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Inkling Small vs MiMo-V2.5

MiMo-V2.5 leads Inkling Small on coding, 50.0 to 27.3 on the Vibe Coding Index, and MiMo-V2.5 costs 3.6x less per output token ($0.336 vs $1.20 per million). Updated October 22, 2026; 66 benchmarks have a result for both.

Replace Inkling Small Replace MiMo-V2.5
T Inkling SmallThinking Machines
Coding
27.3
Overall
43.6
Output $/M
$1.20
24
MiMo-V2.5Xiaomi
Coding
50.0
Overall
50.7
Output $/M
$0.336
42
vs boards won of 66 shared

Inkling Small or MiMo-V2.5: which to pick

Pick MiMo-V2.5 for coding: it scores 50.0 on the Vibe Coding Index against 27.3 for Inkling Small, though on 3 benchmarks against 4.

Pick Inkling Small for work measured by LiveCodeBench (Vals AI) or SWE-bench Verified (Vals AI), where it leads.

Model AInkling SmallThinking Machines27.3/1004 independent benchmarks$0.16 per solved taskModel BMiMo-V2.5Xiaomi50.0/1003 independent benchmarks$0.01 per solved task
Shared results
66
Inkling Small only
18
MiMo-V2.5 only
14
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
Inkling Small 27.3 from 4 benchmarks, MiMo-V2.5 50.0 from 3 benchmarks.
Widest category
Agentic work, 11.9 points apart on average over 5 shared benchmarks.
Widest single gap
Excel Modeling Benchmark (Vals AI): Inkling Small 31.8% against MiMo-V2.5 55.1%, 23.3 points apart on a 0 to 100 scale.
Output price
Inkling Small $1.20 against MiMo-V2.5 $0.336 per million output tokens, 3.6x apart.
Context window
Inkling Small takes 524K 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
CategoryInkling SmallBarsMiMo-V2.5Ties
Coding39
Intelligence10
Agentic work41
Reasoning35
Math12
Knowledge64
General621
All shared boards2442
CodingLike-for-likeSix of these boards feed the Vibe Coding Index39
Coding benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
LMArena WebDev14091438MiMo-V2.5
AA Coding Index52.956.8MiMo-V2.5
LiveCodeBench (Vals AI)85.9%81.5%Inkling Small
SWE-bench Verified (Vals AI)82.2%71.0%Inkling Small
Terminal-Bench 4 (Vals AI)0.0%Not measuredOnly Inkling Small measured
Vibe Code Bench (Vals AI)19.1%42.2%MiMo-V2.5
Code migration (Vals AI)13.7%14.2%MiMo-V2.5
ProgramBench (Vals AI)0.5%Not measuredOnly Inkling Small measured
IOI (Vals AI)9.3%Not measuredOnly Inkling Small measured
Terminal-Bench 2.1 (Vals AI)55.1%60.7%MiMo-V2.5
SkillsBench (Vals AI)33.6%Not measuredOnly Inkling Small measured
CyberBench (Vals AI)64.1%Not measuredOnly Inkling Small measured
SciCode49.7%43.9%Inkling Small
Terminal-Bench Hard (Artificial Analysis run)Not measured41.7%Only MiMo-V2.5 measured
ALE-BenchNot measured514.0Only MiMo-V2.5 measured
LMArena Text: coding14501469MiMo-V2.5
LMArena Text: software and IT14471463MiMo-V2.5
LMArena WebDev: React13991425MiMo-V2.5
LMArena WebDev: HTML13981429MiMo-V2.5
LMArena WebDev: from an image1410Not measuredOnly Inkling Small 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 Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
AA Intelligence Index25.721.8Inkling Small
Epoch Capabilities Index150.3Not measuredOnly Inkling Small measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index41
Agentic work benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
AA Agentic Index23.515.8Inkling Small
Finance Agent (Vals AI)41.3%36.7%Inkling Small
Tax Agent Bench (Vals AI)15.4%7.8%Inkling Small
Legal Research Bench (Vals AI)25.5%9.1%Inkling Small
Harvey's Legal Agent Benchmark (Vals AI)2.9%Not measuredOnly Inkling Small measured
Excel Modeling Benchmark (Vals AI)31.8%55.1%MiMo-V2.5
τ²-Bench TelecomNot measured90.6%Only MiMo-V2.5 measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index35
Reasoning benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
GPQA Diamond83.6%81.6%Inkling Small
MMMU Pro (Vals AI)Not measured80.0%Only MiMo-V2.5 measured
GPQA Diamond (Artificial Analysis run)89.5%84.9%Inkling Small
Humanity's Last Exam (Artificial Analysis run)33.3%27.2%Inkling Small
GPQA Diamond (Epoch AI run)88.5%Not measuredOnly Inkling Small measured
ARC-AGI84.0%Not measuredOnly Inkling Small measured
ARC-AGI-240.1%Not measuredOnly Inkling Small measured
Mystery game puzzles6.0%Not measuredOnly Inkling Small measured
LMArena Text: hard prompts14231450MiMo-V2.5
LMArena Text: expert14411459MiMo-V2.5
LMArena Text: hard prompts in English14291461MiMo-V2.5
LMArena Vision: diagrams12511269MiMo-V2.5
LMArena Vision: homework12571262MiMo-V2.5
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
OTIS Mock AIME90.0%Not measuredOnly Inkling Small measured
FrontierMath, tiers 1 to 346.3%Not measuredOnly Inkling Small measured
FrontierMath, tier 417.1%Not measuredOnly Inkling Small measured
ProofBench6.0%16.0%MiMo-V2.5
LMArena Text: math14591436Inkling Small
LMArena Text: mathematical work14411451MiMo-V2.5
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index64
Knowledge benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
MMLU Pro85.6%82.9%Inkling Small
LegalBench (Vals AI)83.0%78.9%Inkling Small
CorpFin (Vals AI)69.6%59.9%Inkling Small
TaxEval (Vals AI)75.5%71.8%Inkling Small
MortgageTax (Vals AI)62.3%59.3%Inkling Small
MedCode (Vals AI)37.9%31.9%Inkling Small
SimpleQA Verified19.1%Not measuredOnly Inkling Small measured
LMArena Text: science14281440MiMo-V2.5
LMArena Text: medicine and healthcare14131432MiMo-V2.5
LMArena Text: legal and government14151425MiMo-V2.5
LMArena Text: business and finance14131432MiMo-V2.5
Neither model has a result on the other 7 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-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 index621
General benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-V2.5Leader
Vals Index27.6%Not measuredOnly Inkling Small measured
Public Benefits Bench (Vals AI)59.4%Not measuredOnly Inkling Small measured
SAGE (Vals AI)32.7%43.3%MiMo-V2.5
MedScribe (Vals AI)84.1%72.2%Inkling Small
Vals Multimodal Index50.0%52.8%MiMo-V2.5
IFBenchNot measured67.1%Only MiMo-V2.5 measured
Long context reasoning (AA-LCR)75.7%73.0%Inkling Small
LMArena Text14131428MiMo-V2.5
LMArena Text: instruction following13991435MiMo-V2.5
LMArena Text: creative writing13341393MiMo-V2.5
LMArena Vision12371247MiMo-V2.5
LMArena Text: English14211447MiMo-V2.5
LMArena Text: non-English14011405MiMo-V2.5
LMArena Text: Chinese14641469MiMo-V2.5
LMArena Text: German14081421MiMo-V2.5
LMArena Text: Japanese14011306Inkling Small
LMArena Text: Korean13671361Inkling Small
LMArena Text: French14351448MiMo-V2.5
LMArena Text: Spanish14221414Inkling Small
LMArena Text: Russian13941396MiMo-V2.5
LMArena Text: Polish14281413Inkling Small
LMArena Text: multi-turn14161445MiMo-V2.5
LMArena Text: longer queries14021445MiMo-V2.5
LMArena Text: writing and language13571409MiMo-V2.5
LMArena Text: entertainment and media13521399MiMo-V2.5
LMArena Vision: English12431259MiMo-V2.5
LMArena Vision: Chinese12921326MiMo-V2.5
LMArena Vision: reading text12431256MiMo-V2.5
LMArena Vision: humor12071226MiMo-V2.5
LMArena Vision: recognizing thingsNot measured1189Only MiMo-V2.5 measured
LMArena Vision: creative writing12051230MiMo-V2.5
Neither model has a result on the other 15 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Inkling Small and MiMo-V2.5
BenchmarkInkling SmallMiMo-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

