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DeepSeek V4 Flash 0423 vs Qwen3 Coder 480B A35B

DeepSeek V4 Flash 0423 leads Qwen3 Coder 480B A35B on the Artificial Analysis Intelligence Index, 24.4 to 11.9, and DeepSeek V4 Flash 0423 costs 5.4x less per output token ($0.28 vs $1.50 per million). Updated October 22, 2026; 40 benchmarks have a result for both.

Replace DeepSeek V4 Flash 0423 Replace Qwen3 Coder 480B A35B
DeepSeek V4 Flash 0423DeepSeek
Coding
No data
Overall
No data
Output $/M
$0.28
40
Qwen3 Coder 480B A35BQwen
Coding
No data
Overall
No data
Output $/M
$1.50
0
vs boards won of 40 shared

DeepSeek V4 Flash 0423 or Qwen3 Coder 480B A35B: 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 5.4x cheaper ($0.28 vs $1.50 per million) and a larger context window (1.05M against 262K tokens).

Model ADeepSeek V4 Flash 0423DeepSeekNot benchmarked1 independent benchmarkNo cost per solved taskModel BQwen3 Coder 480B A35BQwenNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
40
DeepSeek V4 Flash 0423 only
9
Qwen3 Coder 480B A35B only
13
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 Coder 480B A35B not benchmarked.
Widest category
Coding, 24.7 points apart on average over 7 shared benchmarks.
Widest single gap
LMArena WebDev: React: DeepSeek V4 Flash 0423 1585 against Qwen3 Coder 480B A35B 1257, 54.6 points apart on a 0 to 100 scale.
Output price
DeepSeek V4 Flash 0423 $0.28 against Qwen3 Coder 480B A35B $1.50 per million output tokens, 5.4x apart.
Context window
DeepSeek V4 Flash 0423 takes 1.05M 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
CategoryDeepSeek V4 Flash 0423BarsQwen3 Coder 480B A35BTies
Coding70
Intelligence10
Reasoning40
Math20
Knowledge40
Web design50
General170
All shared boards400
CodingLike-for-likeSix of these boards feed the Vibe Coding Index70
Coding benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
SWE-bench VerifiedNot measured69.6%Only Qwen3 Coder 480B A35B measured
LMArena WebDev15821275DeepSeek V4 Flash 0423
AA Coding Index52.0Not measuredOnly DeepSeek V4 Flash 0423 measured
LiveCodeBench (Artificial Analysis run)Not measured58.5%Only Qwen3 Coder 480B A35B measured
Terminal-Bench Hard (Artificial Analysis run)Not measured18.9%Only Qwen3 Coder 480B A35B measured
Terminal-BenchNot measured27.2%Only Qwen3 Coder 480B A35B measured
GSO-BenchNot measured4.9%Only Qwen3 Coder 480B A35B measured
WeirdML45.6%41.2%DeepSeek V4 Flash 0423
ALE-Bench678.2461.4DeepSeek V4 Flash 0423
LMArena Text: coding14571412DeepSeek V4 Flash 0423
LMArena Text: software and IT14531393DeepSeek V4 Flash 0423
LMArena WebDev: React15851257DeepSeek V4 Flash 0423
LMArena WebDev: HTML15581287DeepSeek V4 Flash 0423
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
AA Intelligence Index24.411.9DeepSeek V4 Flash 0423
Epoch Capabilities Index146.1Not measuredOnly DeepSeek V4 Flash 0423 measured
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 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
AA Agentic Index26.3Not measuredOnly DeepSeek V4 Flash 0423 measured
τ²-Bench TelecomNot measured43.6%Only Qwen3 Coder 480B A35B measured
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
Reasoning benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
GPQA Diamond (Artificial Analysis run)Not measured61.8%Only Qwen3 Coder 480B A35B measured
Humanity's Last Exam (Artificial Analysis run)Not measured4.5%Only Qwen3 Coder 480B A35B measured
SimpleBench46.3%Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena Text: hard prompts14441372DeepSeek V4 Flash 0423
LMArena Text: expert14411338DeepSeek V4 Flash 0423
LMArena Text: hard prompts in English14491380DeepSeek V4 Flash 0423
Kagi LLM Benchmark52.2%49.5%DeepSeek V4 Flash 0423
Neither model has a result on the other 15 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
AA Math IndexNot measured39.3Only Qwen3 Coder 480B A35B measured
AIME 2025 (Artificial Analysis run)Not measured39.3%Only Qwen3 Coder 480B A35B measured
LMArena Text: math14261365DeepSeek V4 Flash 0423
LMArena Text: mathematical work14321367DeepSeek V4 Flash 0423
Neither model has a result on the other 9 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
MMLU Pro (Artificial Analysis run)Not measured78.8%Only Qwen3 Coder 480B A35B measured
LMArena Text: science14461347DeepSeek V4 Flash 0423
LMArena Text: medicine and healthcare14481347DeepSeek V4 Flash 0423
LMArena Text: legal and government14391358DeepSeek V4 Flash 0423
LMArena Text: business and finance14251343DeepSeek 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 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
Design Arena: websites12071158DeepSeek V4 Flash 0423
Design Arena: UI components11621110DeepSeek V4 Flash 0423
Design Arena: game dev11961098DeepSeek V4 Flash 0423
Design Arena: data viz11271084DeepSeek V4 Flash 0423
Design Arena: 3D1188Not measuredOnly DeepSeek V4 Flash 0423 measured
Design Arena: all code categories12051142DeepSeek 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 index170
General benchmarks for DeepSeek V4 Flash 0423 and Qwen3 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 Coder 480B A35BLeader
IFBenchNot measured40.5%Only Qwen3 Coder 480B A35B measured
Long context reasoning (AA-LCR)Not measured45.7%Only Qwen3 Coder 480B A35B measured
DTBench86.4%Not measuredOnly DeepSeek V4 Flash 0423 measured
LMCA35.9%Not measuredOnly DeepSeek V4 Flash 0423 measured
LMArena Text14321357DeepSeek V4 Flash 0423
LMArena Text: instruction following14211355DeepSeek V4 Flash 0423
LMArena Text: creative writing14031333DeepSeek V4 Flash 0423
LMArena Text: English14411359DeepSeek V4 Flash 0423
LMArena Text: non-English14191346DeepSeek V4 Flash 0423
LMArena Text: Chinese14631357DeepSeek V4 Flash 0423
LMArena Text: German14191325DeepSeek V4 Flash 0423
LMArena Text: Japanese13891311DeepSeek V4 Flash 0423
LMArena Text: Korean13831305DeepSeek V4 Flash 0423
LMArena Text: French14391398DeepSeek V4 Flash 0423
LMArena Text: Spanish14361360DeepSeek V4 Flash 0423
LMArena Text: Russian14271366DeepSeek V4 Flash 0423
LMArena Text: Polish14361344DeepSeek V4 Flash 0423
LMArena Text: multi-turn14491366DeepSeek V4 Flash 0423
LMArena Text: longer queries14341378DeepSeek V4 Flash 0423
LMArena Text: writing and language14101340DeepSeek V4 Flash 0423
LMArena Text: entertainment and media14001317DeepSeek V4 Flash 0423
Neither model has a result on the other 25 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 Coder 480B A35B
BenchmarkDeepSeek V4 Flash 0423Qwen3 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

