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Kimi K2.5 vs MiMo-V2.5

Updated October 21, 2026. 74 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Kimi K2.5 Replace MiMo-V2.5
Kimi K2.5Moonshot AI
Coding
58.5
Overall
23.5
Output $/M
$2.50
52
MiMo-V2.5Xiaomi
Coding
34.0
Overall
21.8
Output $/M
$0.238
22
vs boards won of 74 shared

Decision reading

Pick Kimi K2.5 for coding: it scores 58.5 on the Vibe Coding Index against 34.0 for MiMo-V2.5.

Pick MiMo-V2.5 when output tokens cost 10.5x less, or when a solved task costs $0.01 against $0.24.

Model AKimi K2.5Moonshot AI58.5/1002 independent benchmarks$0.24 per solved taskModel BMiMo-V2.5Xiaomi34.0/1001 independent benchmark$0.01 per solved task
Shared results
74
Kimi K2.5 only
24
MiMo-V2.5 only
6
Like-for-like categories
8 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.

At a glance

Coding index
Kimi K2.5 58.5 from 2 benchmarks, MiMo-V2.5 34.0 from 1 benchmark.
Widest category
Agentic work, 9.9 points apart on average over 4 shared benchmarks.
Widest single gap
Excel Modeling Benchmark (Vals AI): Kimi K2.5 28.5% against MiMo-V2.5 55.1%, 26.6 points apart on a 0 to 100 scale.
Output price
Kimi K2.5 $2.50 against MiMo-V2.5 $0.238 per million output tokens, 10.5x apart.
Context window
Kimi K2.5 takes 262K 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
CategoryKimi K2.5BarsMiMo-V2.5Ties
Coding58
Intelligence10
Agentic work22
Reasoning81
Math20
Knowledge81
Web design17
General253
All shared boards5222
CodingLike-for-likeFour of these boards feed the Vibe Coding Index58
Coding benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
SWE-bench Verified70.8%Not measuredOnly Kimi K2.5 measured
SWE-bench Multilingual67.3%Not measuredOnly Kimi K2.5 measured
LMArena WebDev14371438MiMo-V2.5
AA Coding Index46.856.8MiMo-V2.5
LiveCodeBench (Vals AI)83.9%81.5%Kimi K2.5
SWE-bench Verified (Vals AI)70.0%71.0%MiMo-V2.5
Vibe Code Bench (Vals AI)17.5%42.2%MiMo-V2.5
Code migration (Vals AI)7.0%14.2%MiMo-V2.5
Terminal-Bench 2.1 (Vals AI)42.0%60.7%MiMo-V2.5
SciCodeNot measured43.9%Only MiMo-V2.5 measured
Terminal-Bench Hard (Artificial Analysis run)34.8%41.7%MiMo-V2.5
Terminal-Bench43.2%Not measuredOnly Kimi K2.5 measured
WeirdML45.6%Not measuredOnly Kimi K2.5 measured
ALE-Bench821.6514.0Kimi K2.5
LMArena Text: coding14831469Kimi K2.5
LMArena Text: software and IT14711463Kimi K2.5
LMArena WebDev: React14291425Kimi K2.5
LMArena WebDev: HTML14261429MiMo-V2.5
LMArena WebDev: from an image1439Not measuredOnly Kimi K2.5 measured
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
AA Intelligence Index23.521.8Kimi K2.5
Epoch Capabilities Index148.1Not measuredOnly Kimi K2.5 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index22
Agentic work benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
AA Agentic IndexNot measured15.8Only MiMo-V2.5 measured
Design Arena: agents building web apps1136Not measuredOnly Kimi K2.5 measured
Design Arena: agents building full-stack apps1114Not measuredOnly Kimi K2.5 measured
Design Arena: agents building mobile apps1147Not measuredOnly Kimi K2.5 measured
Design Arena: agents building Android apps1124Not measuredOnly Kimi K2.5 measured
Design Arena: agents building Godot games1219Not measuredOnly Kimi K2.5 measured
Finance Agent (Vals AI)35.8%36.7%MiMo-V2.5
Tax Agent Bench (Vals AI)Not measured7.8%Only MiMo-V2.5 measured
Legal Research Bench (Vals AI)15.9%9.1%Kimi K2.5
Excel Modeling Benchmark (Vals AI)28.5%55.1%MiMo-V2.5
τ²-Bench Telecom95.9%90.6%Kimi K2.5
OSWorld63.3%Not measuredOnly Kimi K2.5 measured
Vending-Bench 2$1,198Not measuredOnly Kimi K2.5 measured
Neither model has a result on the other 26 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index81
Reasoning benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
GPQA Diamond84.1%81.6%Kimi K2.5
MMMU Pro (Vals AI)84.3%80.0%Kimi K2.5
GPQA Diamond (Artificial Analysis run)87.9%84.9%Kimi K2.5
Humanity's Last Exam (Artificial Analysis run)30.7%27.2%Kimi K2.5
ARC-AGI65.3%Not measuredOnly Kimi K2.5 measured
ARC-AGI-211.8%Not measuredOnly Kimi K2.5 measured
SimpleBench46.8%Not measuredOnly Kimi K2.5 measured
LMArena Text: hard prompts14531450Kimi K2.5
LMArena Text: expert14661459Kimi K2.5
LMArena Text: hard prompts in English14601461MiMo-V2.5
LMArena Vision: diagrams12821269Kimi K2.5
LMArena Vision: homework12971262Kimi K2.5
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
AIME95.6%Not measuredOnly Kimi K2.5 measured
ProofBenchNot measured16.0%Only MiMo-V2.5 measured
LMArena Text: math14701436Kimi K2.5
LMArena Text: mathematical work14731451Kimi K2.5
Neither model has a result on the other 9 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index81
Knowledge benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
MMLU Pro85.9%82.9%Kimi K2.5
LegalBench (Vals AI)Not measured78.9%Only MiMo-V2.5 measured
CaseLaw (Vals AI)58.7%Not measuredOnly Kimi K2.5 measured
CorpFin (Vals AI)68.3%59.9%Kimi K2.5
TaxEval (Vals AI)74.2%71.8%Kimi K2.5
MortgageTax (Vals AI)66.5%59.3%Kimi K2.5
MedQA (Vals AI)94.4%Not measuredOnly Kimi K2.5 measured
MedCode (Vals AI)39.3%31.9%Kimi K2.5
SimpleQA Verified34.3%Not measuredOnly Kimi K2.5 measured
LMArena Text: science14591440Kimi K2.5
LMArena Text: medicine and healthcare14481432Kimi K2.5
LMArena Text: legal and government14411425Kimi K2.5
LMArena Text: business and finance14271432MiMo-V2.5
Neither model has a result on the other 4 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index17
Web design benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
Design Arena: websites12491266MiMo-V2.5
Design Arena: UI components12361257MiMo-V2.5
Design Arena: game dev12071249MiMo-V2.5
Design Arena: data viz12191249MiMo-V2.5
Design Arena: 3D12051216MiMo-V2.5
Design Arena: all code categories12361260MiMo-V2.5
Design Arena: SVG11491178MiMo-V2.5
Design Arena: ASCII art11651141Kimi K2.5
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index253
General benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-V2.5Leader
SAGE (Vals AI)49.9%43.3%Kimi K2.5
MedScribe (Vals AI)76.4%72.2%Kimi K2.5
Vals Multimodal IndexNot measured52.8%Only MiMo-V2.5 measured
IFBench70.2%67.1%Kimi K2.5
Long context reasoning (AA-LCR)78.0%73.0%Kimi K2.5
Fiction.LiveBench86.1%Not measuredOnly Kimi K2.5 measured
CL-bench19.3%Not measuredOnly Kimi K2.5 measured
CL-bench Life13.2%Not measuredOnly Kimi K2.5 measured
LMArena Text14451428Kimi K2.5
LMArena Text: instruction following14311435MiMo-V2.5
LMArena Text: creative writing14221393Kimi K2.5
LMArena Vision12691247Kimi K2.5
LMArena Text: English14531447Kimi K2.5
LMArena Text: non-English14331405Kimi K2.5
LMArena Text: Chinese14941469Kimi K2.5
LMArena Text: German14411421Kimi K2.5
LMArena Text: Japanese14231306Kimi K2.5
LMArena Text: Korean14121361Kimi K2.5
LMArena Text: French14541448Kimi K2.5
LMArena Text: Spanish14501414Kimi K2.5
LMArena Text: Russian14351396Kimi K2.5
LMArena Text: Polish14451413Kimi K2.5
LMArena Text: multi-turn14441445MiMo-V2.5
LMArena Text: longer queries14451445MiMo-V2.5
LMArena Text: writing and language14251409Kimi K2.5
LMArena Text: entertainment and media14171399Kimi K2.5
LMArena Vision: English12741259Kimi K2.5
LMArena Vision: Chinese13281326Kimi K2.5
LMArena Vision: reading text12761256Kimi K2.5
LMArena Vision: humor12841226Kimi K2.5
LMArena Vision: captioning1257Not measuredOnly Kimi K2.5 measured
LMArena Vision: recognizing things12851189Kimi K2.5
LMArena Vision: creative writing12691230Kimi K2.5
Neither model has a result on the other 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Kimi K2.5 and MiMo-V2.5
BenchmarkKimi K2.5MiMo-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

