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Gemini 3.5 Flash Lite vs Kimi K2.5

Gemini 3.5 Flash Lite leads Kimi K2.5 on coding, 49.0 to 38.6 on the Vibe Coding Index, at about the same output price ($2.50 vs $2.85 per million). Updated October 22, 2026; 66 benchmarks have a result for both.

Replace Gemini 3.5 Flash Lite Replace Kimi K2.5
Gemini 3.5 Flash LiteGoogle
Coding
49.0
Overall
49.8
Output $/M
$2.50
18
Kimi K2.5Moonshot AI
Coding
38.6
Overall
44.8
Output $/M
$2.85
48
vs boards won of 66 shared

Gemini 3.5 Flash Lite or Kimi K2.5: which to pick

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 38.6 for Kimi K2.5.

Pick Kimi K2.5 for a lower cost per solved task ($0.24 against $0.41) and work measured by LMArena WebDev or LiveCodeBench (Vals AI), where it leads.

Model AGemini 3.5 Flash LiteGoogle49.0/1003 independent benchmarks$0.41 per solved taskModel BKimi K2.5Moonshot AI38.6/1003 independent benchmarks$0.24 per solved task
Shared results
66
Gemini 3.5 Flash Lite only
19
Kimi K2.5 only
33
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
Gemini 3.5 Flash Lite 49.0 from 3 benchmarks, Kimi K2.5 38.6 from 3 benchmarks.
Widest category
Agentic work, 9.4 points apart on average over 3 shared benchmarks.
Widest single gap
Vibe Code Bench (Vals AI): Gemini 3.5 Flash Lite 37.2% against Kimi K2.5 17.5%, 19.6 points apart on a 0 to 100 scale.
Output price
Gemini 3.5 Flash Lite $2.50 against Kimi K2.5 $2.85 per million output tokens, 1.1x apart.
Context window
Gemini 3.5 Flash Lite takes 1.05M tokens, Kimi K2.5 262K.

