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DeepSeek V4 Flash 0423 vs Qwen3 30B A3B

DeepSeek V4 Flash 0423 leads Qwen3 30B A3B on the Artificial Analysis Intelligence Index, 24.4 to 7.6, and DeepSeek V4 Flash 0423 costs 1.8x less per output token ($0.28 vs $0.50 per million). Updated October 21, 2026; 38 benchmarks have a result for both.

Replace DeepSeek V4 Flash 0423 Replace Qwen3 30B A3B
DeepSeek V4 Flash 0423DeepSeek
Coding
No data
Overall
No data
Output $/M
$0.28
38
Qwen3 30B A3BQwen
Coding
No data
Overall
38.2
Output $/M
$0.50
0
vs boards won of 38 shared

DeepSeek V4 Flash 0423 or Qwen3 30B A3B: which to pick

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

Pick DeepSeek V4 Flash 0423 for output tokens 1.8x cheaper ($0.28 vs $0.50 per million) and a larger context window (1.05M against 41K tokens).

Model ADeepSeek V4 Flash 0423DeepSeekNot benchmarked1 independent benchmarkNo cost per solved taskModel BQwen3 30B A3BQwenNot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
38
DeepSeek V4 Flash 0423 only
11
Qwen3 30B A3B only
14
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
DeepSeek V4 Flash 0423 not benchmarked, Qwen3 30B A3B not benchmarked.
Widest category
Web design, 29.8 points apart on average over 5 shared benchmarks.
Widest single gap
Design Arena: game dev: DeepSeek V4 Flash 0423 1197 against Qwen3 30B A3B 899, 37.3 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Flash 0423 $0.28 against Qwen3 30B A3B $0.50 per million output tokens, 1.8x apart.
Context window
DeepSeek V4 Flash 0423 takes 1.05M 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
CategoryDeepSeek V4 Flash 0423BarsQwen3 30B A3BTies
Coding30
Intelligence20
Reasoning30
Math20
Knowledge40
Web design50
General190
All shared boards380
CodingLike-for-likeSix of these boards feed the Vibe Coding Index30
Coding benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
LMArena WebDev1582Not measuredOnly DeepSeek V4 Flash 0423 measured
AA Coding Index52.0Not measuredOnly DeepSeek V4 Flash 0423 measured
LiveCodeBench (Artificial Analysis run)Not measured50.6%Only Qwen3 30B A3B measured
Terminal-Bench Hard (Artificial Analysis run)Not measured6.8%Only Qwen3 30B A3B measured
WeirdML45.6%29.8%DeepSeek V4 Flash 0423
ALE-Bench678.2Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena Text: coding14571337DeepSeek V4 Flash 0423
LMArena Text: software and IT14531340DeepSeek V4 Flash 0423
LMArena WebDev: React1585Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena WebDev: HTML1558Not measuredOnly DeepSeek V4 Flash 0423 measured
Neither model has a result on the other 29 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
AA Intelligence Index24.47.6DeepSeek V4 Flash 0423
Epoch Capabilities Index146.1137.3DeepSeek V4 Flash 0423
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Agentic work benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
AA Agentic Index26.3Not measuredOnly DeepSeek V4 Flash 0423 measured
τ²-Bench TelecomNot measured26.0%Only Qwen3 30B A3B measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index30
Reasoning benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
GPQA Diamond (Artificial Analysis run)Not measured61.6%Only Qwen3 30B A3B measured
Humanity's Last Exam (Artificial Analysis run)Not measured6.2%Only Qwen3 30B A3B measured
GPQA Diamond (Epoch AI run)Not measured61.7%Only Qwen3 30B A3B measured
SimpleBench46.3%Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena Text: hard prompts14441314DeepSeek V4 Flash 0423
LMArena Text: expert14411314DeepSeek V4 Flash 0423
LMArena Text: hard prompts in English14491329DeepSeek V4 Flash 0423
Kagi LLM Benchmark52.2%Not measuredOnly DeepSeek V4 Flash 0423 measured
Neither model has a result on the other 14 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
AA Math IndexNot measured72.3Only Qwen3 30B A3B measured
AIME 2025 (Artificial Analysis run)Not measured72.3%Only Qwen3 30B A3B measured
OTIS Mock AIMENot measured62.8%Only Qwen3 30B A3B measured
LMArena Text: math14261355DeepSeek V4 Flash 0423
LMArena Text: mathematical work14321363DeepSeek V4 Flash 0423
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
MMLU Pro (Artificial Analysis run)Not measured77.7%Only Qwen3 30B A3B measured
LMArena Text: science14461321DeepSeek V4 Flash 0423
LMArena Text: medicine and healthcare14481318DeepSeek V4 Flash 0423
LMArena Text: legal and government14391314DeepSeek V4 Flash 0423
LMArena Text: business and finance14251309DeepSeek V4 Flash 0423
Neither model has a result on the other 13 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index50
Web design benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
Design Arena: websites1208955DeepSeek V4 Flash 0423
Design Arena: UI components1165946DeepSeek V4 Flash 0423
Design Arena: game dev1197899DeepSeek V4 Flash 0423
Design Arena: data viz1127967DeepSeek V4 Flash 0423
Design Arena: 3D1189Not measuredOnly DeepSeek V4 Flash 0423 measured
Design Arena: all code categories1205942DeepSeek V4 Flash 0423
Design Arena: SVG1155Not measuredOnly DeepSeek V4 Flash 0423 measured
Design Arena: ASCII art1109Not measuredOnly DeepSeek V4 Flash 0423 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index190
General benchmarks for DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 30B A3BLeader
IFBenchNot measured41.5%Only Qwen3 30B A3B measured
Long context reasoning (AA-LCR)Not measured0.0%Only Qwen3 30B A3B measured
DTBench86.4%60.3%DeepSeek V4 Flash 0423
LMCA35.9%15.8%DeepSeek V4 Flash 0423
Fiction.LiveBenchNot measured40.6%Only Qwen3 30B A3B measured
Creative writing (Lech Mazur)Not measured75.3%Only Qwen3 30B A3B measured
LMArena Text14321317DeepSeek V4 Flash 0423
LMArena Text: instruction following14211283DeepSeek V4 Flash 0423
LMArena Text: creative writing14031271DeepSeek V4 Flash 0423
LMArena Text: English14411335DeepSeek V4 Flash 0423
LMArena Text: non-English14191295DeepSeek V4 Flash 0423
LMArena Text: Chinese14631347DeepSeek V4 Flash 0423
LMArena Text: German14191307DeepSeek V4 Flash 0423
LMArena Text: Japanese13891254DeepSeek V4 Flash 0423
LMArena Text: Korean13831261DeepSeek V4 Flash 0423
LMArena Text: French14391352DeepSeek V4 Flash 0423
LMArena Text: Spanish14361317DeepSeek V4 Flash 0423
LMArena Text: Russian14271291DeepSeek V4 Flash 0423
LMArena Text: Polish14361299DeepSeek V4 Flash 0423
LMArena Text: multi-turn14491307DeepSeek V4 Flash 0423
LMArena Text: longer queries14341312DeepSeek V4 Flash 0423
LMArena Text: writing and language14101290DeepSeek V4 Flash 0423
LMArena Text: entertainment and media14001258DeepSeek V4 Flash 0423
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 DeepSeek V4 Flash 0423 and Qwen3 30B A3B
BenchmarkDeepSeek V4 Flash 0423Qwen3 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

