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Inkling Small vs MiMo-V2.5-Pro

MiMo-V2.5-Pro leads Inkling Small on coding, 31.6 to 27.3 on the Vibe Coding Index, and MiMo-V2.5-Pro costs 1.3x less per output token ($0.9152 vs $1.20 per million). Updated October 22, 2026; 56 benchmarks have a result for both.

Replace Inkling Small Replace MiMo-V2.5-Pro
T Inkling SmallThinking Machines
Coding
27.3
Overall
43.6
Output $/M
$1.20
13
MiMo-V2.5-ProXiaomi
Coding
31.6
Overall
39.3
Output $/M
$0.9152
43
vs boards won of 56 shared

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

Pick MiMo-V2.5-Pro for coding: it scores 31.6 on the Vibe Coding Index against 27.3 for Inkling Small.

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-V2.5-ProXiaomi31.6/1004 independent benchmarks$0.03 per solved task
Shared results
56
Inkling Small only
28
MiMo-V2.5-Pro 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-Pro 31.6 from 4 benchmarks.
Widest category
Math, 9.3 points apart on average over 3 shared benchmarks.
Widest single gap
Excel Modeling Benchmark (Vals AI): Inkling Small 31.8% against MiMo-V2.5-Pro 55.2%, 23.5 points apart on a 0 to 100 scale.
Output price
Inkling Small $1.20 against MiMo-V2.5-Pro $0.9152 per million output tokens, 1.3x apart.
Context window
Inkling Small takes 524K tokens, MiMo-V2.5-Pro 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-V2.5-ProTies
Coding211
Intelligence01
Agentic work32
Reasoning24
Math03
Knowledge54
General118
All shared boards1343
CodingLike-for-likeSix of these boards feed the Vibe Coding Index211
Coding benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
LMArena WebDev14091480MiMo-V2.5-Pro
AA Coding Index52.960.2MiMo-V2.5-Pro
LiveCodeBench (Vals AI)85.9%81.3%Inkling Small
SWE-bench Verified (Vals AI)82.2%74.0%Inkling Small
Terminal-Bench 4 (Vals AI)0.0%0.5%MiMo-V2.5-Pro
Vibe Code Bench (Vals AI)19.1%34.1%MiMo-V2.5-Pro
Code migration (Vals AI)13.7%21.6%MiMo-V2.5-Pro
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%57.3%MiMo-V2.5-Pro
SkillsBench (Vals AI)33.6%Not measuredOnly Inkling Small measured
CyberBench (Vals AI)64.1%Not measuredOnly Inkling Small measured
SciCode49.7%50.6%MiMo-V2.5-Pro
Terminal-Bench Hard (Artificial Analysis run)Not measured43.2%Only MiMo-V2.5-Pro measured
ALE-BenchNot measured899.8Only MiMo-V2.5-Pro measured
LMArena Text: coding14501501MiMo-V2.5-Pro
LMArena Text: software and IT14471495MiMo-V2.5-Pro
LMArena WebDev: React13991469MiMo-V2.5-Pro
LMArena WebDev: HTML13981473MiMo-V2.5-Pro
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 index01
Intelligence benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
AA Intelligence Index25.726.0MiMo-V2.5-Pro
Epoch Capabilities Index150.3Not measuredOnly Inkling Small measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index32
Agentic work benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
AA Agentic Index23.521.3Inkling Small
Finance Agent (Vals AI)41.3%41.5%MiMo-V2.5-Pro
Tax Agent Bench (Vals AI)15.4%11.5%Inkling Small
Legal Research Bench (Vals AI)25.5%15.9%Inkling Small
Harvey's Legal Agent Benchmark (Vals AI)2.9%Not measuredOnly Inkling Small measured
Excel Modeling Benchmark (Vals AI)31.8%55.2%MiMo-V2.5-Pro
τ²-Bench TelecomNot measured94.2%Only MiMo-V2.5-Pro measured
Neither model has a result on the other 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index24
Reasoning benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
GPQA Diamond83.6%82.6%Inkling Small
GPQA Diamond (Artificial Analysis run)89.5%86.6%Inkling Small
Humanity's Last Exam (Artificial Analysis run)33.3%35.7%MiMo-V2.5-Pro
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 prompts14231486MiMo-V2.5-Pro
LMArena Text: expert14411501MiMo-V2.5-Pro
LMArena Text: hard prompts in English14291494MiMo-V2.5-Pro
LMArena Vision: diagrams1251Not measuredOnly Inkling Small measured
LMArena Vision: homework1257Not measuredOnly Inkling Small measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
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%22.0%MiMo-V2.5-Pro
LMArena Text: math14591481MiMo-V2.5-Pro
LMArena Text: mathematical work14411491MiMo-V2.5-Pro
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index54
Knowledge benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
MMLU Pro85.6%84.6%Inkling Small
LegalBench (Vals AI)83.0%77.1%Inkling Small
CorpFin (Vals AI)69.6%61.4%Inkling Small
TaxEval (Vals AI)75.5%73.8%Inkling Small
MortgageTax (Vals AI)62.3%Not measuredOnly Inkling Small measured
MedCode (Vals AI)37.9%32.5%Inkling Small
SimpleQA Verified19.1%Not measuredOnly Inkling Small measured
LMArena Text: science14281482MiMo-V2.5-Pro
LMArena Text: medicine and healthcare14131473MiMo-V2.5-Pro
LMArena Text: legal and government14151474MiMo-V2.5-Pro
LMArena Text: business and finance14131466MiMo-V2.5-Pro
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-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
Design Arena: websitesNot measured1266Only MiMo-V2.5-Pro measured
Design Arena: UI componentsNot measured1246Only MiMo-V2.5-Pro measured
Design Arena: game devNot measured1261Only MiMo-V2.5-Pro measured
Design Arena: data vizNot measured1257Only MiMo-V2.5-Pro measured
Design Arena: 3DNot measured1243Only MiMo-V2.5-Pro measured
Design Arena: all code categoriesNot measured1265Only MiMo-V2.5-Pro measured
Design Arena: SVGNot measured1181Only MiMo-V2.5-Pro measured
Design Arena: ASCII artNot measured1156Only MiMo-V2.5-Pro measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index118
General benchmarks for Inkling Small and MiMo-V2.5-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
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%Not measuredOnly Inkling Small measured
MedScribe (Vals AI)84.1%83.7%Inkling Small
Vals Multimodal Index50.0%Not measuredOnly Inkling Small measured
IFBenchNot measured79.9%Only MiMo-V2.5-Pro measured
Long context reasoning (AA-LCR)75.7%79.7%MiMo-V2.5-Pro
DTBenchNot measured84.5%Only MiMo-V2.5-Pro measured
LMCANot measured29.5%Only MiMo-V2.5-Pro measured
LMArena Text14131464MiMo-V2.5-Pro
LMArena Text: instruction following13991475MiMo-V2.5-Pro
LMArena Text: creative writing13341438MiMo-V2.5-Pro
LMArena Vision1237Not measuredOnly Inkling Small measured
LMArena Text: English14211477MiMo-V2.5-Pro
LMArena Text: non-English14011448MiMo-V2.5-Pro
LMArena Text: Chinese14641507MiMo-V2.5-Pro
LMArena Text: German14081459MiMo-V2.5-Pro
LMArena Text: Japanese14011410MiMo-V2.5-Pro
LMArena Text: Korean13671435MiMo-V2.5-Pro
LMArena Text: French14351487MiMo-V2.5-Pro
LMArena Text: Spanish14221469MiMo-V2.5-Pro
LMArena Text: Russian13941449MiMo-V2.5-Pro
LMArena Text: Polish14281464MiMo-V2.5-Pro
LMArena Text: multi-turn14161476MiMo-V2.5-Pro
LMArena Text: longer queries14021481MiMo-V2.5-Pro
LMArena Text: writing and language13571451MiMo-V2.5-Pro
LMArena Text: entertainment and media13521438MiMo-V2.5-Pro
LMArena Vision: English1243Not measuredOnly Inkling Small measured
LMArena Vision: Chinese1292Not measuredOnly Inkling Small measured
LMArena Vision: reading text1243Not measuredOnly Inkling Small measured
LMArena Vision: humor1207Not measuredOnly Inkling Small measured
LMArena Vision: creative writing1205Not measuredOnly Inkling Small measured
Neither model has a result on the other 14 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-Pro
BenchmarkInkling SmallMiMo-V2.5-ProLeader
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-Pro$0.0009Fits in one request

