Kimi K2.6 vs MiMo-V2.6-Flash
Updated October 21, 2026. 56 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick MiMo-V2.6-Flash for coding: it scores 61.9 on the Vibe Coding Index against 44.2 for Kimi K2.6.
Pick Kimi K2.6 when what matters is SciCode or Humanity's Last Exam (Artificial Analysis run), where it leads.
- Shared results
- 56
- Kimi K2.6 only
- 53
- MiMo-V2.6-Flash only
- 10
- Like-for-like categories
- 7 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.
Coding
Vibe Coding Index, four public coding benchmarks
MiMo-V2.6-Flash
MiMo-V2.6-Flash scores 61.9 against 44.2.
One benchmark behind each score
Intelligence
AA Intelligence Index
MiMo-V2.6-Flash
MiMo-V2.6-Flash leads, 37.9 against 27.0.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Kimi K2.6 has a AA Agentic Index result, 20.5.
Directional only
Reasoning
GPQA Diamond
No call
Only Kimi K2.6 has a GPQA Diamond result, 89.1%.
Directional only
Knowledge
MMLU Pro
No call
Only Kimi K2.6 has a MMLU Pro result, 87.6%.
Directional only
Web design
Design Arena: websites
No call
Only Kimi K2.6 has a Design Arena: websites result, 1269.
Directional only
General
Vals Index
No call
Only MiMo-V2.6-Flash has a Vals Index result, 54.8%.
Directional only
Long documents
Listed context window
MiMo-V2.6-Flash
MiMo-V2.6-Flash takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.6-Flash
Kimi K2.6 $0.0024, MiMo-V2.6-Flash $0.0003 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Kimi K2.6 has the number, $0.35.
Directional only
At a glance
- Coding index
- Kimi K2.6 44.2 from 1 benchmark, MiMo-V2.6-Flash 61.9 from 1 benchmark.
- Widest category
- Math, 15.8 points apart on average over 3 shared benchmarks.
- Widest single gap
- ProofBench: Kimi K2.6 16.0% against MiMo-V2.6-Flash 63.0%, 47.0 points apart on a 0 to 100 scale.
- Output price
- Kimi K2.6 $3.41 against MiMo-V2.6-Flash $0.28 per million output tokens, 12.2x apart.
- Context window
- Kimi K2.6 takes 262K tokens, MiMo-V2.6-Flash 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.
| Category | Kimi K2.6 | Bars | MiMo-V2.6-Flash | Ties |
|---|---|---|---|---|
| Coding | 1 | 11 | ||
| Intelligence | 0 | 1 | ||
| Agentic work | 0 | 4 | ||
| Reasoning | 3 | 3 | ||
| Math | 1 | 2 | ||
| Knowledge | 3 | 2 | ||
| General | 18 | 7 | ||
| All shared boards | 26 | 30 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index111
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| LMArena WebDev | 1509 | 1634 | MiMo-V2.6-Flash |
| AA Coding Index | 61.8 | Not measured | Only Kimi K2.6 measured |
| LiveCodeBench (Vals AI) | 86.8% | Not measured | Only Kimi K2.6 measured |
| SWE-bench Verified (Vals AI) | 76.2% | Not measured | Only Kimi K2.6 measured |
| Terminal-Bench 4 (Vals AI) | Not measured | 24.2% | Only MiMo-V2.6-Flash measured |
| Vibe Code Bench (Vals AI) | 37.9% | 79.0% | MiMo-V2.6-Flash |
| Code migration (Vals AI) | 27.8% | 40.9% | MiMo-V2.6-Flash |
| ProgramBench (Vals AI) | 0.0% | 0.5% | MiMo-V2.6-Flash |
| IOI (Vals AI) | Not measured | 47.7% | Only MiMo-V2.6-Flash measured |
| Terminal-Bench 2.1 (Vals AI) | 53.6% | 76.4% | MiMo-V2.6-Flash |
| CyberBench (Vals AI) | Not measured | 75.4% | Only MiMo-V2.6-Flash measured |
| SciCode | 51.5% | 51.3% | Kimi K2.6 |
| Terminal-Bench Hard (Artificial Analysis run) | 43.9% | Not measured | Only Kimi K2.6 measured |
| WeirdML | 55.9% | Not measured | Only Kimi K2.6 measured |
| ALE-Bench | 1092.7 | 1244.2 | MiMo-V2.6-Flash |
| LMArena Text: coding | 1489 | 1499 | MiMo-V2.6-Flash |
| LMArena Text: software and IT | 1484 | 1497 | MiMo-V2.6-Flash |
| LMArena WebDev: React | 1505 | 1648 | MiMo-V2.6-Flash |
| LMArena WebDev: HTML | 1485 | 1641 | MiMo-V2.6-Flash |
