Kimi K3 vs MiniMax M3
Kimi K3 leads MiniMax M3 on coding, 62.3 to 39.2 on the Vibe Coding Index, and MiniMax M3 costs 12.5x less per output token ($1.20 vs $15.00 per million). Updated October 22, 2026; 101 benchmarks have a result for both.
Kimi K3 or MiniMax M3: which to pick
Pick Kimi K3 for coding: it scores 62.3 on the Vibe Coding Index against 39.2 for MiniMax M3.
Pick MiniMax M3 for output tokens 12.5x cheaper ($1.20 vs $15.00 per million) and a lower cost per solved task ($0.56 against $0.81).
- Shared results
- 101
- Kimi K3 only
- 21
- MiniMax M3 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.
Coding
Vibe Coding Index, six public coding benchmarks
Kimi K3
Kimi K3 scores 62.3 against 39.2.
6 benchmarks behind each score
Intelligence
AA Intelligence Index
Kimi K3
Kimi K3 leads, 43.6 against 29.2.
Same board, both measured
Agentic work
AA Agentic Index
Kimi K3
Kimi K3 leads, 50.0 against 29.5.
Same board, both measured
Reasoning
GPQA Diamond
Kimi K3
Kimi K3 leads, 92.9% against 92.7%.
Same board, both measured
Knowledge
MMLU Pro
Kimi K3
Kimi K3 leads, 88.0% against 84.2%.
Same board, both measured
Web design
Design Arena: websites
Kimi K3
Kimi K3 leads, 1335 against 1257.
Same board, both measured
General
Vals Index
No call
Only Kimi K3 has a Vals Index result, 53.0%.
Directional only
Long documents
Listed context window
No call
Both take 1.05M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiniMax M3
Kimi K3 $0.011, MiniMax M3 $0.0009 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
MiniMax M3
Kimi K3 $0.81, MiniMax M3 $0.56.
Published attempt cost and pass rate
At a glance
- Coding index
- Kimi K3 62.3 from 6 benchmarks, MiniMax M3 39.2 from 6 benchmarks.
- Widest category
- Math, 28.8 points apart on average over 4 shared benchmarks.
- Widest single gap
- ProofBench: Kimi K3 87.0% against MiniMax M3 18.0%, 69.0 points apart on a 0 to 100 scale.
- Output price
- Kimi K3 $15.00 against MiniMax M3 $1.20 per million output tokens, 12.5x apart.
- Context window
- Both take 1.05M tokens.
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.
| Category | Kimi K3 | Bars | MiniMax M3 | Ties |
|---|---|---|---|---|
| Coding | 18 | 2 | ||
| Intelligence | 2 | 0 | ||
| Agentic work | 18 | 0 | ||
| Reasoning | 12 | 0 | ||
| Math | 4 | 0 | ||
| Knowledge | 9 | 1 | ||
| Web design | 8 | 0 | ||
| General | 27 | 0 | ||
| All shared boards | 98 | 3 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index182
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| LiveBench coding | 59.3% | 70.9% | MiniMax M3 |
| LMArena WebDev | 1655 | 1482 | Kimi K3 |
| AA Coding Index | 76.2 | 58.6 | Kimi K3 |
| LiveCodeBench (Vals AI) | 87.2% | 82.2% | Kimi K3 |
| SWE-bench Verified (Vals AI) | 93.4% | 75.0% | Kimi K3 |
| Terminal-Bench 4 (Vals AI) | 17.2% | 1.0% | Kimi K3 |
| Vibe Code Bench (Vals AI) | 85.0% | 47.6% | Kimi K3 |
| Code migration (Vals AI) | 16.1% | 19.9% | MiniMax M3 |
| ProgramBench (Vals AI) | 2.0% | Not measured | Only Kimi K3 measured |
| IOI (Vals AI) | 48.9% | Not measured | Only Kimi K3 measured |
| Terminal-Bench 2.1 (Vals AI) | 80.9% | 53.6% | Kimi K3 |
| SWE-bench Multimodal (Vals AI) | 44.2% | 33.3% | Kimi K3 |
| Vibe Code Bench 1-100 (Vals AI) | 18.2% | 9.2% | Kimi K3 |
| SkillsBench (Vals AI) | Not measured | 51.5% | Only MiniMax M3 measured |
