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Mistral Small 3.1 24B vs MiMo-V2.5

MiMo-V2.5 costs 1.7x less per output token than Mistral Small 3.1 24B ($0.336 vs $0.555 per million). Updated October 22, 2026; 37 benchmarks have a result for both.

Replace Mistral Small 3.1 24B Replace MiMo-V2.5
Mistral Small 3.1 24BMistral AI
Coding
No data
Overall
No data
Output $/M
$0.555
0
MiMo-V2.5Xiaomi
Coding
50.0
Overall
50.7
Output $/M
$0.336
37
vs boards won of 37 shared

Mistral Small 3.1 24B or MiMo-V2.5: which to pick

Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; Mistral Small 3.1 24B has none, so the two cannot be ranked on coding.

Compare them on price, context and the boards below.

Model AMistral Small 3.1 24BMistral AINot benchmarkedNo coding benchmarkNo cost per solved taskModel BMiMo-V2.5Xiaomi50.0/1003 independent benchmarks$0.01 per solved task
Shared results
37
Mistral Small 3.1 24B only
1
MiMo-V2.5 only
43
Like-for-like categories
5 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
Mistral Small 3.1 24B not benchmarked, MiMo-V2.5 50.0 from 3 benchmarks.
Widest category
Math, 29.6 points apart on average over 2 shared benchmarks.
Widest single gap
LMArena Text: Chinese: Mistral Small 3.1 24B 1253 against MiMo-V2.5 1469, 36.1 points apart on a 0 to 100 scale.
Output price
Mistral Small 3.1 24B $0.555 against MiMo-V2.5 $0.336 per million output tokens, 1.7x apart.
Context window
Mistral Small 3.1 24B takes 128K tokens, MiMo-V2.5 1.05M.

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
CategoryMistral Small 3.1 24BBarsMiMo-V2.5Ties
Coding02
Reasoning05
Math02
Knowledge04
General024
All shared boards037
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
LMArena WebDevNot measured1438Only MiMo-V2.5 measured
AA Coding IndexNot measured56.8Only MiMo-V2.5 measured
LiveCodeBench (Vals AI)Not measured81.5%Only MiMo-V2.5 measured
SWE-bench Verified (Vals AI)Not measured71.0%Only MiMo-V2.5 measured
Vibe Code Bench (Vals AI)Not measured42.2%Only MiMo-V2.5 measured
Code migration (Vals AI)Not measured14.2%Only MiMo-V2.5 measured
Terminal-Bench 2.1 (Vals AI)Not measured60.7%Only MiMo-V2.5 measured
SciCodeNot measured43.9%Only MiMo-V2.5 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured41.7%Only MiMo-V2.5 measured
ALE-BenchNot measured514.0Only MiMo-V2.5 measured
LMArena Text: coding13091469MiMo-V2.5
LMArena Text: software and IT13011463MiMo-V2.5
LMArena WebDev: ReactNot measured1425Only MiMo-V2.5 measured
LMArena WebDev: HTMLNot measured1429Only MiMo-V2.5 measured
Neither model has a result on the other 25 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
Intelligence benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
AA Intelligence IndexNot measured21.8Only MiMo-V2.5 measured
Neither model has a result on the other 1 board here
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Agentic work benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
AA Agentic IndexNot measured15.8Only MiMo-V2.5 measured
Finance Agent (Vals AI)Not measured36.7%Only MiMo-V2.5 measured
Tax Agent Bench (Vals AI)Not measured7.8%Only MiMo-V2.5 measured
Legal Research Bench (Vals AI)Not measured9.1%Only MiMo-V2.5 measured
Excel Modeling Benchmark (Vals AI)Not measured55.1%Only MiMo-V2.5 measured
τ²-Bench TelecomNot measured90.6%Only MiMo-V2.5 measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
GPQA DiamondNot measured81.6%Only MiMo-V2.5 measured
MMMU Pro (Vals AI)Not measured80.0%Only MiMo-V2.5 measured
GPQA Diamond (Artificial Analysis run)Not measured84.9%Only MiMo-V2.5 measured
Humanity's Last Exam (Artificial Analysis run)Not measured27.2%Only MiMo-V2.5 measured
LMArena Text: hard prompts12781450MiMo-V2.5
LMArena Text: expert12571459MiMo-V2.5
LMArena Text: hard prompts in English12901461MiMo-V2.5
LMArena Vision: diagrams11191269MiMo-V2.5
LMArena Vision: homework11581262MiMo-V2.5
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
ProofBenchNot measured16.0%Only MiMo-V2.5 measured
LMArena Text: math12611436MiMo-V2.5
LMArena Text: mathematical work12711451MiMo-V2.5
Neither model has a result on the other 10 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
MMLU ProNot measured82.9%Only MiMo-V2.5 measured
LegalBench (Vals AI)Not measured78.9%Only MiMo-V2.5 measured
CorpFin (Vals AI)Not measured59.9%Only MiMo-V2.5 measured
TaxEval (Vals AI)Not measured71.8%Only MiMo-V2.5 measured
MortgageTax (Vals AI)Not measured59.3%Only MiMo-V2.5 measured
MedCode (Vals AI)Not measured31.9%Only MiMo-V2.5 measured
LMArena Text: science12651440MiMo-V2.5
LMArena Text: medicine and healthcare12671432MiMo-V2.5
LMArena Text: legal and government12711425MiMo-V2.5
LMArena Text: business and finance12571432MiMo-V2.5
Neither model has a result on the other 8 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
Design Arena: websitesNot measured1265Only MiMo-V2.5 measured
Design Arena: UI componentsNot measured1255Only MiMo-V2.5 measured
Design Arena: game devNot measured1249Only MiMo-V2.5 measured
Design Arena: data vizNot measured1250Only MiMo-V2.5 measured
Design Arena: 3DNot measured1215Only MiMo-V2.5 measured
Design Arena: all code categoriesNot measured1260Only MiMo-V2.5 measured
Design Arena: SVGNot measured1179Only MiMo-V2.5 measured
Design Arena: ASCII artNot measured1140Only MiMo-V2.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index024
General benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
SAGE (Vals AI)Not measured43.3%Only MiMo-V2.5 measured
MedScribe (Vals AI)Not measured72.2%Only MiMo-V2.5 measured
Vals Multimodal IndexNot measured52.8%Only MiMo-V2.5 measured
IFBenchNot measured67.1%Only MiMo-V2.5 measured
Long context reasoning (AA-LCR)Not measured73.0%Only MiMo-V2.5 measured
LMArena Text12771428MiMo-V2.5
LMArena Text: instruction following12631435MiMo-V2.5
LMArena Text: creative writing12521393MiMo-V2.5
LMArena Vision11361247MiMo-V2.5
LMArena Text: English12951447MiMo-V2.5
LMArena Text: non-English12551405MiMo-V2.5
LMArena Text: Chinese12531469MiMo-V2.5
LMArena Text: German12661421MiMo-V2.5
LMArena Text: Japanese12081306MiMo-V2.5
LMArena Text: Korean12071361MiMo-V2.5
LMArena Text: French12731448MiMo-V2.5
LMArena Text: Spanish12841414MiMo-V2.5
LMArena Text: Russian12631396MiMo-V2.5
LMArena Text: Polish12421413MiMo-V2.5
LMArena Text: multi-turn12701445MiMo-V2.5
LMArena Text: longer queries12991445MiMo-V2.5
LMArena Text: writing and language12681409MiMo-V2.5
LMArena Text: entertainment and media12501399MiMo-V2.5
LMArena Vision: English11571259MiMo-V2.5
LMArena Vision: Chinese11551326MiMo-V2.5
LMArena Vision: reading text11321256MiMo-V2.5
LMArena Vision: humor11421226MiMo-V2.5
LMArena Vision: captioning1153Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: recognizing things11551189MiMo-V2.5
LMArena Vision: creative writing11231230MiMo-V2.5
Neither model has a result on the other 16 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Mistral Small 3.1 24B and MiMo-V2.5
BenchmarkMistral Small 3.1 24BMiMo-V2.5Leader
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

