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o3 Mini vs Qwen3 Coder 480B A35B

Updated October 21, 2026. 40 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace o3 Mini Replace Qwen3 Coder 480B A35B
o3 MiniOpenAI
Coding
52.1
Overall
12.5
Output $/M
$4.40
12
Qwen3 Coder 480B A35BQwen
Coding
50.0
Overall
11.9
Output $/M
$1.00
28
vs boards won of 40 shared

Decision reading

Pick o3 Mini for coding: it scores 52.1 on the Vibe Coding Index against 50.0 for Qwen3 Coder 480B A35B.

Pick Qwen3 Coder 480B A35B when output tokens cost 4.4x less, or when the context window is larger, 262K against 200K tokens.

Model Ao3 MiniOpenAI52.1/1002 independent benchmarksNo cost per solved taskModel BQwen3 Coder 480B A35BQwen50.0/1002 independent benchmarksNo cost per solved task
Shared results
40
o3 Mini only
30
Qwen3 Coder 480B A35B only
12
Like-for-like categories
7 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
o3 Mini 52.1 from 2 benchmarks, Qwen3 Coder 480B A35B 50.0 from 2 benchmarks.
Widest category
Agentic work, 12.3 points apart on average over 1 shared benchmark.
Widest single gap
SWE-bench Verified: o3 Mini 42.4% against Qwen3 Coder 480B A35B 69.6%, 27.2 points apart on a 0 to 100 scale.
Output price
o3 Mini $4.40 against Qwen3 Coder 480B A35B $1.00 per million output tokens, 4.4x apart.
Context window
o3 Mini takes 200K 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
Categoryo3 MiniBarsQwen3 Coder 480B A35BTies
Coding25
Intelligence10
Agentic work01
Reasoning32
Math20
Knowledge14
General316
All shared boards1228
CodingLike-for-likeFour of these boards feed the Vibe Coding Index25
Coding benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
Aider polyglot60.4%Not measuredOnly o3 Mini measured
SWE-bench Verified42.4%69.6%Qwen3 Coder 480B A35B
SWE-bench Lite32.3%Not measuredOnly o3 Mini measured
LMArena WebDevNot measured1275Only Qwen3 Coder 480B A35B measured
LiveCodeBench (Vals AI)71.5%Not measuredOnly o3 Mini measured
LiveCodeBench (Artificial Analysis run)73.4%58.5%o3 Mini
SciCode42.8%Not measuredOnly o3 Mini measured
Terminal-Bench Hard (Artificial Analysis run)6.8%18.9%Qwen3 Coder 480B A35B
Terminal-BenchNot measured27.2%Only Qwen3 Coder 480B A35B measured
GSO-Bench1.3%4.9%Qwen3 Coder 480B A35B
WeirdML43.7%41.2%o3 Mini
Cybench22.5%Not measuredOnly o3 Mini measured
ALE-BenchNot measured461.4Only Qwen3 Coder 480B A35B measured
LMArena Text: coding13781412Qwen3 Coder 480B A35B
LMArena Text: software and IT13641393Qwen3 Coder 480B A35B
LMArena WebDev: ReactNot measured1257Only Qwen3 Coder 480B A35B measured
LMArena WebDev: HTMLNot measured1287Only Qwen3 Coder 480B A35B measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
AA Intelligence Index12.511.9o3 Mini
Epoch Capabilities Index140.2Not measuredOnly o3 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
τ²-Bench Telecom31.3%43.6%Qwen3 Coder 480B A35B
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index32
Reasoning benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
GPQA Diamond75.5%Not measuredOnly o3 Mini measured
GPQA Diamond (Artificial Analysis run)77.3%61.8%o3 Mini
Humanity's Last Exam (Artificial Analysis run)12.0%4.5%o3 Mini
GPQA Diamond (Epoch AI run)77.0%Not measuredOnly o3 Mini measured
ARC-AGI34.5%Not measuredOnly o3 Mini measured
ARC-AGI-23.0%Not measuredOnly o3 Mini measured
SimpleBench22.8%Not measuredOnly o3 Mini measured
Chess puzzles15.0%Not measuredOnly o3 Mini measured
Mystery game puzzles7.0%Not measuredOnly o3 Mini measured
LMArena Text: hard prompts13651372Qwen3 Coder 480B A35B
LMArena Text: expert13641338o3 Mini
LMArena Text: hard prompts in English13751380Qwen3 Coder 480B A35B
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
AIME86.5%Not measuredOnly o3 Mini measured
MATH 500 (Vals AI)91.8%Not measuredOnly o3 Mini measured
MGSM (Vals AI)91.3%Not measuredOnly o3 Mini measured
AA Math IndexNot measured39.3Only Qwen3 Coder 480B A35B measured
AIME 2025 (Artificial Analysis run)Not measured39.3%Only Qwen3 Coder 480B A35B measured
OTIS Mock AIME76.9%Not measuredOnly o3 Mini measured
FrontierMath, tiers 1 to 318.6%Not measuredOnly o3 Mini measured
FrontierMath, tier 40.0%Not measuredOnly o3 Mini measured
MATH level 596.5%Not measuredOnly o3 Mini measured
LMArena Text: math13961365o3 Mini
LMArena Text: mathematical work13991367o3 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index14
Knowledge benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
MMLU Pro78.7%Not measuredOnly o3 Mini measured
LegalBench (Vals AI)71.5%Not measuredOnly o3 Mini measured
CorpFin (Vals AI)45.3%Not measuredOnly o3 Mini measured
TaxEval (Vals AI)69.4%Not measuredOnly o3 Mini measured
MedQA (Vals AI)94.8%Not measuredOnly o3 Mini measured
MMLU Pro (Artificial Analysis run)80.2%78.8%o3 Mini
SimpleQA Verified15.3%Not measuredOnly o3 Mini measured
LMArena Text: science13391347Qwen3 Coder 480B A35B
LMArena Text: medicine and healthcare13301347Qwen3 Coder 480B A35B
LMArena Text: legal and government13281358Qwen3 Coder 480B A35B
LMArena Text: business and finance13131343Qwen3 Coder 480B A35B
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
Web design benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
Design Arena: websitesNot measured1159Only Qwen3 Coder 480B A35B measured
Design Arena: UI componentsNot measured1112Only Qwen3 Coder 480B A35B measured
Design Arena: game devNot measured1099Only Qwen3 Coder 480B A35B measured
Design Arena: data vizNot measured1084Only Qwen3 Coder 480B A35B measured
Design Arena: all code categoriesNot measured1143Only Qwen3 Coder 480B A35B measured
Neither model has a result on the other 4 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index316
General benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 Coder 480B A35BLeader
IFBench67.1%40.5%o3 Mini
Long context reasoning (AA-LCR)43.0%45.7%Qwen3 Coder 480B A35B
DTBench68.8%Not measuredOnly o3 Mini measured
LMCA19.0%Not measuredOnly o3 Mini measured
Fiction.LiveBench50.0%Not measuredOnly o3 Mini measured
Creative writing (Lech Mazur)61.7%Not measuredOnly o3 Mini measured
LMArena Text13371357Qwen3 Coder 480B A35B
LMArena Text: instruction following13371355Qwen3 Coder 480B A35B
LMArena Text: creative writing12861333Qwen3 Coder 480B A35B
LMArena Text: English13511359Qwen3 Coder 480B A35B
LMArena Text: non-English13191346Qwen3 Coder 480B A35B
LMArena Text: Chinese13791357o3 Mini
LMArena Text: German13031325Qwen3 Coder 480B A35B
LMArena Text: Japanese12861311Qwen3 Coder 480B A35B
LMArena Text: Korean13131305o3 Mini
LMArena Text: French13341398Qwen3 Coder 480B A35B
LMArena Text: Spanish13211360Qwen3 Coder 480B A35B
LMArena Text: Russian13041366Qwen3 Coder 480B A35B
LMArena Text: Polish12941344Qwen3 Coder 480B A35B
LMArena Text: multi-turn13201366Qwen3 Coder 480B A35B
LMArena Text: longer queries13431378Qwen3 Coder 480B A35B
LMArena Text: writing and language13131340Qwen3 Coder 480B A35B
LMArena Text: entertainment and media12831317Qwen3 Coder 480B A35B
Neither model has a result on the other 23 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for o3 Mini and Qwen3 Coder 480B A35B
Benchmarko3 MiniQwen3 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