| LMArena WebDev: from an image | 1521 | 1596 | MiMo-V2.6-Flash |
| Neither model has a result on the other 18 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| AA Intelligence Index | 27.0 | 37.9 | MiMo-V2.6-Flash |
| Epoch Capabilities Index | 150.9 | Not measured | Only Kimi K2.6 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index04
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| AA Agentic Index | 20.5 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building web apps | 1268 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building full-stack apps | 1155 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building mobile apps | 1156 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building Android apps | 1166 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building Godot games | 1120 | Not measured | Only Kimi K2.6 measured |
| Design Arena: agents building games | 1141 | Not measured | Only Kimi K2.6 measured |
| Design Arena: HTML slides | 1184 | Not measured | Only Kimi K2.6 measured |
| Design Arena: PowerPoint slides | 1128 | Not measured | Only Kimi K2.6 measured |
| Design Arena: spreadsheets | 1276 | Not measured | Only Kimi K2.6 measured |
| SREBench (Vals AI) | Not measured | 4.2% | Only MiMo-V2.6-Flash measured |
| Finance Agent (Vals AI) | 44.9% | 56.3% | MiMo-V2.6-Flash |
| Tax Agent Bench (Vals AI) | 12.4% | 28.5% | MiMo-V2.6-Flash |
| Legal Research Bench (Vals AI) | 15.9% | 38.0% | MiMo-V2.6-Flash |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 13.3% | Only MiMo-V2.6-Flash measured |
| Excel Modeling Benchmark (Vals AI) | 57.9% | 65.5% | MiMo-V2.6-Flash |
| BioMysteryBench (Vals AI) | Not measured | 69.3% | Only MiMo-V2.6-Flash measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 4.3% | Only MiMo-V2.6-Flash measured |
| Vals Science Index | Not measured | 31.7% | Only MiMo-V2.6-Flash measured |
| τ²-Bench Telecom | 95.9% | Not measured | Only Kimi K2.6 measured |
| OSWorld 2.0 | 4.6% | Not measured | Only Kimi K2.6 measured |
| Vending-Bench 2 | $6,205 | Not measured | Only Kimi K2.6 measured |
| Neither model has a result on the other 17 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index33
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| GPQA Diamond | 89.1% | Not measured | Only Kimi K2.6 measured |
| MysteryMechanism (Vals AI) | Not measured | 21.6% | Only MiMo-V2.6-Flash measured |
| MMMU Pro (Vals AI) | 86.3% | Not measured | Only Kimi K2.6 measured |
| GPQA Diamond (Artificial Analysis run) | 91.1% | Not measured | Only Kimi K2.6 measured |
| Humanity's Last Exam (Artificial Analysis run) | 37.5% | 35.1% | Kimi K2.6 |
| GPQA Diamond (Epoch AI run) | 90.8% | Not measured | Only Kimi K2.6 measured |
| Chess puzzles | 20.0% | Not measured | Only Kimi K2.6 measured |
| Mystery game puzzles | 18.0% | Not measured | Only Kimi K2.6 measured |
| EBR-bench | 2.4% | Not measured | Only Kimi K2.6 measured |
| LMArena Text: hard prompts | 1470 | 1475 | MiMo-V2.6-Flash |
| LMArena Text: expert | 1491 | 1496 | MiMo-V2.6-Flash |
| LMArena Text: hard prompts in English | 1471 | 1493 | MiMo-V2.6-Flash |
| LMArena Vision: diagrams | 1298 | 1276 | Kimi K2.6 |
| LMArena Vision: homework | 1310 | 1283 | Kimi K2.6 |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index12
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| OTIS Mock AIME | 96.1% | Not measured | Only Kimi K2.6 measured |
| FrontierMath, tiers 1 to 3 | 57.2% | Not measured | Only Kimi K2.6 measured |
| FrontierMath, tier 4 | 25.6% | Not measured | Only Kimi K2.6 measured |
| ProofBench | 16.0% | 63.0% | MiMo-V2.6-Flash |