MiMo-V2.5-Pro costs less

Repository review

50K input + 3K output tokens

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

MiMo-V2.5-Pro costs less

Agent loop

200K input + 10K output tokens

Inkling Small$0.102Fits in one request
MiMo-V2.5-Pro$0.101Fits in one request

MiMo-V2.5-Pro 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-Pro
SpecificationThinking Machines Inkling SmallXiaomi MiMo-V2.5-Pro
MakerThinking MachinesXiaomi
WeightsOpen weightsOpen weights
ReleasedJuly 30, 2026April 22, 2026
Context window524K1.05M
Input $/Mtok$0.45$0.4575
Output $/Mtok$1.20$0.9152
Coding index27.331.6
Independent measurements behind it44
Cost per solved task$0.16$0.03
SourceOpenRouter listingOpenRouter listing

Questions

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

Pick MiMo-V2.5-Pro for coding: it scores 31.6 on the Vibe Coding Index against 27.3 for Inkling Small. 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-Pro?

Inkling Small costs $0.45 per million input tokens and $1.20 per million output tokens; MiMo-V2.5-Pro costs $0.4575 and $0.9152. Per solved SWE-bench Verified task, Inkling Small costs $0.16 and MiMo-V2.5-Pro $0.03.

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

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

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

56 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-Pro's on 4. 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-pro">LLMBenchmark.ai, Inkling Small vs MiMo-V2.5-Pro</a></p>