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GPT-5 Nano vs Qwen3 30B A3B

GPT-5 Nano leads Qwen3 30B A3B on the Artificial Analysis Intelligence Index, 13.0 to 7.6, and GPT-5 Nano costs 1.3x less per output token ($0.40 vs $0.50 per million). Updated October 22, 2026; 50 benchmarks have a result for both.

Replace GPT-5 Nano Replace Qwen3 30B A3B
GPT-5 NanoOpenAI
Coding
No data
Overall
35.6
Output $/M
$0.40
41
Qwen3 30B A3BQwen
Coding
No data
Overall
38.2
Output $/M
$0.50
9
vs boards won of 50 shared

GPT-5 Nano or Qwen3 30B A3B: which to pick

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

Pick GPT-5 Nano for output tokens 1.3x cheaper ($0.40 vs $0.50 per million) and a larger context window (400K against 41K tokens).

Model AGPT-5 NanoOpenAINot benchmarkedNo coding benchmark$0.109 per solved taskModel BQwen3 30B A3BQwenNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
50
GPT-5 Nano only
37
Qwen3 30B A3B only
2
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-5 Nano not benchmarked, Qwen3 30B A3B not benchmarked.
Widest category
Web design, 16.1 points apart on average over 5 shared benchmarks.
Widest single gap
Long context reasoning (AA-LCR): GPT-5 Nano 45.0% against Qwen3 30B A3B 0.0%, 45.0 points apart on a 0 to 100 scale.
Output price
GPT-5 Nano $0.40 against Qwen3 30B A3B $0.50 per million output tokens, 1.3x apart.
Context window
GPT-5 Nano takes 400K tokens, Qwen3 30B A3B 41K.

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-5 NanoBarsQwen3 30B A3BTies
Coding50
Intelligence20
Agentic work10
Reasoning60
Math32
Knowledge32
Web design50
General165
All shared boards419
CodingLike-for-likeSix of these boards feed the Vibe Coding Index50
Coding benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
SWE-bench Verified34.8%Not measuredOnly GPT-5 Nano measured
LiveCodeBench (Vals AI)70.2%Not measuredOnly GPT-5 Nano measured
LiveCodeBench (Artificial Analysis run)78.9%50.6%GPT-5 Nano
Terminal-Bench Hard (Artificial Analysis run)17.4%6.8%GPT-5 Nano
Terminal-Bench21.8%Not measuredOnly GPT-5 Nano measured
WeirdML38.1%29.8%GPT-5 Nano
LMArena Text: coding13511337GPT-5 Nano
LMArena Text: software and IT13451340GPT-5 Nano
Neither model has a result on the other 31 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
AA Intelligence Index13.07.6GPT-5 Nano
Epoch Capabilities Index139.2137.3GPT-5 Nano
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
τ²-Bench Telecom36.5%26.0%GPT-5 Nano
Berkeley Function Calling Leaderboard (BFCL)51.4%Not measuredOnly GPT-5 Nano measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index60
Reasoning benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
GPQA Diamond63.4%Not measuredOnly GPT-5 Nano measured
MMMU Pro (Vals AI)70.9%Not measuredOnly GPT-5 Nano measured
GPQA Diamond (Artificial Analysis run)67.6%61.6%GPT-5 Nano
Humanity's Last Exam (Artificial Analysis run)9.5%6.2%GPT-5 Nano
GPQA Diamond (Epoch AI run)69.4%61.7%GPT-5 Nano
ARC-AGI20.7%Not measuredOnly GPT-5 Nano measured
ARC-AGI-22.6%Not measuredOnly GPT-5 Nano measured
Chess puzzles22.0%Not measuredOnly GPT-5 Nano measured
Mystery game puzzles9.0%Not measuredOnly GPT-5 Nano measured
VPCT37.2%Not measuredOnly GPT-5 Nano measured
LMArena Text: hard prompts13281314GPT-5 Nano
LMArena Text: expert13211314GPT-5 Nano
LMArena Text: hard prompts in English13381329GPT-5 Nano
LMArena Vision: diagrams1141Not measuredOnly GPT-5 Nano measured
LMArena Vision: homework1157Not measuredOnly GPT-5 Nano measured
Kagi LLM Benchmark62.2%Not measuredOnly GPT-5 Nano measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index32
Math benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
AIME81.2%Not measuredOnly GPT-5 Nano measured
MATH 500 (Vals AI)93.8%Not measuredOnly GPT-5 Nano measured
MGSM (Vals AI)89.3%Not measuredOnly GPT-5 Nano measured
AA Math Index83.772.3GPT-5 Nano
AIME 2025 (Artificial Analysis run)83.7%72.3%GPT-5 Nano
OTIS Mock AIME81.1%62.8%GPT-5 Nano
FrontierMath, tiers 1 to 320.0%Not measuredOnly GPT-5 Nano measured
FrontierMath, tier 42.4%Not measuredOnly GPT-5 Nano measured
ProofBench12.0%Not measuredOnly GPT-5 Nano measured
MATH level 595.2%Not measuredOnly GPT-5 Nano measured
LMArena Text: math13171355Qwen3 30B A3B
LMArena Text: mathematical work13261363Qwen3 30B A3B
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index32
Knowledge benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
MMLU Pro76.1%Not measuredOnly GPT-5 Nano measured
LegalBench (Vals AI)50.1%Not measuredOnly GPT-5 Nano measured
CaseLaw (Vals AI)52.6%Not measuredOnly GPT-5 Nano measured
TaxEval (Vals AI)67.4%Not measuredOnly GPT-5 Nano measured
MortgageTax (Vals AI)53.6%Not measuredOnly GPT-5 Nano measured
MedQA (Vals AI)93.3%Not measuredOnly GPT-5 Nano measured
MedCode (Vals AI)30.4%Not measuredOnly GPT-5 Nano measured
MMLU Pro (Artificial Analysis run)78.0%77.7%GPT-5 Nano
SimpleQA Verified11.7%Not measuredOnly GPT-5 Nano measured
LMArena Text: science13181321Qwen3 30B A3B
LMArena Text: medicine and healthcare13351318GPT-5 Nano
LMArena Text: legal and government12981314Qwen3 30B A3B
LMArena Text: business and finance13111309GPT-5 Nano
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index50
Web design benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
Design Arena: websites1101954GPT-5 Nano
Design Arena: UI components1064943GPT-5 Nano
Design Arena: game dev1044898GPT-5 Nano
Design Arena: data viz1056967GPT-5 Nano
Design Arena: 3D965Not measuredOnly GPT-5 Nano measured
Design Arena: all code categories1084941GPT-5 Nano
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index165
General benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
SAGE (Vals AI)30.4%Not measuredOnly GPT-5 Nano measured
MedScribe (Vals AI)72.9%Not measuredOnly GPT-5 Nano measured
IFBench67.6%41.5%GPT-5 Nano
Long context reasoning (AA-LCR)45.0%0.0%GPT-5 Nano
DTBench62.7%60.3%GPT-5 Nano
LMCA7.9%15.8%Qwen3 30B A3B
Fiction.LiveBench44.4%40.6%GPT-5 Nano
Creative writing (Lech Mazur)Not measured75.3%Only Qwen3 30B A3B measured
LMArena Text13201317GPT-5 Nano
LMArena Text: instruction following13061283GPT-5 Nano
LMArena Text: creative writing12491271Qwen3 30B A3B
LMArena Vision1159Not measuredOnly GPT-5 Nano measured
LMArena Text: English13211335Qwen3 30B A3B
LMArena Text: non-English13131295GPT-5 Nano
LMArena Text: Chinese13561347GPT-5 Nano
LMArena Text: German13271307GPT-5 Nano
LMArena Text: Japanese12271254Qwen3 30B A3B
LMArena Text: Korean12691261GPT-5 Nano
LMArena Text: FrenchNot measured1352Only Qwen3 30B A3B measured
LMArena Text: Spanish13601317GPT-5 Nano
LMArena Text: Russian12961291GPT-5 Nano
LMArena Text: Polish13141299GPT-5 Nano
LMArena Text: multi-turn13111307GPT-5 Nano
LMArena Text: longer queries13121312GPT-5 Nano
LMArena Text: writing and language12831290Qwen3 30B A3B
LMArena Text: entertainment and media12681258GPT-5 Nano
LMArena Vision: English1170Not measuredOnly GPT-5 Nano measured
LMArena Vision: Chinese1176Not measuredOnly GPT-5 Nano measured
LMArena Vision: reading text1152Not measuredOnly GPT-5 Nano measured
LMArena Vision: humor1110Not measuredOnly GPT-5 Nano measured
Neither model has a result on the other 16 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-5 Nano and Qwen3 30B A3B
BenchmarkGPT-5 NanoQwen3 30B A3BLeader
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-5 Nano$0.0003Fits in one request
Qwen3 30B A3B$0.0004Fits in one request

