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Kimi K2.6 vs Mistral Large 4

Mistral Large 4 leads Kimi K2.6 on coding, 56.4 to 52.1 on the Vibe Coding Index, at about the same output price ($4.18 vs $4.00 per million). Updated October 21, 2026; 65 benchmarks have a result for both.

Replace Kimi K2.6 Replace Mistral Large 4
Kimi K2.6Moonshot AI
Coding
52.1
Overall
60.5
Output $/M
$4.00
42
Mistral Large 4Mistral AI
Coding
56.4
Overall
54.6
Output $/M
$4.18
23
vs boards won of 65 shared

Kimi K2.6 or Mistral Large 4: which to pick

Pick Mistral Large 4 for coding: it scores 56.4 on the Vibe Coding Index against 52.1 for Kimi K2.6.

Pick Kimi K2.6 for output tokens 1.0x cheaper ($4.00 vs $4.18 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Model AKimi K2.6Moonshot AI52.1/1003 independent benchmarks$0.35 per solved taskModel BMistral Large 4Mistral AI56.4/1005 independent benchmarksNo cost per solved task
Shared results
65
Kimi K2.6 only
44
Mistral Large 4 only
16
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
Kimi K2.6 52.1 from 3 benchmarks, Mistral Large 4 56.4 from 5 benchmarks.
Widest category
Agentic work, 11.3 points apart on average over 4 shared benchmarks.
Widest single gap
Vibe Code Bench (Vals AI): Kimi K2.6 37.9% against Mistral Large 4 78.4%, 40.5 points apart on a 0 to 100 scale.
Output price
Kimi K2.6 $4.00 against Mistral Large 4 $4.18 per million output tokens, 1.0x apart.
Context window
Kimi K2.6 takes 262K tokens, Mistral Large 4 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
CategoryKimi K2.6BarsMistral Large 4Ties
Coding27
Intelligence11
Agentic work13
Reasoning71
Math33
Knowledge51
Web design44
General193
All shared boards4223
CodingLike-for-likeSix of these boards feed the Vibe Coding Index27
Coding benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
LiveBench codingNot measured60.0%Only Mistral Large 4 measured
LMArena WebDev15091543Mistral Large 4
AA Coding Index61.8Not measuredOnly Kimi K2.6 measured
LiveCodeBench (Vals AI)86.8%Not measuredOnly Kimi K2.6 measured
SWE-bench Verified (Vals AI)76.2%Not measuredOnly Kimi K2.6 measured
Terminal-Bench 4 (Vals AI)Not measured27.8%Only Mistral Large 4 measured
Vibe Code Bench (Vals AI)37.9%78.4%Mistral Large 4
Code migration (Vals AI)27.8%30.6%Mistral Large 4
ProgramBench (Vals AI)0.0%Not measuredOnly Kimi K2.6 measured
IOI (Vals AI)Not measured45.3%Only Mistral Large 4 measured
Terminal-Bench 2.1 (Vals AI)53.6%Not measuredOnly Kimi K2.6 measured
SWE-bench Multimodal (Vals AI)Not measured33.1%Only Mistral Large 4 measured
Vibe Code Bench 1-100 (Vals AI)Not measured14.3%Only Mistral Large 4 measured
SciCode51.5%54.2%Mistral Large 4
Terminal-Bench Hard (Artificial Analysis run)43.9%Not measuredOnly Kimi K2.6 measured
FrontierCodeNot measured39.4%Only Mistral Large 4 measured
WeirdML55.9%Not measuredOnly Kimi K2.6 measured
ALE-Bench1092.71213.2Mistral Large 4
LMArena Text: coding14891478Kimi K2.6
LMArena Text: software and IT14841467Kimi K2.6
LMArena WebDev: React15051559Mistral Large 4
LMArena WebDev: HTML14851487Mistral Large 4
LMArena WebDev: from an image1521Not measuredOnly Kimi K2.6 measured
Neither model has a result on the other 16 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
AA Intelligence Index27.038.4Mistral Large 4
Epoch Capabilities Index150.9150.0Kimi K2.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index13
Agentic work benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
AA Agentic Index20.5Not measuredOnly Kimi K2.6 measured
Design Arena: agents building web apps1268Not measuredOnly Kimi K2.6 measured
Design Arena: agents building full-stack apps1155Not measuredOnly Kimi K2.6 measured
Design Arena: agents building mobile apps1157Not measuredOnly Kimi K2.6 measured
Design Arena: agents building Android apps1160Not measuredOnly Kimi K2.6 measured
Design Arena: agents building Godot games1120Not measuredOnly Kimi K2.6 measured
Design Arena: agents building games1141Not measuredOnly Kimi K2.6 measured
Design Arena: HTML slides1184Not measuredOnly Kimi K2.6 measured
Design Arena: PowerPoint slides1128Not measuredOnly Kimi K2.6 measured
Design Arena: spreadsheets1276Not measuredOnly Kimi K2.6 measured
LiveBench researchNot measured28.1%Only Mistral Large 4 measured
LiveBench browserNot measured8.0%Only Mistral Large 4 measured
LiveBench long agenticNot measured11.8%Only Mistral Large 4 measured
Finance Agent (Vals AI)44.9%54.7%Mistral Large 4
Tax Agent Bench (Vals AI)12.4%30.4%Mistral Large 4
Legal Research Bench (Vals AI)15.9%31.7%Mistral Large 4
Harvey's Legal Agent Benchmark (Vals AI)Not measured17.5%Only Mistral Large 4 measured
Excel Modeling Benchmark (Vals AI)57.9%56.2%Kimi K2.6
BioMysteryBench (Vals AI)Not measured67.0%Only Mistral Large 4 measured
τ²-Bench Telecom95.9%Not measuredOnly Kimi K2.6 measured
