Qwen-Plus vs Qwen3 Coder Flash

Updated October 21, 2026. 0 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Qwen-Plus Replace Qwen3 Coder Flash

Qwen-PlusQwen

Coding: No data
Overall: No data
Output $/M: $0.78

Qwen3 Coder FlashQwen

Coding: No data
Overall: No data
Output $/M: $0.975

vs $0.78 vs $0.975 per 1M output tokens. Qwen-Plus is 1.3x cheaper.

Decision reading

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

Qwen-Plus has the edge where output tokens cost 1.3x less.

Model AQwen-PlusQwenNot benchmarkedNo coding benchmarkNo cost per solved task Model BQwen3 Coder FlashQwenNot benchmarkedNo coding benchmarkNo cost per solved task

Shared results: 0
Qwen-Plus only: 28
Qwen3 Coder Flash only: 0
Like-for-like categories: 0 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.

Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Long documents
Listed context window
No call
Both take 1M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen-Plus
Qwen-Plus $0.0006, Qwen3 Coder Flash $0.0007 per turn.
List prices

At a glance

Coding index: Qwen-Plus not benchmarked, Qwen3 Coder Flash not benchmarked.
Widest category: No category has a result for both models.
Widest single gap: No benchmark has a result for both models.
Output price: Qwen-Plus $0.78 against Qwen3 Coder Flash $0.975 per million output tokens, 1.3x apart.
Context window: Both take 1M tokens.

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.

CodingDirectional onlySix of these boards feed the Vibe Coding Index2 boards, none shared

Coding benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
LMArena Text: coding	1328	Not measured	Only Qwen-Plus measured
LMArena Text: software and IT	1343	Not measured	Only Qwen-Plus measured
Neither model has a result on the other 36 boards here

IntelligenceNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Intelligence benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
Neither model has a result on 2 boards here

Agentic workNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Agentic work benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
Neither model has a result on 39 boards here

ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared

Reasoning benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
GPQA Diamond (Epoch AI run)	48.1%	Not measured	Only Qwen-Plus measured
LMArena Text: hard prompts	1317	Not measured	Only Qwen-Plus measured
LMArena Text: expert	1328	Not measured	Only Qwen-Plus measured
LMArena Text: hard prompts in English	1333	Not measured	Only Qwen-Plus measured
Neither model has a result on the other 17 boards here

MathDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared

Math benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
OTIS Mock AIME	17.8%	Not measured	Only Qwen-Plus measured
MATH level 5	65.3%	Not measured	Only Qwen-Plus measured
LMArena Text: math	1326	Not measured	Only Qwen-Plus measured
LMArena Text: mathematical work	1332	Not measured	Only Qwen-Plus measured
Neither model has a result on the other 9 boards here

KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared

Knowledge benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
LMArena Text: science	1352	Not measured	Only Qwen-Plus measured
LMArena Text: medicine and healthcare	1350	Not measured	Only Qwen-Plus measured
LMArena Text: legal and government	1349	Not measured	Only Qwen-Plus measured
LMArena Text: business and finance	1303	Not measured	Only Qwen-Plus measured
Neither model has a result on the other 13 boards here

Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Web design benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
Neither model has a result on 9 boards here

GeneralDirectional onlyPublic boards, shown as published, kept out of the index14 boards, none shared

General benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
DTBench	81.1%	Not measured	Only Qwen-Plus measured
LMCA	24.0%	Not measured	Only Qwen-Plus measured
LMArena Text	1326	Not measured	Only Qwen-Plus measured
LMArena Text: instruction following	1303	Not measured	Only Qwen-Plus measured
LMArena Text: creative writing	1292	Not measured	Only Qwen-Plus measured
LMArena Text: English	1339	Not measured	Only Qwen-Plus measured
LMArena Text: non-English	1310	Not measured	Only Qwen-Plus measured
LMArena Text: Chinese	1347	Not measured	Only Qwen-Plus measured
LMArena Text: Japanese	1251	Not measured	Only Qwen-Plus measured
LMArena Text: Russian	1323	Not measured	Only Qwen-Plus measured
LMArena Text: multi-turn	1336	Not measured	Only Qwen-Plus measured
LMArena Text: longer queries	1324	Not measured	Only Qwen-Plus measured
LMArena Text: writing and language	1296	Not measured	Only Qwen-Plus measured
LMArena Text: entertainment and media	1270	Not measured	Only Qwen-Plus measured
Neither model has a result on the other 32 boards here

Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Image generation benchmarks for Qwen-Plus and Qwen3 Coder Flash
Benchmark	Qwen-Plus	Qwen3 Coder Flash	Leader
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

Qwen-Plus$0.0006Fits in one request

Qwen3 Coder Flash$0.0007Fits in one request

Qwen-Plus costs less

Repository review

50K input + 3K output tokens

Qwen-Plus$0.015Fits in one request

Qwen3 Coder Flash$0.013Fits in one request

Qwen3 Coder Flash costs less

Agent loop

200K input + 10K output tokens

Qwen-Plus$0.060Fits in one request

Qwen3 Coder Flash$0.049Fits in one request

Qwen3 Coder Flash 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 Qwen-Plus and Qwen3 Coder Flash
Specification	Qwen-Plus	Qwen3 Coder Flash
Maker	Qwen	Qwen
Weights	No public weights listed	No public weights listed
Released	February 1, 2025	September 17, 2025
Context window	1M	1M
Input $/Mtok	$0.26	$0.195
Output $/Mtok	$0.78	$0.975
Coding index	Not benchmarked	Not benchmarked
Independent measurements behind it	0	0
Cost per solved task	Not computable	Not computable
Source	OpenRouter listing	OpenRouter listing

Questions

Is Qwen-Plus better than Qwen3 Coder Flash for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Qwen-Plus has the edge where output tokens cost 1.3x less.

Which is cheaper, Qwen-Plus or Qwen3 Coder Flash?

Qwen-Plus costs $0.26 per million input tokens and $0.78 per million output tokens; Qwen3 Coder Flash costs $0.195 and $0.975. Cost per solved task is known for neither of them.

Which has the bigger context window, Qwen-Plus or Qwen3 Coder Flash?

Neither: both take 1M tokens.

How many benchmarks is the Qwen-Plus vs Qwen3 Coder Flash comparison based on?

0 benchmarks have a result for both models as of October 21, 2026. Qwen-Plus's coding index rests on 0 independent benchmarks and Qwen3 Coder Flash's on 0. Where only one model has a result, the page says so instead of naming a winner.