| CyberBench (Vals AI) | 75.2% | 65.0% | Kimi K3 |
| SciCode | 59.5% | 47.1% | Kimi K3 |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 42.4% | Only MiniMax M3 measured |
| FrontierCode | 44.2% | 14.7% | Kimi K3 |
| FrontierSWE | 25.9% | Not measured | Only Kimi K3 measured |
| WeirdML | 82.6% | Not measured | Only Kimi K3 measured |
| ALE-Bench | 1524.5 | 640.0 | Kimi K3 |
| LMArena Text: coding | 1508 | 1470 | Kimi K3 |
| LMArena Text: software and IT | 1499 | 1466 | Kimi K3 |
| LMArena WebDev: React | 1670 | 1478 | Kimi K3 |
| LMArena WebDev: HTML | 1644 | 1455 | Kimi K3 |
| LMArena WebDev: from an image | 1579 | 1470 | Kimi K3 |
| SWE-Bench Pro V2 | 97.7% | Not measured | Only Kimi K3 measured |
| Neither model has a result on the other 16 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| AA Intelligence Index | 43.6 | 29.2 | Kimi K3 |
| Epoch Capabilities Index | 157.9 | 146.9 | Kimi K3 |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index180
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| AA Agentic Index | 50.0 | 29.5 | Kimi K3 |
| Design Arena: agents building web apps | 1295 | 1200 | Kimi K3 |
| Design Arena: agents building full-stack apps | 1315 | 1197 | Kimi K3 |
| Design Arena: agents building mobile apps | 1268 | 1169 | Kimi K3 |
| Design Arena: agents building Android apps | 1252 | 1158 | Kimi K3 |
| Design Arena: agents building Godot games | 1223 | Not measured | Only Kimi K3 measured |
| Design Arena: agents building games | 1252 | 1159 | Kimi K3 |
| Design Arena: HTML slides | 1196 | 1120 | Kimi K3 |
| Design Arena: PowerPoint slides | 1245 | 1178 | Kimi K3 |
| Design Arena: spreadsheets | 1096 | 1042 | Kimi K3 |
| LiveBench research | 79.0% | 68.0% | Kimi K3 |
| LiveBench browser | 16.0% | 8.0% | Kimi K3 |
| LiveBench long agentic | 42.8% | 12.4% | Kimi K3 |
| Finance Agent (Vals AI) | 53.1% | 48.3% | Kimi K3 |
| Tax Agent Bench (Vals AI) | 33.4% | 20.6% | Kimi K3 |
| Legal Research Bench (Vals AI) | 46.1% | 29.8% | Kimi K3 |
| Harvey's Legal Agent Benchmark (Vals AI) | 12.9% | Not measured | Only Kimi K3 measured |
| Excel Modeling Benchmark (Vals AI) | 66.7% | 47.8% | Kimi K3 |
| BioMysteryBench (Vals AI) | 72.6% | Not measured | Only Kimi K3 measured |
| Terminal-Bench-Science (Vals AI) | 1.4% | Not measured | Only Kimi K3 measured |
| Time Horizon Index (Vals AI) | 10.5% | Not measured | Only Kimi K3 measured |
| τ²-Bench Telecom | Not measured | 88.9% | Only MiniMax M3 measured |
| APEX-Agents | 47.8% | 37.7% | Kimi K3 |
| OSWorld 2.0 | Not measured | 4.6% | Only MiniMax M3 measured |
| PostTrainBench | 32.0% | Not measured | Only Kimi K3 measured |
| Vending-Bench 2 | $5,165 | $2,158 | Kimi K3 |
| MCP Atlas | 82.3% | Not measured | Only Kimi K3 measured |
| Neither model has a result on the other 15 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index120
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| GPQA Diamond | 92.9% | 92.7% | Kimi K3 |
| LiveBench reasoning | 90.7% | 74.5% | Kimi K3 |
| MMMU Pro (Vals AI) | 88.2% | 81.2% | Kimi K3 |
| GPQA Diamond (Artificial Analysis run) | 93.5% | 92.9% | Kimi K3 |
| Humanity's Last Exam (Artificial Analysis run) | 46.9% | 39.0% | Kimi K3 |
| GPQA Diamond (Epoch AI run) | 93.1% | 90.9% | Kimi K3 |