GPT-5 Nano costs less

Repository review

50K input + 3K output tokens

GPT-5 Nano$0.0037Fits in one request
Qwen3 30B A3B$0.0075Exceeds the context window

GPT-5 Nano costs less

Agent loop

200K input + 10K output tokens

GPT-5 Nano$0.014Fits in one request
Qwen3 30B A3B$0.029Exceeds the context window

GPT-5 Nano 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-5 Nano and Qwen3 30B A3B
SpecificationOpenAI GPT-5 NanoQwen3 30B A3B
MakerOpenAIQwen
WeightsNo public weights listedOpen weights
ReleasedAugust 7, 2025April 28, 2025
Context window400K41K
Input $/Mtok$0.05$0.12
Output $/Mtok$0.40$0.50
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved task$0.109Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-5 Nano better than Qwen3 30B A3B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick GPT-5 Nano for output tokens 1.3x cheaper ($0.40 vs $0.50 per million) and a larger context window (400K against 41K tokens).

Which is cheaper, GPT-5 Nano or Qwen3 30B A3B?

GPT-5 Nano costs $0.05 per million input tokens and $0.40 per million output tokens; Qwen3 30B A3B costs $0.12 and $0.50. Cost per solved task is known for GPT-5 Nano only.

Which has the bigger context window, GPT-5 Nano or Qwen3 30B A3B?

GPT-5 Nano, with 400K tokens against 41K.

How many benchmarks is the GPT-5 Nano vs Qwen3 30B A3B comparison based on?

50 benchmarks have a result for both models as of October 22, 2026. GPT-5 Nano's coding index rests on 0 independent benchmarks and Qwen3 30B A3B's on 0. Where only one model has a result, the page says so instead of naming a winner.

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