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GPT-4.1 Mini vs Kimi K2.6

Kimi K2.6 leads GPT-4.1 Mini on the Artificial Analysis Intelligence Index, 27.0 to 10.2, and GPT-4.1 Mini costs 2.5x less per output token ($1.60 vs $4.00 per million). Updated October 22, 2026; 68 benchmarks have a result for both.

Replace GPT-4.1 Mini Replace Kimi K2.6
GPT-4.1 MiniOpenAI
Coding
No data
Overall
31.9
Output $/M
$1.60
0
Kimi K2.6Moonshot AI
Coding
52.1
Overall
60.5
Output $/M
$4.00
68
vs boards won of 68 shared

GPT-4.1 Mini or Kimi K2.6: which to pick

Only Kimi K2.6 has a coding score, 52.1 on the Vibe Coding Index; GPT-4.1 Mini has none, so the two cannot be ranked on coding.

Pick GPT-4.1 Mini for output tokens 2.5x cheaper ($1.60 vs $4.00 per million) and a larger context window (1.05M against 262K tokens).

Model AGPT-4.1 MiniOpenAINot benchmarkedNo coding benchmark$1.818 per solved taskModel BKimi K2.6Moonshot AI52.1/1003 independent benchmarks$0.35 per solved task
Shared results
68
GPT-4.1 Mini only
18
Kimi K2.6 only
41
Like-for-like categories
8 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
GPT-4.1 Mini not benchmarked, Kimi K2.6 52.1 from 3 benchmarks.
Widest category
Agentic work, 43.0 points apart on average over 1 shared benchmark.
Widest single gap
Design Arena: 3D: GPT-4.1 Mini 836 against Kimi K2.6 1267, 53.9 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Mini $1.60 against Kimi K2.6 $4.00 per million output tokens, 2.5x apart.
Context window
GPT-4.1 Mini takes 1.05M tokens, Kimi K2.6 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
CategoryGPT-4.1 MiniBarsKimi K2.6Ties
Coding06
Intelligence02
Agentic work01
Reasoning012
Math04
Knowledge010
Web design06
General027
All shared boards068
CodingLike-for-likeSix of these boards feed the Vibe Coding Index06
Coding benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
Aider polyglot32.4%Not measuredOnly GPT-4.1 Mini measured
SWE-bench Verified23.9%Not measuredOnly GPT-4.1 Mini measured
LMArena WebDevNot measured1509Only Kimi K2.6 measured
AA Coding Index20.261.8Kimi K2.6
LiveCodeBench (Vals AI)58.2%86.8%Kimi K2.6
SWE-bench Verified (Vals AI)Not measured76.2%Only Kimi K2.6 measured
Vibe Code Bench (Vals AI)Not measured37.9%Only Kimi K2.6 measured
Code migration (Vals AI)Not measured27.8%Only Kimi K2.6 measured
ProgramBench (Vals AI)Not measured0.0%Only Kimi K2.6 measured
Terminal-Bench 2.1 (Vals AI)Not measured53.6%Only Kimi K2.6 measured
LiveCodeBench (Artificial Analysis run)48.3%Not measuredOnly GPT-4.1 Mini measured
SciCodeNot measured51.5%Only Kimi K2.6 measured
Terminal-Bench Hard (Artificial Analysis run)7.6%43.9%Kimi K2.6
WeirdML37.6%55.9%Kimi K2.6
ALE-BenchNot measured1092.7Only Kimi K2.6 measured
LMArena Text: coding13671489Kimi K2.6
LMArena Text: software and IT13601484Kimi K2.6
LMArena WebDev: ReactNot measured1505Only Kimi K2.6 measured
LMArena WebDev: HTMLNot measured1485Only Kimi K2.6 measured
LMArena WebDev: from an imageNot measured1521Only Kimi K2.6 measured
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
AA Intelligence Index10.227.0Kimi K2.6
Epoch Capabilities Index134.9150.9Kimi K2.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
AA Agentic IndexNot measured20.5Only Kimi K2.6 measured
Design Arena: agents building web appsNot measured1268Only Kimi K2.6 measured
Design Arena: agents building full-stack appsNot measured1155Only Kimi K2.6 measured
Design Arena: agents building mobile appsNot measured1156Only Kimi K2.6 measured
Design Arena: agents building Android appsNot measured1161Only Kimi K2.6 measured
Design Arena: agents building Godot gamesNot measured1120Only Kimi K2.6 measured
Design Arena: agents building gamesNot measured1141Only Kimi K2.6 measured
Design Arena: HTML slidesNot measured1135Only Kimi K2.6 measured
Design Arena: PowerPoint slidesNot measured1103Only Kimi K2.6 measured
Design Arena: spreadsheetsNot measured1276Only Kimi K2.6 measured
Finance Agent (Vals AI)Not measured44.9%Only Kimi K2.6 measured
Tax Agent Bench (Vals AI)Not measured12.4%Only Kimi K2.6 measured
Legal Research Bench (Vals AI)Not measured15.9%Only Kimi K2.6 measured
Excel Modeling Benchmark (Vals AI)Not measured57.9%Only Kimi K2.6 measured
τ²-Bench Telecom52.9%95.9%Kimi K2.6
OSWorld 2.0Not measured4.6%Only Kimi K2.6 measured
Vending-Bench 2Not measured$6,205Only Kimi K2.6 measured
Berkeley Function Calling Leaderboard (BFCL)50.4%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 23 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index012
Reasoning benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
GPQA Diamond67.9%89.1%Kimi K2.6
MMMU Pro (Vals AI)70.5%86.3%Kimi K2.6
GPQA Diamond (Artificial Analysis run)66.4%91.1%Kimi K2.6