| ARC-AGI | 94.5% | Not measured | Only Kimi K3 measured |
| ARC-AGI-2 | 60.4% | Not measured | Only Kimi K3 measured |
| SimpleBench | 60.7% | 45.8% | Kimi K3 |
| Chess puzzles | 37.0% | 13.0% | Kimi K3 |
| Mystery game puzzles | 26.0% | 8.0% | Kimi K3 |
| LMArena Text: hard prompts | 1495 | 1447 | Kimi K3 |
| LMArena Text: expert | 1520 | 1461 | Kimi K3 |
| LMArena Text: hard prompts in English | 1496 | 1455 | Kimi K3 |
| LMArena Vision: diagrams | Not measured | 1266 | Only MiniMax M3 measured |
| LMArena Vision: homework | Not measured | 1268 | Only MiniMax M3 measured |
| Humanity's Last Exam (Scale run) | 22.2% | Not measured | Only Kimi K3 measured |
| Neither model has a result on the other 6 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| OTIS Mock AIME | 97.2% | 71.1% | Kimi K3 |
| FrontierMath, tiers 1 to 3 | 72.2% | Not measured | Only Kimi K3 measured |
| FrontierMath, tier 4 | 39.0% | Not measured | Only Kimi K3 measured |
| ProofBench | 87.0% | 18.0% | Kimi K3 |
| LMArena Text: math | 1494 | 1429 | Kimi K3 |
| LMArena Text: mathematical work | 1505 | 1448 | Kimi K3 |
| MathArena | 48.0% | Not measured | Only Kimi K3 measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index91
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| MMLU Pro | 88.0% | 84.2% | Kimi K3 |
| LegalBench (Vals AI) | 86.2% | 85.4% | Kimi K3 |
| CorpFin (Vals AI) | 71.6% | 68.1% | Kimi K3 |
| TaxEval (Vals AI) | 75.7% | 72.7% | Kimi K3 |
| MortgageTax (Vals AI) | 66.3% | 68.4% | MiniMax M3 |
| MedCode (Vals AI) | 49.4% | 46.3% | Kimi K3 |
| SimpleQA Verified | 50.6% | Not measured | Only Kimi K3 measured |
| LMArena Text: science | 1508 | 1452 | Kimi K3 |
| LMArena Text: medicine and healthcare | 1489 | 1441 | Kimi K3 |
| LMArena Text: legal and government | 1503 | 1437 | Kimi K3 |
| LMArena Text: business and finance | 1470 | 1434 | Kimi K3 |
| Neither model has a result on the other 9 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index80
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| Design Arena: websites | 1335 | 1257 | Kimi K3 |
| Design Arena: UI components | 1340 | 1243 | Kimi K3 |
| Design Arena: game dev | 1360 | 1210 | Kimi K3 |
| Design Arena: data viz | 1352 | 1236 | Kimi K3 |
| Design Arena: 3D | 1387 | 1208 | Kimi K3 |
| Design Arena: all code categories | 1360 | 1246 | Kimi K3 |
| Design Arena: SVG | 1301 | 1160 | Kimi K3 |
| Design Arena: ASCII art | Not measured | 1161 | Only MiniMax M3 measured |
| LiveBench design | 77.2% | 66.2% | Kimi K3 |
GeneralLike-for-likePublic boards, shown as published, kept out of the index270
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| Vals Index | 53.0% | Not measured | Only Kimi K3 measured |
| LiveBench data analysis | 78.7% | 76.2% | Kimi K3 |
| Public Benefits Bench (Vals AI) | 68.2% | 64.1% | Kimi K3 |
| SAGE (Vals AI) | 52.8% | 50.6% | Kimi K3 |
| MedScribe (Vals AI) | 88.0% | 87.3% | Kimi K3 |
| Vals Multimodal Index | 73.4% | 60.0% | Kimi K3 |
| IFBench | Not measured | 82.9% | Only MiniMax M3 measured |
| Long context reasoning (AA-LCR) | 88.7% | 83.0% | Kimi K3 |
| DTBench | 91.2% | 78.9% | Kimi K3 |
| LMCA | 52.7% | 33.7% | Kimi K3 |
| Surface Evolver Bench | 95.0% | 55.0% | Kimi K3 |
| Furniture assembly | 34.2% | Not measured | Only Kimi K3 measured |
