminal-Bench Hard (Artificial Analysis run)23.5%18.9%gpt-oss-120b
Terminal-Bench18.7%27.2%Qwen3 Coder 480B A35B
GSO-BenchNot measured4.9%Only Qwen3 Coder 480B A35B measured
WeirdML48.2%41.2%gpt-oss-120b
ALE-Bench575.6461.4gpt-oss-120b
LMArena Text: coding13791412Qwen3 Coder 480B A35B
LMArena Text: software and IT13871393Qwen3 Coder 480B A35B
LMArena WebDev: ReactNot measured1257Only Qwen3 Coder 480B A35B measured
LMArena WebDev: HTMLNot measured1287Only Qwen3 Coder 480B A35B measured
SciCode7.7%Not measuredOnly gpt-oss-120b measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
AA Intelligence Index11.611.9Qwen3 Coder 480B A35B
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 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
AA Agentic Index3.7Not measuredOnly gpt-oss-120b measured
τ²-Bench Telecom65.8%43.6%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 index42
Reasoning benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
GPQA Diamond78.5%Not measuredOnly gpt-oss-120b measured
GPQA Diamond (Artificial Analysis run)78.2%61.8%gpt-oss-120b
Humanity's Last Exam (Artificial Analysis run)19.6%4.5%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 prompts13641372Qwen3 Coder 480B A35B
LMArena Text: expert13561338gpt-oss-120b
LMArena Text: hard prompts in English13681380Qwen3 Coder 480B A35B
Kagi LLM Benchmark58.6%49.5%gpt-oss-120b
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
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 Index93.439.3gpt-oss-120b
AIME 2025 (Artificial Analysis run)93.4%39.3%gpt-oss-120b
OTIS Mock AIME88.9%Not measuredOnly gpt-oss-120b measured
LMArena Text: math13891365gpt-oss-120b
LMArena Text: mathematical work13861367gpt-oss-120b
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index41
Knowledge benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
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%78.8%gpt-oss-120b
LMArena Text: science13821347gpt-oss-120b
LMArena Text: medicine and healthcare13881347gpt-oss-120b
LMArena Text: legal and government13551358Qwen3 Coder 480B A35B
LMArena Text: business and finance13591343gpt-oss-120b
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index05
Web design benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
Design Arena: websites9681159Qwen3 Coder 480B A35B
Design Arena: UI components9271113Qwen3 Coder 480B A35B
Design Arena: game dev9921099Qwen3 Coder 480B A35B
Design Arena: data viz9871084Qwen3 Coder 480B A35B
Design Arena: 3D901Not measuredOnly gpt-oss-120b measured
Design Arena: all code categories9631143Qwen3 Coder 480B A35B
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index109
General benchmarks for gpt-oss-120b and Qwen3 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 Coder 480B A35BLeader
IFBench69.0%40.5%gpt-oss-120b
Long context reasoning (AA-LCR)52.0%45.7%gpt-oss-120b
DTBench76.3%Not measuredOnly gpt-oss-120b measured
LMCA22.1%Not measuredOnly gpt-oss-120b measured
Fiction.LiveBench44.4%Not measuredOnly gpt-oss-120b measured
Creative writing (Lech Mazur)77.1%Not measuredOnly gpt-oss-120b measured
Surface Evolver Bench25.0%Not measuredOnly gpt-oss-120b measured
LMArena Text13661357gpt-oss-120b
LMArena Text: instruction following13181355Qwen3 Coder 480B A35B
LMArena Text: creative writing12741333Qwen3 Coder 480B A35B
LMArena Text: English13751359gpt-oss-120b
LMArena Text: non-English13511346gpt-oss-120b
LMArena Text: Chinese13851357gpt-oss-120b
LMArena Text: German13531325gpt-oss-120b
LMArena Text: Japanese13311311gpt-oss-120b
LMArena Text: Korean12821305Qwen3 Coder 480B A35B
LMArena Text: French13701398Qwen3 Coder 480B A35B
LMArena Text: Spanish13891360gpt-oss-120b
LMArena Text: Russian13431366Qwen3 Coder 480B A35B
LMArena Text: Polish13531344gpt-oss-120b
LMArena Text: multi-turn13401366Qwen3 Coder 480B A35B
LMArena Text: longer queries13191378Qwen3 Coder 480B A35B
LMArena Text: writing and language13061340Qwen3 Coder 480B A35B
LMArena Text: entertainment and media12921317Qwen3 Coder 480B A35B
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 Coder 480B A35B
Benchmarkgpt-oss-120bQwen3 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

gpt-oss-120b$0.0003Fits in one request
Qwen3 Coder 480B A35B$0.0010Fits in one request

gpt-oss-120b costs less

Repository review

50K input + 3K output tokens

gpt-oss-120b$0.0065Fits in one request
Qwen3 Coder 480B A35B$0.019Fits in one request

gpt-oss-120b costs less

Agent loop

200K input + 10K output tokens

gpt-oss-120b$0.025Exceeds the context window
Qwen3 Coder 480B A35B$0.075Fits 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 Coder 480B A35B
SpecificationOpenAI gpt-oss-120bQwen3 Coder 480B A35B
MakerOpenAIQwen
WeightsOpen weightsOpen weights
ReleasedAugust 5, 2025July 23, 2025
Context window131K262K
Input $/Mtok$0.10$0.30
Output $/Mtok$0.50$1.50
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it11
Cost per solved task$0.51Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is gpt-oss-120b better than Qwen3 Coder 480B A35B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick gpt-oss-120b for output tokens 3.0x cheaper ($0.50 vs $1.50 per million) and work measured by SWE-bench Verified or Terminal-Bench, where it leads.

Which is cheaper, gpt-oss-120b or Qwen3 Coder 480B A35B?

gpt-oss-120b costs $0.10 per million input tokens and $0.50 per million output tokens; Qwen3 Coder 480B A35B costs $0.30 and $1.50. Cost per solved task is known for gpt-oss-120b only.

Which has the bigger context window, gpt-oss-120b or Qwen3 Coder 480B A35B?

Qwen3 Coder 480B A35B, with 262K tokens against 131K.

How many benchmarks is the gpt-oss-120b vs Qwen3 Coder 480B A35B comparison based on?

49 benchmarks have a result for both models as of October 21, 2026. gpt-oss-120b's coding index rests on 1 independent benchmark and Qwen3 Coder 480B A35B's on 1. Where only one model has a result, the page says so instead of naming a winner.

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