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Gemini 3.1 Flash Lite Preview vs MiMo-V2.5-Pro

Updated October 21, 2026. 59 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Gemini 3.1 Flash Lite Preview Replace MiMo-V2.5-Pro
Gemini 3.1 Flash Lite PreviewGoogle
Coding
8.1
Overall
15.6
Output $/M
$1.50
5
MiMo-V2.5-ProXiaomi
Coding
40.0
Overall
26.0
Output $/M
$0.609
54
vs boards won of 59 shared

Decision reading

Pick MiMo-V2.5-Pro for coding: it scores 40.0 on the Vibe Coding Index against 8.1 for Gemini 3.1 Flash Lite Preview.

Pick Gemini 3.1 Flash Lite Preview when what matters is MMLU Pro or LegalBench (Vals AI), where it leads.

Model AGemini 3.1 Flash Lite PreviewGoogle8.1/1001 independent benchmark$0.18 per solved taskModel BMiMo-V2.5-ProXiaomi40.0/1001 independent benchmark$0.03 per solved task
Shared results
59
Gemini 3.1 Flash Lite Preview only
18
MiMo-V2.5-Pro only
11
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
Gemini 3.1 Flash Lite Preview 8.1 from 1 benchmark, MiMo-V2.5-Pro 40.0 from 1 benchmark.
Widest category
Web design, 20.8 points apart on average over 8 shared benchmarks.
Widest single gap
Excel Modeling Benchmark (Vals AI): Gemini 3.1 Flash Lite Preview 8.6% against MiMo-V2.5-Pro 55.2%, 46.6 points apart on a 0 to 100 scale.
Output price
Gemini 3.1 Flash Lite Preview $1.50 against MiMo-V2.5-Pro $0.609 per million output tokens, 2.5x apart.
Context window
Gemini 3.1 Flash Lite Preview takes 1.05M 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
CategoryGemini 3.1 Flash Lite PreviewBarsMiMo-V2.5-ProTies
Coding012
Intelligence01
Agentic work05
Reasoning04
Math02
Knowledge36
Web design17
General117
All shared boards554
CodingLike-for-likeFour of these boards feed the Vibe Coding Index012
Coding benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
LMArena WebDev12571480MiMo-V2.5-Pro
AA Coding Index34.760.2MiMo-V2.5-Pro
LiveCodeBench (Vals AI)80.1%81.3%MiMo-V2.5-Pro
SWE-bench Verified (Vals AI)62.8%74.0%MiMo-V2.5-Pro
Terminal-Bench 4 (Vals AI)Not measured0.5%Only MiMo-V2.5-Pro measured
Vibe Code Bench (Vals AI)0.0%34.1%MiMo-V2.5-Pro
Code migration (Vals AI)4.6%21.6%MiMo-V2.5-Pro
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Terminal-Bench 2.1 (Vals AI)34.1%57.3%MiMo-V2.5-Pro
SciCodeNot measured50.6%Only MiMo-V2.5-Pro measured
Terminal-Bench Hard (Artificial Analysis run)Not measured43.2%Only MiMo-V2.5-Pro measured
ALE-Bench797.7899.8MiMo-V2.5-Pro
LMArena Text: coding14001501MiMo-V2.5-Pro
LMArena Text: software and IT14131495MiMo-V2.5-Pro
LMArena WebDev: React12451469MiMo-V2.5-Pro
LMArena WebDev: HTML12761473MiMo-V2.5-Pro
LMArena WebDev: from an image1336Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
AA Intelligence Index15.626.0MiMo-V2.5-Pro
Neither model has a result on the other 1 board here
Agentic workLike-for-likePublic boards, shown as published, kept out of the index05
Agentic work benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
AA Agentic Index1.621.3MiMo-V2.5-Pro
Finance Agent (Vals AI)30.0%41.5%MiMo-V2.5-Pro
Tax Agent Bench (Vals AI)3.1%11.5%MiMo-V2.5-Pro
Legal Research Bench (Vals AI)3.4%15.9%MiMo-V2.5-Pro
Excel Modeling Benchmark (Vals AI)8.6%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 33 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index04
Reasoning benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
GPQA Diamond81.1%82.6%MiMo-V2.5-Pro
MMMU Pro (Vals AI)82.5%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
GPQA Diamond (Artificial Analysis run)Not measured86.6%Only MiMo-V2.5-Pro measured
Humanity's Last Exam (Artificial Analysis run)Not measured35.7%Only MiMo-V2.5-Pro measured
LMArena Text: hard prompts14071486MiMo-V2.5-Pro
LMArena Text: expert13981501MiMo-V2.5-Pro
LMArena Text: hard prompts in English14031494MiMo-V2.5-Pro
LMArena Vision: diagrams1242Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: homework1271Not measuredOnly Gemini 3.1 Flash Lite Preview measured
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
AIME83.3%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
ProofBenchNot measured22.0%Only MiMo-V2.5-Pro measured
LMArena Text: math14281481MiMo-V2.5-Pro
LMArena Text: mathematical work14171491MiMo-V2.5-Pro
Neither model has a result on the other 9 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index36
Knowledge benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
MMLU Pro86.2%84.6%Gemini 3.1 Flash Lite Preview
LegalBench (Vals AI)83.8%77.1%Gemini 3.1 Flash Lite Preview
CaseLaw (Vals AI)55.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
CorpFin (Vals AI)59.4%61.4%MiMo-V2.5-Pro
TaxEval (Vals AI)71.8%73.8%MiMo-V2.5-Pro
MortgageTax (Vals AI)68.0%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MedCode (Vals AI)47.6%32.5%Gemini 3.1 Flash Lite Preview
LMArena Text: science14251482MiMo-V2.5-Pro
LMArena Text: medicine and healthcare14281473MiMo-V2.5-Pro
LMArena Text: legal and government14181474MiMo-V2.5-Pro
LMArena Text: business and finance13891466MiMo-V2.5-Pro
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index17
Web design benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
Design Arena: websites10831267MiMo-V2.5-Pro
Design Arena: UI components10711248MiMo-V2.5-Pro
Design Arena: game dev10291261MiMo-V2.5-Pro
Design Arena: data viz10451257MiMo-V2.5-Pro
Design Arena: 3D10481244MiMo-V2.5-Pro
Design Arena: all code categories10721266MiMo-V2.5-Pro
Design Arena: SVG10521181MiMo-V2.5-Pro
Design Arena: ASCII art11661157Gemini 3.1 Flash Lite Preview
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index117
General benchmarks for Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-V2.5-ProLeader
SAGE (Vals AI)49.5%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
MedScribe (Vals AI)63.9%83.7%MiMo-V2.5-Pro
Vals Multimodal Index41.4%Not measuredOnly Gemini 3.1 Flash Lite Preview measured
IFBenchNot measured79.9%Only MiMo-V2.5-Pro measured
Long context reasoning (AA-LCR)Not measured79.7%Only MiMo-V2.5-Pro measured
DTBenchNot measured84.5%Only MiMo-V2.5-Pro measured
LMCANot measured29.5%Only MiMo-V2.5-Pro measured
LMArena Text14161464MiMo-V2.5-Pro
LMArena Text: instruction following13771475MiMo-V2.5-Pro
LMArena Text: creative writing14011438MiMo-V2.5-Pro
LMArena Vision1240Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Text: English14141477MiMo-V2.5-Pro
LMArena Text: non-English14101448MiMo-V2.5-Pro
LMArena Text: Chinese14601507MiMo-V2.5-Pro
LMArena Text: German14301459MiMo-V2.5-Pro
LMArena Text: Japanese14131410Gemini 3.1 Flash Lite Preview
LMArena Text: Korean13921435MiMo-V2.5-Pro
LMArena Text: French14241487MiMo-V2.5-Pro
LMArena Text: Spanish14211469MiMo-V2.5-Pro
LMArena Text: Russian14201449MiMo-V2.5-Pro
LMArena Text: Polish14431464MiMo-V2.5-Pro
LMArena Text: multi-turn14171476MiMo-V2.5-Pro
LMArena Text: longer queries13941481MiMo-V2.5-Pro
LMArena Text: writing and language14081451MiMo-V2.5-Pro
LMArena Text: entertainment and media13861438MiMo-V2.5-Pro
LMArena Vision: English1232Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: Chinese1278Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: reading text1246Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: humor1266Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: captioning1259Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: recognizing things1308Not measuredOnly Gemini 3.1 Flash Lite Preview measured
LMArena Vision: creative writing1248Not measuredOnly Gemini 3.1 Flash Lite Preview 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 Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
BenchmarkGemini 3.1 Flash Lite PreviewMiMo-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