DeepSeek V4 Flash 0423$0.0003Fits in one request
Qwen3 30B A3B$0.0004Fits in one request

DeepSeek V4 Flash 0423 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Flash 0423$0.0073Fits in one request
Qwen3 30B A3B$0.0075Exceeds the context window

DeepSeek V4 Flash 0423 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Flash 0423$0.029Fits in one request
Qwen3 30B A3B$0.029Exceeds the context window

DeepSeek V4 Flash 0423 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 DeepSeek V4 Flash 0423 and Qwen3 30B A3B
SpecificationDeepSeek V4 Flash 0423Qwen3 30B A3B
MakerDeepSeekQwen
WeightsOpen weightsOpen weights
ReleasedApril 24, 2026April 28, 2025
Context window1.05M41K
Input $/Mtok$0.13$0.12
Output $/Mtok$0.28$0.50
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Flash 0423 better than Qwen3 30B A3B for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick DeepSeek V4 Flash 0423 for output tokens 1.8x cheaper ($0.28 vs $0.50 per million) and a larger context window (1.05M against 41K tokens).

Which is cheaper, DeepSeek V4 Flash 0423 or Qwen3 30B A3B?

DeepSeek V4 Flash 0423 costs $0.13 per million input tokens and $0.28 per million output tokens; Qwen3 30B A3B costs $0.12 and $0.50. Cost per solved task is known for neither of them.

Which has the bigger context window, DeepSeek V4 Flash 0423 or Qwen3 30B A3B?

DeepSeek V4 Flash 0423, with 1.05M tokens against 41K.

How many benchmarks is the DeepSeek V4 Flash 0423 vs Qwen3 30B A3B comparison based on?

38 benchmarks have a result for both models as of October 21, 2026. DeepSeek V4 Flash 0423's coding index rests on 1 independent benchmark 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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