Kimi K2.5$0.0018Fits in one request
MiMo-V2.5$0.0002Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Kimi K2.5$0.033Fits in one request
MiMo-V2.5$0.0067Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Kimi K2.5$0.125Fits in one request
MiMo-V2.5$0.026Fits 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 Kimi K2.5 and MiMo-V2.5
SpecificationMoonshotAI Kimi K2.5Xiaomi MiMo-V2.5
MakerMoonshot AIXiaomi
WeightsOpen weightsOpen weights
ReleasedJanuary 27, 2026April 22, 2026
Context window262K1.05M
Input $/Mtok$0.50$0.119
Output $/Mtok$2.50$0.238
Coding index58.534.0
Independent measurements behind it21
Cost per solved task$0.24$0.01
SourceOpenRouter listingOpenRouter listing

Questions

Is Kimi K2.5 better than MiMo-V2.5 for coding?

Pick Kimi K2.5 for coding: it scores 58.5 on the Vibe Coding Index against 34.0 for MiMo-V2.5. Pick MiMo-V2.5 when output tokens cost 10.5x less, or when a solved task costs $0.01 against $0.24.

Which is cheaper, Kimi K2.5 or MiMo-V2.5?

Kimi K2.5 costs $0.50 per million input tokens and $2.50 per million output tokens; MiMo-V2.5 costs $0.119 and $0.238. Per solved SWE-bench Verified task, Kimi K2.5 costs $0.24 and MiMo-V2.5 $0.01.

Which has the bigger context window, Kimi K2.5 or MiMo-V2.5?

MiMo-V2.5, with 1.05M tokens against 262K.

How many benchmarks is the Kimi K2.5 vs MiMo-V2.5 comparison based on?

74 benchmarks have a result for both models as of October 21, 2026. Kimi K2.5's coding index rests on 2 independent benchmarks and MiMo-V2.5's on 1. Where only one model has a result, the page says so instead of naming a winner.

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