o3 Mini$0.0033Fits in one request
Qwen3 Coder 480B A35B$0.0008Fits in one request

Qwen3 Coder 480B A35B costs less

Repository review

50K input + 3K output tokens

o3 Mini$0.068Fits in one request
Qwen3 Coder 480B A35B$0.018Fits in one request

Qwen3 Coder 480B A35B costs less

Agent loop

200K input + 10K output tokens

o3 Mini$0.264Exceeds the context window
Qwen3 Coder 480B A35B$0.070Fits in one request

Qwen3 Coder 480B A35B 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 o3 Mini and Qwen3 Coder 480B A35B
SpecificationOpenAI o3 MiniQwen3 Coder 480B A35B
MakerOpenAIQwen
WeightsNo public weights listedOpen weights
ReleasedJanuary 31, 2025July 23, 2025
Context window200K262K
Input $/Mtok$1.10$0.30
Output $/Mtok$4.40$1.00
Coding index52.150.0
Independent measurements behind it22
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is o3 Mini better than Qwen3 Coder 480B A35B for coding?

Pick o3 Mini for coding: it scores 52.1 on the Vibe Coding Index against 50.0 for Qwen3 Coder 480B A35B. Pick Qwen3 Coder 480B A35B when output tokens cost 4.4x less, or when the context window is larger, 262K against 200K tokens.

Which is cheaper, o3 Mini or Qwen3 Coder 480B A35B?

o3 Mini costs $1.10 per million input tokens and $4.40 per million output tokens; Qwen3 Coder 480B A35B costs $0.30 and $1.00. Cost per solved task is known for neither of them.

Which has the bigger context window, o3 Mini or Qwen3 Coder 480B A35B?

Qwen3 Coder 480B A35B, with 262K tokens against 200K.

How many benchmarks is the o3 Mini vs Qwen3 Coder 480B A35B comparison based on?

40 benchmarks have a result for both models as of October 21, 2026. o3 Mini's coding index rests on 2 independent benchmarks and Qwen3 Coder 480B A35B's on 2. Where only one model has a result, the page says so instead of naming a winner.

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