| LMArena Text | 1476 | 1433 | Kimi K3 |
| LMArena Text: instruction following | 1485 | 1433 | Kimi K3 |
| LMArena Text: creative writing | 1457 | 1404 | Kimi K3 |
| LMArena Vision | Not measured | 1251 | Only MiniMax M3 measured |
| LMArena Text: English | 1481 | 1443 | Kimi K3 |
| LMArena Text: non-English | 1466 | 1420 | Kimi K3 |
| LMArena Text: Chinese | 1529 | 1466 | Kimi K3 |
| LMArena Text: German | 1490 | 1428 | Kimi K3 |
| LMArena Text: Japanese | 1494 | 1380 | Kimi K3 |
| LMArena Text: Korean | 1460 | 1373 | Kimi K3 |
| LMArena Text: French | 1492 | 1444 | Kimi K3 |
| LMArena Text: Spanish | 1472 | 1433 | Kimi K3 |
| LMArena Text: Russian | 1485 | 1426 | Kimi K3 |
| LMArena Text: Polish | 1458 | 1423 | Kimi K3 |
| LMArena Text: multi-turn | 1489 | 1443 | Kimi K3 |
| LMArena Text: longer queries | 1494 | 1446 | Kimi K3 |
| LMArena Text: writing and language | 1471 | 1419 | Kimi K3 |
| LMArena Text: entertainment and media | 1453 | 1403 | Kimi K3 |
| LMArena Vision: English | Not measured | 1263 | Only MiniMax M3 measured |
| LMArena Vision: Chinese | Not measured | 1311 | Only MiniMax M3 measured |
| LMArena Vision: reading text | Not measured | 1259 | Only MiniMax M3 measured |
| LMArena Vision: humor | Not measured | 1235 | Only MiniMax M3 measured |
| LMArena Vision: recognizing things | Not measured | 1197 | Only MiniMax M3 measured |
| LMArena Vision: creative writing | Not measured | 1234 | Only MiniMax M3 measured |
| LMArena Document | Not measured | 1435 | Only MiniMax M3 measured |
| EQ-Bench 4 | 1339 | 1150 | Kimi K3 |
| 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
| Benchmark | Kimi K3 | MiniMax M3 | Leader |
|---|---|---|---|
| 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
MiniMax M3 costs less
Repository review
50K input + 3K output tokens
MiniMax M3 costs less
Agent loop
200K input + 10K output tokens
MiniMax M3 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.
| Specification | MoonshotAI Kimi K3 | MiniMax M3 |
|---|---|---|
| Maker | Moonshot AI | MiniMax |
| Weights | Open weights | Open weights |
| Released | July 16, 2026 | May 31, 2026 |
| Context window | 1.05M | 1.05M |
| Input $/Mtok | $3.00 | $0.30 |
| Output $/Mtok | $15.00 | $1.20 |
| Coding index | 62.3 | 39.2 |
| Independent measurements behind it | 6 | 6 |
| Cost per solved task | $0.81 | $0.56 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Kimi K3 better than MiniMax M3 for coding?
Pick Kimi K3 for coding: it scores 62.3 on the Vibe Coding Index against 39.2 for MiniMax M3. Pick MiniMax M3 for output tokens 12.5x cheaper ($1.20 vs $15.00 per million) and a lower cost per solved task ($0.56 against $0.81).
Which is cheaper, Kimi K3 or MiniMax M3?
Kimi K3 costs $3.00 per million input tokens and $15.00 per million output tokens; MiniMax M3 costs $0.30 and $1.20. Per solved SWE-bench Verified task, Kimi K3 costs $0.81 and MiniMax M3 $0.56.
Which has the bigger context window, Kimi K3 or MiniMax M3?
Neither: both take 1.05M tokens.
How many benchmarks is the Kimi K3 vs MiniMax M3 comparison based on?
101 benchmarks have a result for both models as of October 22, 2026. Kimi K3's coding index rests on 6 independent benchmarks and MiniMax M3's on 6. Where only one model has a result, the page says so instead of naming a winner.