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 3.5 Flash LiteBarsKimi K2.5Ties
Coding58
Intelligence02
Agentic work21
Reasoning110
Math02
Knowledge27
General818
All shared boards1848
CodingLike-for-likeSix of these boards feed the Vibe Coding Index58
Coding benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
SWE-bench VerifiedNot measured70.8%Only Kimi K2.5 measured
SWE-bench MultilingualNot measured67.3%Only Kimi K2.5 measured
LMArena WebDev14351437Kimi K2.5
AA Coding Index49.346.8Gemini 3.5 Flash Lite
LiveCodeBench (Vals AI)79.0%83.9%Kimi K2.5
SWE-bench Verified (Vals AI)75.0%70.0%Gemini 3.5 Flash Lite
Vibe Code Bench (Vals AI)37.2%17.5%Gemini 3.5 Flash Lite
Code migration (Vals AI)6.2%7.0%Kimi K2.5
ProgramBench (Vals AI)0.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Terminal-Bench 2.1 (Vals AI)50.2%42.0%Gemini 3.5 Flash Lite
CyberBench (Vals AI)59.1%Not measuredOnly Gemini 3.5 Flash Lite measured
SciCode41.3%Not measuredOnly Gemini 3.5 Flash Lite measured
Terminal-Bench Hard (Artificial Analysis run)Not measured34.8%Only Kimi K2.5 measured
Terminal-BenchNot measured43.2%Only Kimi K2.5 measured
WeirdML39.0%45.6%Kimi K2.5
ALE-Bench765.3821.6Kimi K2.5
LMArena Text: coding14531483Kimi K2.5
LMArena Text: software and IT14511471Kimi K2.5
LMArena WebDev: React14081429Kimi K2.5
LMArena WebDev: HTMLNot measured1426Only Kimi K2.5 measured
LMArena WebDev: from an image14481439Gemini 3.5 Flash Lite
SciCode6.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 17 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
AA Intelligence Index22.223.5Kimi K2.5
Epoch Capabilities Index144.9148.1Kimi K2.5
Agentic workLike-for-likePublic boards, shown as published, kept out of the index21
Agentic work benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
AA Agentic Index14.3Not measuredOnly Gemini 3.5 Flash Lite measured
Design Arena: agents building web appsNot measured1136Only Kimi K2.5 measured
Design Arena: agents building full-stack appsNot measured1114Only Kimi K2.5 measured
Design Arena: agents building mobile appsNot measured1147Only Kimi K2.5 measured
Design Arena: agents building Android appsNot measured1118Only Kimi K2.5 measured
Design Arena: agents building Godot gamesNot measured1219Only Kimi K2.5 measured
Finance Agent (Vals AI)47.4%35.8%Gemini 3.5 Flash Lite
Tax Agent Bench (Vals AI)7.2%Not measuredOnly Gemini 3.5 Flash Lite measured
Legal Research Bench (Vals AI)13.9%15.9%Kimi K2.5
Excel Modeling Benchmark (Vals AI)43.2%28.5%Gemini 3.5 Flash Lite
τ²-Bench TelecomNot measured95.9%Only Kimi K2.5 measured
APEX-Agents29.3%Not measuredOnly Gemini 3.5 Flash Lite measured
OSWorldNot measured63.3%Only Kimi K2.5 measured
Vending-Bench 2Not measured$1,198Only Kimi K2.5 measured
Neither model has a result on the other 27 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index110
Reasoning benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
GPQA Diamond83.8%84.1%Kimi K2.5
MMMU Pro (Vals AI)83.6%84.3%Kimi K2.5
GPQA Diamond (Artificial Analysis run)83.8%87.9%Kimi K2.5
Humanity's Last Exam (Artificial Analysis run)18.8%30.7%Kimi K2.5
GPQA Diamond (Epoch AI run)83.3%Not measuredOnly Gemini 3.5 Flash Lite measured
ARC-AGI53.5%65.3%Kimi K2.5
ARC-AGI-210.3%11.8%Kimi K2.5
SimpleBenchNot measured46.8%Only Kimi K2.5 measured
Chess puzzles21.0%Not measuredOnly Gemini 3.5 Flash Lite measured
Mystery game puzzles19.0%Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena Text: hard prompts14411453Kimi K2.5
LMArena Text: expert14341466Kimi K2.5
LMArena Text: hard prompts in English14401460Kimi K2.5
LMArena Vision: diagrams12841282Gemini 3.5 Flash Lite
LMArena Vision: homework12911297Kimi K2.5
Kagi LLM BenchmarkNot measured78.5%Only Kimi K2.5 measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
AIMENot measured95.6%Only Kimi K2.5 measured
OTIS Mock AIME71.1%Not measuredOnly Gemini 3.5 Flash Lite measured
FrontierMath, tiers 1 to 326.0%Not measuredOnly Gemini 3.5 Flash Lite measured
FrontierMath, tier 40.0%Not measuredOnly Gemini 3.5 Flash Lite measured
ProofBench13.0%Not measuredOnly Gemini 3.5 Flash Lite measured
LMArena Text: math14341470Kimi K2.5
LMArena Text: mathematical work14331473Kimi K2.5
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index27
Knowledge benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
MMLU Pro85.8%85.9%Kimi K2.5
LegalBench (Vals AI)84.1%Not measuredOnly Gemini 3.5 Flash Lite measured
CaseLaw (Vals AI)Not measured58.7%Only Kimi K2.5 measured
CorpFin (Vals AI)60.7%68.3%Kimi K2.5
TaxEval (Vals AI)72.6%74.2%Kimi K2.5
MortgageTax (Vals AI)68.7%66.5%Gemini 3.5 Flash Lite
MedQA (Vals AI)Not measured94.4%Only Kimi K2.5 measured
MedCode (Vals AI)43.5%39.3%Gemini 3.5 Flash Lite
SimpleQA VerifiedNot measured34.3%Only Kimi K2.5 measured
LMArena Text: science14511459Kimi K2.5
LMArena Text: medicine and healthcare14381448Kimi K2.5
LMArena Text: legal and government14311441Kimi K2.5
LMArena Text: business and finance14231427Kimi K2.5
FACTS Benchmark Suite53.5%Not measuredOnly Gemini 3.5 Flash Lite measured
Neither model has a result on the other 4 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
Design Arena: websitesNot measured1248Only Kimi K2.5 measured
Design Arena: UI componentsNot measured1234Only Kimi K2.5 measured
Design Arena: game devNot measured1206Only Kimi K2.5 measured
Design Arena: data vizNot measured1219Only Kimi K2.5 measured
Design Arena: 3DNot measured1204Only Kimi K2.5 measured
Design Arena: all code categoriesNot measured1236Only Kimi K2.5 measured
Design Arena: SVGNot measured1149Only Kimi K2.5 measured
Design Arena: ASCII artNot measured1166Only Kimi K2.5 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index818
General benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
Public Benefits Bench (Vals AI)51.8%Not measuredOnly Gemini 3.5 Flash Lite measured
SAGE (Vals AI)47.3%49.9%Kimi K2.5
MedScribe (Vals AI)70.9%76.4%Kimi K2.5
IFBenchNot measured70.2%Only Kimi K2.5 measured
Long context reasoning (AA-LCR)76.0%78.0%Kimi K2.5
DTBench83.5%Not measuredOnly Gemini 3.5 Flash Lite measured
LMCA37.6%Not measuredOnly Gemini 3.5 Flash Lite measured
Fiction.LiveBenchNot measured86.1%Only Kimi K2.5 measured
CL-benchNot measured19.3%Only Kimi K2.5 measured
CL-bench LifeNot measured13.2%Only Kimi K2.5 measured
LMArena Text14351445Kimi K2.5
LMArena Text: instruction following14191431Kimi K2.5
LMArena Text: creative writing14211422Kimi K2.5
LMArena Vision12691269Gemini 3.5 Flash Lite
LMArena Text: English14381453Kimi K2.5
LMArena Text: non-English14271433Kimi K2.5
LMArena Text: Chinese14681494Kimi K2.5
LMArena Text: German14541441Gemini 3.5 Flash Lite
LMArena Text: Japanese14261423Gemini 3.5 Flash Lite
LMArena Text: Korean14071412Kimi K2.5
LMArena Text: French14511454Kimi K2.5
LMArena Text: Spanish14411450Kimi K2.5
LMArena Text: Russian14431435Gemini 3.5 Flash Lite
LMArena Text: Polish14371445Kimi K2.5
LMArena Text: multi-turn14451444Gemini 3.5 Flash Lite
LMArena Text: longer queries14351445Kimi K2.5
LMArena Text: writing and language14281425Gemini 3.5 Flash Lite
LMArena Text: entertainment and media14141417Kimi K2.5
LMArena Vision: English12691274Kimi K2.5
LMArena Vision: Chinese13111328Kimi K2.5
LMArena Vision: reading text12801276Gemini 3.5 Flash Lite
LMArena Vision: humor12871284Gemini 3.5 Flash Lite
LMArena Vision: captioningNot measured1257Only Kimi K2.5 measured
LMArena Vision: recognizing thingsNot measured1285Only Kimi K2.5 measured
LMArena Vision: creative writing12601269Kimi K2.5
Neither model has a result on the other 11 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 3.5 Flash Lite and Kimi K2.5
BenchmarkGemini 3.5 Flash LiteKimi K2.5Leader
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