Humanity's Last Exam (Artificial Analysis run)5.0%37.5%Kimi K2.6
GPQA Diamond (Epoch AI run)65.8%90.8%Kimi K2.6
ARC-AGI3.5%Not measuredOnly GPT-4.1 Mini measured
ARC-AGI-20.0%Not measuredOnly GPT-4.1 Mini measured
Chess puzzles1.0%20.0%Kimi K2.6
Mystery game puzzles7.0%18.0%Kimi K2.6
EBR-benchNot measured2.4%Only Kimi K2.6 measured
LMArena Text: hard prompts13491470Kimi K2.6
LMArena Text: expert13381491Kimi K2.6
LMArena Text: hard prompts in English13621471Kimi K2.6
LMArena Vision: diagrams11821298Kimi K2.6
LMArena Vision: homework12141310Kimi K2.6
Kagi LLM Benchmark48.6%Not measuredOnly GPT-4.1 Mini measured
Neither model has a result on the other 6 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index04
Math benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
AIME49.4%Not measuredOnly GPT-4.1 Mini measured
MATH 500 (Vals AI)88.0%Not measuredOnly GPT-4.1 Mini measured
MGSM (Vals AI)87.8%Not measuredOnly GPT-4.1 Mini measured
AA Math Index46.3Not measuredOnly GPT-4.1 Mini measured
AIME 2025 (Artificial Analysis run)46.3%Not measuredOnly GPT-4.1 Mini measured
OTIS Mock AIME44.7%96.1%Kimi K2.6
FrontierMath, tiers 1 to 36.7%57.2%Kimi K2.6
FrontierMath, tier 4Not measured25.6%Only Kimi K2.6 measured
ProofBenchNot measured16.0%Only Kimi K2.6 measured
MATH level 587.3%Not measuredOnly GPT-4.1 Mini measured
LMArena Text: math13431474Kimi K2.6
LMArena Text: mathematical work13471480Kimi K2.6
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index010
Knowledge benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
MMLU Pro77.2%87.6%Kimi K2.6
LegalBench (Vals AI)78.0%84.7%Kimi K2.6
CaseLaw (Vals AI)Not measured61.2%Only Kimi K2.6 measured
CorpFin (Vals AI)57.9%66.7%Kimi K2.6
TaxEval (Vals AI)71.9%74.7%Kimi K2.6
MortgageTax (Vals AI)65.5%65.8%Kimi K2.6
MedQA (Vals AI)84.6%Not measuredOnly GPT-4.1 Mini measured
MedCode (Vals AI)Not measured40.1%Only Kimi K2.6 measured
MMLU Pro (Artificial Analysis run)78.1%Not measuredOnly GPT-4.1 Mini measured
SimpleQA Verified12.7%34.9%Kimi K2.6
LMArena Text: science13281468Kimi K2.6
LMArena Text: medicine and healthcare13241457Kimi K2.6
LMArena Text: legal and government13431462Kimi K2.6
LMArena Text: business and finance13221445Kimi K2.6
Neither model has a result on the other 4 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
Design Arena: websites9971268Kimi K2.6
Design Arena: UI components9581263Kimi K2.6
Design Arena: game dev10701250Kimi K2.6
Design Arena: data viz10341249Kimi K2.6
Design Arena: 3D8361267Kimi K2.6
Design Arena: all code categories9931271Kimi K2.6
Design Arena: SVGNot measured1181Only Kimi K2.6 measured
Design Arena: ASCII artNot measured1165Only Kimi K2.6 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index027
General benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
Public Benefits Bench (Vals AI)Not measured56.6%Only Kimi K2.6 measured
SAGE (Vals AI)Not measured50.2%Only Kimi K2.6 measured
MedScribe (Vals AI)Not measured78.2%Only Kimi K2.6 measured
Vals Multimodal IndexNot measured56.4%Only Kimi K2.6 measured
IFBench38.3%76.0%Kimi K2.6
Long context reasoning (AA-LCR)44.0%81.0%Kimi K2.6
DTBench68.8%90.9%Kimi K2.6
LMCA21.1%37.3%Kimi K2.6
Fiction.LiveBench44.4%Not measuredOnly GPT-4.1 Mini measured
Furniture assemblyNot measured21.7%Only Kimi K2.6 measured
ExploitBenchNot measured18.4%Only Kimi K2.6 measured
LMArena Text13411455Kimi K2.6
LMArena Text: instruction following13331451Kimi K2.6
LMArena Text: creative writing12991434Kimi K2.6
LMArena Vision11811282Kimi K2.6
LMArena Text: English13561460Kimi K2.6
LMArena Text: non-English13181446Kimi K2.6
LMArena Text: Chinese13291520Kimi K2.6
LMArena Text: German13501451Kimi K2.6
LMArena Text: Japanese12901443Kimi K2.6
LMArena Text: Korean12981427Kimi K2.6
LMArena Text: French13581471Kimi K2.6
LMArena Text: Spanish13191464Kimi K2.6
LMArena Text: Russian13241446Kimi K2.6
LMArena Text: Polish13261438Kimi K2.6
LMArena Text: multi-turn13541453Kimi K2.6
LMArena Text: longer queries13441468Kimi K2.6
LMArena Text: writing and language13191439Kimi K2.6
LMArena Text: entertainment and media13001428Kimi K2.6
LMArena Vision: English11911287Kimi K2.6
LMArena Vision: Chinese11861346Kimi K2.6
LMArena Vision: reading text11881291Kimi K2.6
LMArena Vision: humor11821280Kimi K2.6
LMArena Vision: captioning1174Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: recognizing things1187Not measuredOnly GPT-4.1 Mini measured
LMArena Vision: creative writing11821273Kimi K2.6
LMArena DocumentNot measured1451Only Kimi K2.6 measured
Neither model has a result on the other 9 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4.1 Mini and Kimi K2.6
BenchmarkGPT-4.1 MiniKimi K2.6Leader
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

