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Gemma 4 26B A4B vs Mistral Medium 3.1

Gemma 4 26B A4B leads Mistral Medium 3.1 on the Artificial Analysis Intelligence Index, 16.7 to 9.2, and Gemma 4 26B A4B costs 3.3x less per output token ($0.60 vs $2.00 per million). Updated October 22, 2026; 47 benchmarks have a result for both.

Replace Gemma 4 26B A4B Replace Mistral Medium 3.1
Gemma 4 26B A4BGoogle
Coding
No data
Overall
54.7
Output $/M
$0.60
45
Mistral Medium 3.1Mistral AI
Coding
No data
Overall
No data
Output $/M
$2.00
2
vs boards won of 47 shared

Gemma 4 26B A4B or Mistral Medium 3.1: which to pick

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

Pick Gemma 4 26B A4B for output tokens 3.3x cheaper ($0.60 vs $2.00 per million) and a larger context window (262K against 131K tokens).

Model AGemma 4 26B A4BGoogleNot benchmarked1 independent benchmarkNo cost per solved taskModel BMistral Medium 3.1Mistral AINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
47
Gemma 4 26B A4B only
8
Mistral Medium 3.1 only
27
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
Gemma 4 26B A4B not benchmarked, Mistral Medium 3.1 not benchmarked.
Widest category
Reasoning, 11.7 points apart on average over 7 shared benchmarks.
Widest single gap
IFBench: Gemma 4 26B A4B 72.4% against Mistral Medium 3.1 39.8%, 32.7 points apart on a 0 to 100 scale.
Output price
Gemma 4 26B A4B $0.60 against Mistral Medium 3.1 $2.00 per million output tokens, 3.3x apart.
Context window
Gemma 4 26B A4B takes 262K tokens, Mistral Medium 3.1 131K.

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
CategoryGemma 4 26B A4BBarsMistral Medium 3.1Ties
Coding60
Intelligence10
Agentic work20
Reasoning70
Math20
Knowledge31
General241
All shared boards452
CodingLike-for-likeSix of these boards feed the Vibe Coding Index60
Coding benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
LMArena WebDev1360Not measuredOnly Gemma 4 26B A4B measured
AA Coding Index39.320.5Gemma 4 26B A4B
LiveCodeBench (Vals AI)Not measured44.8%Only Mistral Medium 3.1 measured
LiveCodeBench (Artificial Analysis run)Not measured40.6%Only Mistral Medium 3.1 measured
SciCode40.0%32.4%Gemma 4 26B A4B
Terminal-Bench Hard (Artificial Analysis run)25.0%10.6%Gemma 4 26B A4B
WeirdML35.2%Not measuredOnly Gemma 4 26B A4B measured
ALE-Bench927.2210.2Gemma 4 26B A4B
LMArena Text: coding14461433Gemma 4 26B A4B
LMArena Text: software and IT14541436Gemma 4 26B A4B
LMArena WebDev: React1351Not measuredOnly Gemma 4 26B A4B measured
LMArena WebDev: HTML1362Not measuredOnly Gemma 4 26B A4B measured
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
AA Intelligence Index16.79.2Gemma 4 26B A4B
Epoch Capabilities Index141.9Not measuredOnly Gemma 4 26B A4B measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index20
Agentic work benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
AA Agentic Index2.91.9Gemma 4 26B A4B
τ²-Bench Telecom43.6%40.6%Gemma 4 26B A4B
Neither model has a result on the other 39 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index70
Reasoning benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
MMMU Pro (Vals AI)Not measured63.0%Only Mistral Medium 3.1 measured
GPQA Diamond (Artificial Analysis run)79.2%58.8%Gemma 4 26B A4B
Humanity's Last Exam (Artificial Analysis run)19.3%4.7%Gemma 4 26B A4B
GPQA Diamond (Epoch AI run)73.2%Not measuredOnly Gemma 4 26B A4B measured
LMArena Text: hard prompts14381426Gemma 4 26B A4B
LMArena Text: expert14471408Gemma 4 26B A4B
LMArena Text: hard prompts in English14481435Gemma 4 26B A4B
LMArena Vision: diagrams12641175Gemma 4 26B A4B
LMArena Vision: homework12931165Gemma 4 26B A4B
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
AIMENot measured42.3%Only Mistral Medium 3.1 measured
MATH 500 (Vals AI)Not measured87.0%Only Mistral Medium 3.1 measured
MGSM (Vals AI)Not measured90.9%Only Mistral Medium 3.1 measured
AA Math IndexNot measured38.3Only Mistral Medium 3.1 measured
AIME 2025 (Artificial Analysis run)Not measured38.3%Only Mistral Medium 3.1 measured
OTIS Mock AIME82.2%Not measuredOnly Gemma 4 26B A4B measured
LMArena Text: math14701408Gemma 4 26B A4B
LMArena Text: mathematical work14751412Gemma 4 26B A4B
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index31
Knowledge benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
MMLU ProNot measured75.3%Only Mistral Medium 3.1 measured
LegalBench (Vals AI)Not measured62.0%Only Mistral Medium 3.1 measured
CorpFin (Vals AI)Not measured50.7%Only Mistral Medium 3.1 measured
TaxEval (Vals AI)Not measured70.3%Only Mistral Medium 3.1 measured
MortgageTax (Vals AI)Not measured36.5%Only Mistral Medium 3.1 measured
MedQA (Vals AI)Not measured78.2%Only Mistral Medium 3.1 measured
MMLU Pro (Artificial Analysis run)Not measured68.3%Only Mistral Medium 3.1 measured
LMArena Text: science14461444Gemma 4 26B A4B
LMArena Text: medicine and healthcare14281449Mistral Medium 3.1
LMArena Text: legal and government14571439Gemma 4 26B A4B
LMArena Text: business and finance14291418Gemma 4 26B A4B
FACTS Benchmark Suite42.7%Not measuredOnly Gemma 4 26B A4B measured
Neither model has a result on the other 6 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
Design Arena: websitesNot measured1132Only Mistral Medium 3.1 measured
Design Arena: UI componentsNot measured1097Only Mistral Medium 3.1 measured
Design Arena: game devNot measured1073Only Mistral Medium 3.1 measured
Design Arena: data vizNot measured1144Only Mistral Medium 3.1 measured
Design Arena: 3DNot measured1081Only Mistral Medium 3.1 measured
Design Arena: all code categoriesNot measured1120Only Mistral Medium 3.1 measured
Design Arena: SVGNot measured992Only Mistral Medium 3.1 measured
Design Arena: ASCII artNot measured997Only Mistral Medium 3.1 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index241
General benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
IFBench72.4%39.8%Gemma 4 26B A4B
Long context reasoning (AA-LCR)65.7%42.7%Gemma 4 26B A4B
DTBench74.9%67.5%Gemma 4 26B A4B
LMCA29.7%19.1%Gemma 4 26B A4B
LMArena Text14341424Gemma 4 26B A4B
LMArena Text: instruction following14201398Gemma 4 26B A4B
LMArena Text: creative writing14001391Gemma 4 26B A4B
LMArena Vision12601172Gemma 4 26B A4B
LMArena Text: English14441438Gemma 4 26B A4B
LMArena Text: non-English14211408Gemma 4 26B A4B
LMArena Text: Chinese14951447Gemma 4 26B A4B
LMArena Text: GermanNot measured1432Only Mistral Medium 3.1 measured
LMArena Text: JapaneseNot measured1379Only Mistral Medium 3.1 measured
LMArena Text: KoreanNot measured1380Only Mistral Medium 3.1 measured
LMArena Text: French14601460Gemma 4 26B A4B
LMArena Text: Spanish14151433Mistral Medium 3.1
LMArena Text: Russian14341411Gemma 4 26B A4B
LMArena Text: PolishNot measured1430Only Mistral Medium 3.1 measured
LMArena Text: multi-turn14411418Gemma 4 26B A4B
LMArena Text: longer queries14271406Gemma 4 26B A4B
LMArena Text: writing and language14051395Gemma 4 26B A4B
LMArena Text: entertainment and media14031390Gemma 4 26B A4B
LMArena Vision: English12561179Gemma 4 26B A4B
LMArena Vision: Chinese13121190Gemma 4 26B A4B
LMArena Vision: reading text12681175Gemma 4 26B A4B
LMArena Vision: humor12721168Gemma 4 26B A4B
LMArena Vision: captioning12971145Gemma 4 26B A4B
LMArena Vision: recognizing things11911147Gemma 4 26B A4B
LMArena Vision: creative writing12561200Gemma 4 26B A4B
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemma 4 26B A4B and Mistral Medium 3.1
BenchmarkGemma 4 26B A4BMistral Medium 3.1Leader
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