Mistral Small 3.1 24B$0.0006Fits in one request
MiMo-V2.5$0.0003Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Mistral Small 3.1 24B$0.019Fits in one request
MiMo-V2.5$0.0094Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Mistral Small 3.1 24B$0.076Exceeds the context window
MiMo-V2.5$0.037Fits in one request

MiMo-V2.5 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 Mistral Small 3.1 24B and MiMo-V2.5
SpecificationMistral Small 3.1 24BXiaomi MiMo-V2.5
MakerMistral AIXiaomi
WeightsOpen weightsOpen weights
ReleasedMarch 17, 2025April 22, 2026
Context window128K1.05M
Input $/Mtok$0.351$0.168
Output $/Mtok$0.555$0.336
Coding indexNot benchmarked50.0
Independent measurements behind it03
Cost per solved taskNot computable$0.01
SourceOpenRouter listingOpenRouter listing

Questions

Is Mistral Small 3.1 24B better than MiMo-V2.5 for coding?

Only MiMo-V2.5 has a coding score, 50.0 on the Vibe Coding Index; Mistral Small 3.1 24B has none, so the two cannot be ranked on coding. Compare them on price, context and the boards below.

Which is cheaper, Mistral Small 3.1 24B or MiMo-V2.5?

Mistral Small 3.1 24B costs $0.351 per million input tokens and $0.555 per million output tokens; MiMo-V2.5 costs $0.168 and $0.336. Cost per solved task is known for MiMo-V2.5 only.

Which has the bigger context window, Mistral Small 3.1 24B or MiMo-V2.5?

MiMo-V2.5, with 1.05M tokens against 128K.

How many benchmarks is the Mistral Small 3.1 24B vs MiMo-V2.5 comparison based on?

37 benchmarks have a result for both models as of October 22, 2026. Mistral Small 3.1 24B's coding index rests on 0 independent benchmarks and MiMo-V2.5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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