GPT-4.1 Mini$0.0012Fits in one request
Kimi K2.6$0.0029Fits in one request

GPT-4.1 Mini costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Mini$0.025Fits in one request
Kimi K2.6$0.059Fits in one request

GPT-4.1 Mini costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Mini$0.096Fits in one request
Kimi K2.6$0.230Fits in one request

GPT-4.1 Mini 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 GPT-4.1 Mini and Kimi K2.6
SpecificationOpenAI GPT-4.1 MiniMoonshotAI Kimi K2.6
MakerOpenAIMoonshot AI
WeightsNo public weights listedOpen weights
ReleasedApril 14, 2025April 20, 2026
Context window1.05M262K
Input $/Mtok$0.40$0.95
Output $/Mtok$1.60$4.00
Coding indexNot benchmarked52.1
Independent measurements behind it03
Cost per solved task$1.818$0.35
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Mini better than Kimi K2.6 for coding?

Only Kimi K2.6 has a coding score, 52.1 on the Vibe Coding Index; GPT-4.1 Mini has none, so the two cannot be ranked on coding. Pick GPT-4.1 Mini for output tokens 2.5x cheaper ($1.60 vs $4.00 per million) and a larger context window (1.05M against 262K tokens).

Which is cheaper, GPT-4.1 Mini or Kimi K2.6?

GPT-4.1 Mini costs $0.40 per million input tokens and $1.60 per million output tokens; Kimi K2.6 costs $0.95 and $4.00. Per solved SWE-bench Verified task, GPT-4.1 Mini costs $1.818 and Kimi K2.6 $0.35.

Which has the bigger context window, GPT-4.1 Mini or Kimi K2.6?

GPT-4.1 Mini, with 1.05M tokens against 262K.

How many benchmarks is the GPT-4.1 Mini vs Kimi K2.6 comparison based on?

68 benchmarks have a result for both models as of October 22, 2026. GPT-4.1 Mini's coding index rests on 0 independent benchmarks and Kimi K2.6's on 3. Where only one model has a result, the page says so instead of naming a winner.

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