Gemini 3.1 Flash Lite Preview$0.0010Fits in one request
MiMo-V2.5-Pro$0.0006Fits in one request

MiMo-V2.5-Pro costs less

Repository review

50K input + 3K output tokens

Gemini 3.1 Flash Lite Preview$0.017Fits in one request
MiMo-V2.5-Pro$0.017Fits in one request

Gemini 3.1 Flash Lite Preview costs less

Agent loop

200K input + 10K output tokens

Gemini 3.1 Flash Lite Preview$0.065Fits in one request
MiMo-V2.5-Pro$0.067Fits in one request

Gemini 3.1 Flash Lite Preview 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 Gemini 3.1 Flash Lite Preview and MiMo-V2.5-Pro
SpecificationGoogle Gemini 3.1 Flash Lite PreviewXiaomi MiMo-V2.5-Pro
MakerGoogleXiaomi
WeightsNo public weights listedOpen weights
ReleasedMarch 3, 2026April 22, 2026
Context window1.05M1.05M
Input $/Mtok$0.25$0.3045
Output $/Mtok$1.50$0.609
Coding index8.140.0
Independent measurements behind it11
Cost per solved task$0.18$0.03
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.1 Flash Lite Preview better than MiMo-V2.5-Pro for coding?

Pick MiMo-V2.5-Pro for coding: it scores 40.0 on the Vibe Coding Index against 8.1 for Gemini 3.1 Flash Lite Preview. Pick Gemini 3.1 Flash Lite Preview when what matters is MMLU Pro or LegalBench (Vals AI), where it leads.

Which is cheaper, Gemini 3.1 Flash Lite Preview or MiMo-V2.5-Pro?

Gemini 3.1 Flash Lite Preview costs $0.25 per million input tokens and $1.50 per million output tokens; MiMo-V2.5-Pro costs $0.3045 and $0.609. Per solved SWE-bench Verified task, Gemini 3.1 Flash Lite Preview costs $0.18 and MiMo-V2.5-Pro $0.03.

Which has the bigger context window, Gemini 3.1 Flash Lite Preview or MiMo-V2.5-Pro?

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

How many benchmarks is the Gemini 3.1 Flash Lite Preview vs MiMo-V2.5-Pro comparison based on?

59 benchmarks have a result for both models as of October 21, 2026. Gemini 3.1 Flash Lite Preview's coding index rests on 1 independent benchmark and MiMo-V2.5-Pro's on 1. Where only one model has a result, the page says so instead of naming a winner.

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