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Devstral 2 2512 vs Qwen3.6 27B

Qwen3.6 27B leads Devstral 2 2512 on the Artificial Analysis Intelligence Index, 21.4 to 8.6, and Devstral 2 2512 costs 1.4x less per output token ($2.00 vs $2.70 per million). Updated October 21, 2026; 4 benchmarks have a result for both.

Replace Devstral 2 2512 Replace Qwen3.6 27B
Devstral 2 2512Mistral AI
Coding
No data
Overall
No data
Output $/M
$2.00
0
Qwen3.6 27BQwen
Coding
36.8
Overall
45.3
Output $/M
$2.70
4
vs boards won of 4 shared

Devstral 2 2512 or Qwen3.6 27B: which to pick

Only Qwen3.6 27B has a coding score, 36.8 on the Vibe Coding Index; Devstral 2 2512 has none, so the two cannot be ranked on coding.

Pick Devstral 2 2512 for output tokens 1.4x cheaper ($2.00 vs $2.70 per million) and a lower cost per solved task ($1.19 against $1.30).

Model ADevstral 2 2512Mistral AINot benchmarked1 independent benchmark$1.19 per solved taskModel BQwen3.6 27BQwen36.8/1002 independent benchmarks$1.30 per solved task
Shared results
4
Devstral 2 2512 only
2
Qwen3.6 27B only
20
Like-for-like categories
3 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
Devstral 2 2512 not benchmarked, Qwen3.6 27B 36.8 from 2 benchmarks.
Widest category
Agentic work, 16.2 points apart on average over 1 shared benchmark.
Widest single gap
AA Coding Index: Devstral 2 2512 31.3 against Qwen3.6 27B 53.7, 22.4 points apart on a 0 to 100 scale.
Output price
Devstral 2 2512 $2.00 against Qwen3.6 27B $2.70 per million output tokens, 1.4x apart.
Context window
Both take 262K 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.

Boards won, where both have a result
CategoryDevstral 2 2512BarsQwen3.6 27BTies
Coding02
Intelligence01
Agentic work01
All shared boards04
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
SWE-bench Verified53.8%Not measuredOnly Devstral 2 2512 measured
AA Coding Index31.353.7Qwen3.6 27B
LiveCodeBench (Vals AI)51.8%Not measuredOnly Devstral 2 2512 measured
SWE-bench Verified (Vals AI)62.8%70.0%Qwen3.6 27B
Vibe Code Bench (Vals AI)Not measured11.9%Only Qwen3.6 27B measured
SciCodeNot measured42.8%Only Qwen3.6 27B measured
Terminal-Bench Hard (Artificial Analysis run)Not measured34.8%Only Qwen3.6 27B measured
Neither model has a result on the other 32 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
AA Intelligence Index8.621.4Qwen3.6 27B
Epoch Capabilities IndexNot measured146.2Only Qwen3.6 27B measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
AA Agentic Index2.318.5Qwen3.6 27B
τ²-Bench TelecomNot measured94.2%Only Qwen3.6 27B measured
Neither model has a result on the other 39 boards here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
Reasoning benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
GPQA Diamond (Artificial Analysis run)Not measured84.2%Only Qwen3.6 27B measured
Humanity's Last Exam (Artificial Analysis run)Not measured23.1%Only Qwen3.6 27B measured
GPQA Diamond (Epoch AI run)Not measured85.9%Only Qwen3.6 27B measured
Mystery game puzzlesNot measured7.0%Only Qwen3.6 27B measured
Neither model has a result on the other 18 boards here
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Math benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
OTIS Mock AIMENot measured91.1%Only Qwen3.6 27B measured
FrontierMath, tiers 1 to 3Not measured35.1%Only Qwen3.6 27B measured
Neither model has a result on the other 11 boards here
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
Knowledge benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
CaseLaw (Vals AI)Not measured53.2%Only Qwen3.6 27B measured
CorpFin (Vals AI)Not measured62.3%Only Qwen3.6 27B measured
TaxEval (Vals AI)Not measured71.3%Only Qwen3.6 27B measured
MortgageTax (Vals AI)Not measured68.3%Only Qwen3.6 27B measured
Neither model has a result on the other 14 boards here
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Web design benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
Neither model has a result on 9 boards here
GeneralDirectional onlyPublic boards, shown as published, kept out of the index5 boards, none shared
General benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
SAGE (Vals AI)Not measured45.6%Only Qwen3.6 27B measured
IFBenchNot measured67.6%Only Qwen3.6 27B measured
Long context reasoning (AA-LCR)Not measured77.3%Only Qwen3.6 27B measured
DTBenchNot measured78.1%Only Qwen3.6 27B measured
LMCANot measured34.5%Only Qwen3.6 27B measured
Neither model has a result on the other 41 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Devstral 2 2512 and Qwen3.6 27B
BenchmarkDevstral 2 2512Qwen3.6 27BLeader
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

Devstral 2 2512$0.0014Fits in one request
Qwen3.6 27B$0.0018Fits in one request

Devstral 2 2512 costs less

Repository review

50K input + 3K output tokens

Devstral 2 2512$0.026Fits in one request
Qwen3.6 27B$0.031Fits in one request

Devstral 2 2512 costs less

Agent loop

200K input + 10K output tokens

Devstral 2 2512$0.100Fits in one request
Qwen3.6 27B$0.117Fits in one request

Devstral 2 2512 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 Devstral 2 2512 and Qwen3.6 27B
SpecificationMistral Devstral 2 2512Qwen3.6 27B
MakerMistral AIQwen
WeightsOpen weightsOpen weights
ReleasedDecember 9, 2025April 27, 2026
Context window262K262K
Input $/Mtok$0.40$0.45
Output $/Mtok$2.00$2.70
Coding indexNot benchmarked36.8
Independent measurements behind it12
Cost per solved task$1.19$1.30
SourceOpenRouter listingOpenRouter listing

Questions

Is Devstral 2 2512 better than Qwen3.6 27B for coding?

Only Qwen3.6 27B has a coding score, 36.8 on the Vibe Coding Index; Devstral 2 2512 has none, so the two cannot be ranked on coding. Pick Devstral 2 2512 for output tokens 1.4x cheaper ($2.00 vs $2.70 per million) and a lower cost per solved task ($1.19 against $1.30).

Which is cheaper, Devstral 2 2512 or Qwen3.6 27B?

Devstral 2 2512 costs $0.40 per million input tokens and $2.00 per million output tokens; Qwen3.6 27B costs $0.45 and $2.70. Per solved SWE-bench Verified task, Devstral 2 2512 costs $1.19 and Qwen3.6 27B $1.30.

Which has the bigger context window, Devstral 2 2512 or Qwen3.6 27B?

Neither: both take 262K tokens.

How many benchmarks is the Devstral 2 2512 vs Qwen3.6 27B comparison based on?

4 benchmarks have a result for both models as of October 21, 2026. Devstral 2 2512's coding index rests on 1 independent benchmark and Qwen3.6 27B's on 2. Where only one model has a result, the page says so instead of naming a winner.

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