OSWorld 2.04.6%Not measuredOnly Kimi K2.6 measured
Vending-Bench 2$6,205Not measuredOnly Kimi K2.6 measured
Neither model has a result on the other 19 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index71
Reasoning benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
GPQA Diamond89.1%Not measuredOnly Kimi K2.6 measured
LiveBench reasoningNot measured83.9%Only Mistral Large 4 measured
MysteryMechanism (Vals AI)Not measured12.2%Only Mistral Large 4 measured
MMMU Pro (Vals AI)86.3%Not measuredOnly Kimi K2.6 measured
GPQA Diamond (Artificial Analysis run)91.1%Not measuredOnly Kimi K2.6 measured
Humanity's Last Exam (Artificial Analysis run)37.5%35.0%Kimi K2.6
GPQA Diamond (Epoch AI run)90.8%88.1%Kimi K2.6
Chess puzzles20.0%33.0%Mistral Large 4
Mystery game puzzles18.0%17.0%Kimi K2.6
EBR-bench2.4%Not measuredOnly Kimi K2.6 measured
LMArena Text: hard prompts14701444Kimi K2.6
LMArena Text: expert14911444Kimi K2.6
LMArena Text: hard prompts in English14711442Kimi K2.6
LMArena Vision: diagrams12981288Kimi K2.6
LMArena Vision: homework1310Not measuredOnly Kimi K2.6 measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index33
Math benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
OTIS Mock AIME96.1%98.3%Mistral Large 4
FrontierMath, tiers 1 to 357.2%58.6%Mistral Large 4
FrontierMath, tier 425.6%26.8%Mistral Large 4
ProofBench16.0%10.0%Kimi K2.6
LMArena Text: math14741469Kimi K2.6
LMArena Text: mathematical work14801462Kimi K2.6
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index51
Knowledge benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
MMLU Pro87.6%Not measuredOnly Kimi K2.6 measured
LegalBench (Vals AI)84.7%Not measuredOnly Kimi K2.6 measured
CaseLaw (Vals AI)61.2%Not measuredOnly Kimi K2.6 measured
CorpFin (Vals AI)66.7%Not measuredOnly Kimi K2.6 measured
TaxEval (Vals AI)74.7%Not measuredOnly Kimi K2.6 measured
MortgageTax (Vals AI)65.8%Not measuredOnly Kimi K2.6 measured
MedCode (Vals AI)40.1%40.7%Mistral Large 4
SimpleQA Verified34.9%20.0%Kimi K2.6
LMArena Text: science14681448Kimi K2.6
LMArena Text: medicine and healthcare14571433Kimi K2.6
LMArena Text: legal and government14621425Kimi K2.6
LMArena Text: business and finance14451439Kimi K2.6
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index44
Web design benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
Design Arena: websites12691258Kimi K2.6
Design Arena: UI components12661275Mistral Large 4
Design Arena: game dev12511226Kimi K2.6
Design Arena: data viz12491274Mistral Large 4
Design Arena: 3D12681253Kimi K2.6
Design Arena: all code categories12721259Kimi K2.6
Design Arena: SVG11811233Mistral Large 4
Design Arena: ASCII art11651202Mistral Large 4
LiveBench designNot measured65.6%Only Mistral Large 4 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index193
General benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
LiveBench data analysisNot measured76.5%Only Mistral Large 4 measured
Public Benefits Bench (Vals AI)56.6%Not measuredOnly Kimi K2.6 measured
SAGE (Vals AI)50.2%Not measuredOnly Kimi K2.6 measured
MedScribe (Vals AI)78.2%80.4%Mistral Large 4
Vals Multimodal Index56.4%Not measuredOnly Kimi K2.6 measured
IFBench76.0%Not measuredOnly Kimi K2.6 measured
Long context reasoning (AA-LCR)81.0%81.3%Mistral Large 4
DTBench90.9%88.2%Kimi K2.6
LMCA37.3%35.8%Kimi K2.6
Surface Evolver BenchNot measured28.1%Only Mistral Large 4 measured
Furniture assembly21.7%20.8%Kimi K2.6
ExploitBench18.4%Not measuredOnly Kimi K2.6 measured
LMArena Text14551431Kimi K2.6
LMArena Text: instruction following14511422Kimi K2.6
LMArena Text: creative writing14341363Kimi K2.6
LMArena Vision12821272Kimi K2.6
LMArena Text: English14601433Kimi K2.6
LMArena Text: non-English14461422Kimi K2.6
LMArena Text: Chinese15201492Kimi K2.6
LMArena Text: German1451Not measuredOnly Kimi K2.6 measured
LMArena Text: Japanese14431415Kimi K2.6
LMArena Text: Korean1427Not measuredOnly Kimi K2.6 measured
LMArena Text: French14711492Mistral Large 4
LMArena Text: Spanish14641455Kimi K2.6
LMArena Text: Russian14461417Kimi K2.6
LMArena Text: Polish1438Not measuredOnly Kimi K2.6 measured
LMArena Text: multi-turn14531435Kimi K2.6
LMArena Text: longer queries14681428Kimi K2.6
LMArena Text: writing and language14391386Kimi K2.6
LMArena Text: entertainment and media14281378Kimi K2.6
LMArena Vision: English12871283Kimi K2.6
LMArena Vision: Chinese1346Not measuredOnly Kimi K2.6 measured
LMArena Vision: reading text12911284Kimi K2.6
LMArena Vision: humor1280Not measuredOnly Kimi K2.6 measured
LMArena Vision: creative writing1273Not measuredOnly Kimi K2.6 measured
LMArena Document1451Not measuredOnly Kimi K2.6 measured
Neither model has a result on the other 10 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Kimi K2.6 and Mistral Large 4
BenchmarkKimi K2.6Mistral Large 4Leader
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

