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o3 Mini vs Qwen-Plus

Updated October 21, 2026. 28 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 Qwen-Plus
o3 MiniOpenAI
Coding
No data
Overall
12.5
Output $/M
$4.40
20
Qwen-PlusQwen
Coding
No data
Overall
No data
Output $/M
$0.78
8
vs boards won of 28 shared

Decision reading

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

o3 Mini has the edge where what matters is LMArena Text: science or LMArena Text: medicine and healthcare, where it leads.

Model Ao3 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved taskModel BQwen-PlusQwenNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
28
o3 Mini only
42
Qwen-Plus only
0
Like-for-like categories
5 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 not benchmarked, Qwen-Plus not benchmarked.
Widest category
Math, 28.3 points apart on average over 4 shared benchmarks.
Widest single gap
OTIS Mock AIME: o3 Mini 76.9% against Qwen-Plus 17.8%, 59.2 points apart on a 0 to 100 scale.
Output price
o3 Mini $4.40 against Qwen-Plus $0.78 per million output tokens, 5.6x apart.
Context window
o3 Mini takes 200K tokens, Qwen-Plus 1M.

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 MiniBarsQwen-PlusTies
Coding20
Reasoning40
Math40
Knowledge13
General95
All shared boards208
CodingLike-for-likeSix of these boards feed the Vibe Coding Index20
Coding benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
Aider polyglot60.4%Not measuredOnly o3 Mini measured
SWE-bench Verified42.4%Not measuredOnly o3 Mini measured
SWE-bench Lite32.3%Not measuredOnly o3 Mini measured
LiveCodeBench (Vals AI)71.5%Not measuredOnly o3 Mini measured
LiveCodeBench (Artificial Analysis run)73.4%Not measuredOnly o3 Mini measured
SciCode42.8%Not measuredOnly o3 Mini measured
Terminal-Bench Hard (Artificial Analysis run)6.8%Not measuredOnly o3 Mini measured
GSO-Bench1.3%Not measuredOnly o3 Mini measured
WeirdML43.7%Not measuredOnly o3 Mini measured
Cybench22.5%Not measuredOnly o3 Mini measured
LMArena Text: coding13781328o3 Mini
LMArena Text: software and IT13641343o3 Mini
Neither model has a result on the other 26 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Intelligence benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
AA Intelligence Index12.5Not measuredOnly o3 Mini measured
Epoch Capabilities Index140.2Not measuredOnly o3 Mini measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
Agentic work benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
τ²-Bench Telecom31.3%Not measuredOnly o3 Mini measured
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
Reasoning benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
GPQA Diamond75.5%Not measuredOnly o3 Mini measured
GPQA Diamond (Artificial Analysis run)77.3%Not measuredOnly o3 Mini measured
Humanity's Last Exam (Artificial Analysis run)12.0%Not measuredOnly o3 Mini measured
GPQA Diamond (Epoch AI run)77.0%48.1%o3 Mini
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 prompts13651317o3 Mini
LMArena Text: expert13641328o3 Mini
LMArena Text: hard prompts in English13751333o3 Mini
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
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
OTIS Mock AIME76.9%17.8%o3 Mini
FrontierMath, tiers 1 to 318.6%Not measuredOnly o3 Mini measured
FrontierMath, tier 40.0%Not measuredOnly o3 Mini measured
MATH level 596.5%65.3%o3 Mini
LMArena Text: math13961326o3 Mini
LMArena Text: mathematical work13991332o3 Mini
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index13
Knowledge benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
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%Not measuredOnly o3 Mini measured
SimpleQA Verified15.3%Not measuredOnly o3 Mini measured
LMArena Text: science13391352Qwen-Plus
LMArena Text: medicine and healthcare13301350Qwen-Plus
LMArena Text: legal and government13281349Qwen-Plus
LMArena Text: business and finance13131303o3 Mini
Neither model has a result on the other 6 boards here
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
Neither model has a result on 9 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index95
General benchmarks for o3 Mini and Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
IFBench67.1%Not measuredOnly o3 Mini measured
Long context reasoning (AA-LCR)43.0%Not measuredOnly o3 Mini measured
DTBench68.8%81.1%Qwen-Plus
LMCA19.0%24.0%Qwen-Plus
Fiction.LiveBench50.0%Not measuredOnly o3 Mini measured
Creative writing (Lech Mazur)61.7%Not measuredOnly o3 Mini measured
LMArena Text13371326o3 Mini
LMArena Text: instruction following13371303o3 Mini
LMArena Text: creative writing12861292Qwen-Plus
LMArena Text: English13511339o3 Mini
LMArena Text: non-English13191310o3 Mini
LMArena Text: Chinese13791347o3 Mini
LMArena Text: German1303Not measuredOnly o3 Mini measured
LMArena Text: Japanese12861251o3 Mini
LMArena Text: Korean1313Not measuredOnly o3 Mini measured
LMArena Text: French1334Not measuredOnly o3 Mini measured
LMArena Text: Spanish1321Not measuredOnly o3 Mini measured
LMArena Text: Russian13041323Qwen-Plus
LMArena Text: Polish1294Not measuredOnly o3 Mini measured
LMArena Text: multi-turn13201336Qwen-Plus
LMArena Text: longer queries13431324o3 Mini
LMArena Text: writing and language13131296o3 Mini
LMArena Text: entertainment and media12831270o3 Mini
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 Qwen-Plus
Benchmarko3 MiniQwen-PlusLeader
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
Qwen-Plus$0.0006Fits in one request

Qwen-Plus costs less

Repository review

50K input + 3K output tokens

o3 Mini$0.068Fits in one request
Qwen-Plus$0.015Fits in one request

Qwen-Plus costs less

Agent loop

200K input + 10K output tokens

o3 Mini$0.264Exceeds the context window
Qwen-Plus$0.060Fits in one request

Qwen-Plus 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 Qwen-Plus
SpecificationOpenAI o3 MiniQwen-Plus
MakerOpenAIQwen
WeightsNo public weights listedNo public weights listed
ReleasedJanuary 31, 2025February 1, 2025
Context window200K1M
Input $/Mtok$1.10$0.26
Output $/Mtok$4.40$0.78
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is o3 Mini better than Qwen-Plus for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. o3 Mini has the edge where what matters is LMArena Text: science or LMArena Text: medicine and healthcare, where it leads.

Which is cheaper, o3 Mini or Qwen-Plus?

o3 Mini costs $1.10 per million input tokens and $4.40 per million output tokens; Qwen-Plus costs $0.26 and $0.78. Cost per solved task is known for neither of them.

Which has the bigger context window, o3 Mini or Qwen-Plus?

Qwen-Plus, with 1M tokens against 200K.

How many benchmarks is the o3 Mini vs Qwen-Plus comparison based on?

28 benchmarks have a result for both models as of October 21, 2026. o3 Mini's coding index rests on 0 independent benchmarks and Qwen-Plus's on 0. Where only one model has a result, the page says so instead of naming a winner.

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