Inkling Small$0.0010Fits in one request
MiMo-V2.5$0.0003Fits in one request

MiMo-V2.5 costs less

Repository review

50K input + 3K output tokens

Inkling Small$0.026Fits in one request
MiMo-V2.5$0.0094Fits in one request

MiMo-V2.5 costs less

Agent loop

200K input + 10K output tokens

Inkling Small$0.102Fits in one request
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 Inkling Small and MiMo-V2.5
SpecificationThinking Machines Inkling SmallXiaomi MiMo-V2.5
MakerThinking MachinesXiaomi
WeightsOpen weightsOpen weights
ReleasedJuly 30, 2026April 22, 2026
Context window524K1.05M
Input $/Mtok$0.45$0.168
Output $/Mtok$1.20$0.336
Coding index27.350.0
Independent measurements behind it43
Cost per solved task$0.16$0.01
SourceOpenRouter listingOpenRouter listing

Questions

Is Inkling Small better than MiMo-V2.5 for coding?

Pick MiMo-V2.5 for coding: it scores 50.0 on the Vibe Coding Index against 27.3 for Inkling Small, though on 3 benchmarks against 4. Pick Inkling Small for work measured by LiveCodeBench (Vals AI) or SWE-bench Verified (Vals AI), where it leads.

Which is cheaper, Inkling Small or MiMo-V2.5?

Inkling Small costs $0.45 per million input tokens and $1.20 per million output tokens; MiMo-V2.5 costs $0.168 and $0.336. Per solved SWE-bench Verified task, Inkling Small costs $0.16 and MiMo-V2.5 $0.01.

Which has the bigger context window, Inkling Small or MiMo-V2.5?

MiMo-V2.5, with 1.05M tokens against 524K.

How many benchmarks is the Inkling Small vs MiMo-V2.5 comparison based on?

66 benchmarks have a result for both models as of October 22, 2026. Inkling Small's coding index rests on 4 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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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/thinkingmachines-inkling-small-vs-xiaomi-mimo-v2-5">LLMBenchmark.ai, Inkling Small vs MiMo-V2.5</a></p>