Gemini 3.5 Flash Lite$0.0015Fits in one request
Kimi K2.5$0.0020Fits in one request

Gemini 3.5 Flash Lite costs less

Repository review

50K input + 3K output tokens

Gemini 3.5 Flash Lite$0.022Fits in one request
Kimi K2.5$0.035Fits in one request

Gemini 3.5 Flash Lite costs less

Agent loop

200K input + 10K output tokens

Gemini 3.5 Flash Lite$0.085Fits in one request
Kimi K2.5$0.135Fits in one request

Gemini 3.5 Flash Lite 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 3.5 Flash Lite and Kimi K2.5
SpecificationGoogle Gemini 3.5 Flash LiteMoonshotAI Kimi K2.5
MakerGoogleMoonshot AI
WeightsNo public weights listedOpen weights
ReleasedJuly 21, 2026January 27, 2026
Context window1.05M262K
Input $/Mtok$0.30$0.532
Output $/Mtok$2.50$2.85
Coding index49.038.6
Independent measurements behind it33
Cost per solved task$0.41$0.24
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 3.5 Flash Lite better than Kimi K2.5 for coding?

Pick Gemini 3.5 Flash Lite for coding: it scores 49.0 on the Vibe Coding Index against 38.6 for Kimi K2.5. Pick Kimi K2.5 for a lower cost per solved task ($0.24 against $0.41) and work measured by LMArena WebDev or LiveCodeBench (Vals AI), where it leads.

Which is cheaper, Gemini 3.5 Flash Lite or Kimi K2.5?

Gemini 3.5 Flash Lite costs $0.30 per million input tokens and $2.50 per million output tokens; Kimi K2.5 costs $0.532 and $2.85. Per solved SWE-bench Verified task, Gemini 3.5 Flash Lite costs $0.41 and Kimi K2.5 $0.24.

Which has the bigger context window, Gemini 3.5 Flash Lite or Kimi K2.5?

Gemini 3.5 Flash Lite, with 1.05M tokens against 262K.

How many benchmarks is the Gemini 3.5 Flash Lite vs Kimi K2.5 comparison based on?

66 benchmarks have a result for both models as of October 22, 2026. Gemini 3.5 Flash Lite's coding index rests on 3 independent benchmarks and Kimi K2.5'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/gemini-3-5-flash-lite-vs-kimi-k2-5">LLMBenchmark.ai, Gemini 3.5 Flash Lite vs Kimi K2.5</a></p>