Kimi K2.6$0.0029Fits in one request
Mistral Large 4$0.0034Fits in one request

Kimi K2.6 costs less

Repository review

50K input + 3K output tokens

Kimi K2.6$0.059Fits in one request
Mistral Large 4$0.081Fits in one request

Kimi K2.6 costs less

Agent loop

200K input + 10K output tokens

Kimi K2.6$0.230Fits in one request
Mistral Large 4$0.314Fits in one request

Kimi K2.6 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 Kimi K2.6 and Mistral Large 4
SpecificationMoonshotAI Kimi K2.6Mistral Large 4
MakerMoonshot AIMistral AI
WeightsOpen weightsNo public weights listed
ReleasedApril 20, 2026October 6, 2026
Context window262K1.05M
Input $/Mtok$0.95$1.36
Output $/Mtok$4.00$4.18
Coding index52.156.4
Independent measurements behind it35
Cost per solved task$0.35Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Kimi K2.6 better than Mistral Large 4 for coding?

Pick Mistral Large 4 for coding: it scores 56.4 on the Vibe Coding Index against 52.1 for Kimi K2.6. Pick Kimi K2.6 for output tokens 1.0x cheaper ($4.00 vs $4.18 per million) and work measured by LMArena Text: coding or LMArena Text: software and IT, where it leads.

Which is cheaper, Kimi K2.6 or Mistral Large 4?

Kimi K2.6 costs $0.95 per million input tokens and $4.00 per million output tokens; Mistral Large 4 costs $1.36 and $4.18. Cost per solved task is known for Kimi K2.6 only.

Which has the bigger context window, Kimi K2.6 or Mistral Large 4?

Mistral Large 4, with 1.05M tokens against 262K.

How many benchmarks is the Kimi K2.6 vs Mistral Large 4 comparison based on?

65 benchmarks have a result for both models as of October 21, 2026. Kimi K2.6's coding index rests on 3 independent benchmarks and Mistral Large 4's on 5. 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/kimi-k2-6-vs-mistral-large-4-0">LLMBenchmark.ai, Kimi K2.6 vs Mistral Large 4</a></p>