DeepSeek V4 Flash 0423$0.0003Fits in one request
Qwen3 Coder 480B A35B$0.0010Fits in one request

DeepSeek V4 Flash 0423 costs less

Repository review

50K input + 3K output tokens

DeepSeek V4 Flash 0423$0.0078Fits in one request
Qwen3 Coder 480B A35B$0.019Fits in one request

DeepSeek V4 Flash 0423 costs less

Agent loop

200K input + 10K output tokens

DeepSeek V4 Flash 0423$0.031Fits in one request
Qwen3 Coder 480B A35B$0.075Fits in one request

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 Coder 480B A35B
SpecificationDeepSeek V4 Flash 0423Qwen3 Coder 480B A35B
MakerDeepSeekQwen
WeightsOpen weightsOpen weights
ReleasedApril 24, 2026July 23, 2025
Context window1.05M262K
Input $/Mtok$0.14$0.30
Output $/Mtok$0.28$1.50
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it11
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is DeepSeek V4 Flash 0423 better than Qwen3 Coder 480B A35B 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 5.4x cheaper ($0.28 vs $1.50 per million) and a larger context window (1.05M against 262K tokens).

Which is cheaper, DeepSeek V4 Flash 0423 or Qwen3 Coder 480B A35B?

DeepSeek V4 Flash 0423 costs $0.14 per million input tokens and $0.28 per million output tokens; Qwen3 Coder 480B A35B costs $0.30 and $1.50. Cost per solved task is known for neither of them.

Which has the bigger context window, DeepSeek V4 Flash 0423 or Qwen3 Coder 480B A35B?

DeepSeek V4 Flash 0423, with 1.05M tokens against 262K.

How many benchmarks is the DeepSeek V4 Flash 0423 vs Qwen3 Coder 480B A35B comparison based on?

40 benchmarks have a result for both models as of October 22, 2026. DeepSeek V4 Flash 0423'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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