Gemma 4 26B A4B$0.0004Fits in one request
Mistral Medium 3.1$0.0014Fits in one request

Gemma 4 26B A4B costs less

Repository review

50K input + 3K output tokens

Gemma 4 26B A4B$0.0093Fits in one request
Mistral Medium 3.1$0.026Fits in one request

Gemma 4 26B A4B costs less

Agent loop

200K input + 10K output tokens

Gemma 4 26B A4B$0.036Fits in one request
Mistral Medium 3.1$0.100Exceeds the context window

Gemma 4 26B A4B 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 Gemma 4 26B A4B and Mistral Medium 3.1
SpecificationGoogle Gemma 4 26B A4BMistral Medium 3.1
MakerGoogleMistral AI
WeightsOpen weightsNo public weights listed
ReleasedApril 3, 2026August 13, 2025
Context window262K131K
Input $/Mtok$0.15$0.40
Output $/Mtok$0.60$2.00
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it10
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemma 4 26B A4B better than Mistral Medium 3.1 for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Gemma 4 26B A4B for output tokens 3.3x cheaper ($0.60 vs $2.00 per million) and a larger context window (262K against 131K tokens).

Which is cheaper, Gemma 4 26B A4B or Mistral Medium 3.1?

Gemma 4 26B A4B costs $0.15 per million input tokens and $0.60 per million output tokens; Mistral Medium 3.1 costs $0.40 and $2.00. Cost per solved task is known for neither of them.

Which has the bigger context window, Gemma 4 26B A4B or Mistral Medium 3.1?

Gemma 4 26B A4B, with 262K tokens against 131K.

How many benchmarks is the Gemma 4 26B A4B vs Mistral Medium 3.1 comparison based on?

47 benchmarks have a result for both models as of October 22, 2026. Gemma 4 26B A4B's coding index rests on 1 independent benchmark and Mistral Medium 3.1's on 0. Where only one model has a result, the page says so instead of naming a winner.

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