| LMArena Text: math | 1474 | 1476 | MiMo-V2.6-Flash |
| LMArena Text: mathematical work | 1480 | 1478 | Kimi K2.6 |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index32
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| MMLU Pro | 87.6% | Not measured | Only Kimi K2.6 measured |
| LegalBench (Vals AI) | 84.7% | Not measured | Only Kimi K2.6 measured |
| CaseLaw (Vals AI) | 61.2% | Not measured | Only Kimi K2.6 measured |
| CorpFin (Vals AI) | 66.7% | Not measured | Only Kimi K2.6 measured |
| TaxEval (Vals AI) | 74.7% | Not measured | Only Kimi K2.6 measured |
| MortgageTax (Vals AI) | 65.8% | Not measured | Only Kimi K2.6 measured |
| MedCode (Vals AI) | 40.1% | 41.1% | MiMo-V2.6-Flash |
| SimpleQA Verified | 34.9% | Not measured | Only Kimi K2.6 measured |
| LMArena Text: science | 1468 | 1462 | Kimi K2.6 |
| LMArena Text: medicine and healthcare | 1457 | 1439 | Kimi K2.6 |
| LMArena Text: legal and government | 1462 | 1441 | Kimi K2.6 |
| LMArena Text: business and finance | 1445 | 1454 | MiMo-V2.6-Flash |
| Neither model has a result on the other 5 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Design Arena: websites | 1269 | Not measured | Only Kimi K2.6 measured |
| Design Arena: UI components | 1266 | Not measured | Only Kimi K2.6 measured |
| Design Arena: game dev | 1251 | Not measured | Only Kimi K2.6 measured |
| Design Arena: data viz | 1249 | Not measured | Only Kimi K2.6 measured |
| Design Arena: 3D | 1268 | Not measured | Only Kimi K2.6 measured |
| Design Arena: all code categories | 1272 | Not measured | Only Kimi K2.6 measured |
| Design Arena: SVG | 1181 | Not measured | Only Kimi K2.6 measured |
| Design Arena: ASCII art | 1164 | Not measured | Only 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 index187
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Vals Index | Not measured | 54.8% | Only MiMo-V2.6-Flash measured |
| Public Benefits Bench (Vals AI) | 56.6% | 67.6% | MiMo-V2.6-Flash |
| SAGE (Vals AI) | 50.2% | 43.5% | Kimi K2.6 |
| MedScribe (Vals AI) | 78.2% | 85.3% | MiMo-V2.6-Flash |
| Vals Multimodal Index | 56.4% | Not measured | Only Kimi K2.6 measured |
| IFBench | 76.0% | Not measured | Only Kimi K2.6 measured |
| Long context reasoning (AA-LCR) | 81.0% | 74.3% | Kimi K2.6 |
| DTBench | 90.9% | Not measured | Only Kimi K2.6 measured |
| LMCA | 37.3% | Not measured | Only Kimi K2.6 measured |
| Furniture assembly | 21.7% | Not measured | Only Kimi K2.6 measured |
| ExploitBench | 18.4% | Not measured | Only Kimi K2.6 measured |
| LMArena Text | 1455 | 1453 | Kimi K2.6 |
| LMArena Text: instruction following | 1451 | 1452 | MiMo-V2.6-Flash |
| LMArena Text: creative writing | 1434 | 1403 | Kimi K2.6 |
| LMArena Vision | 1282 | 1256 | Kimi K2.6 |
| LMArena Text: English | 1460 | 1476 | MiMo-V2.6-Flash |
| LMArena Text: non-English | 1446 | 1431 | Kimi K2.6 |
| LMArena Text: Chinese | 1520 | 1509 | Kimi K2.6 |
| LMArena Text: German | 1451 | 1458 | MiMo-V2.6-Flash |
| LMArena Text: Japanese | 1443 | 1359 | Kimi K2.6 |
| LMArena Text: Korean | 1427 | 1425 | Kimi K2.6 |
| LMArena Text: French | 1471 | 1480 | MiMo-V2.6-Flash |
| LMArena Text: Spanish | 1464 | 1453 | Kimi K2.6 |
| LMArena Text: Russian | 1446 | 1409 | Kimi K2.6 |
| LMArena Text: Polish | 1438 | 1455 | MiMo-V2.6-Flash |
| LMArena Text: multi-turn | 1453 | 1447 | Kimi K2.6 |
| LMArena Text: longer queries | 1468 | 1459 | Kimi K2.6 |
| LMArena Text: writing and language | 1439 | 1424 | Kimi K2.6 |
| LMArena Text: entertainment and media | 1428 | 1415 | Kimi K2.6 |
| LMArena Vision: English | 1287 | 1269 | Kimi K2.6 |
| LMArena Vision: Chinese | 1346 | Not measured | Only Kimi K2.6 measured |
| LMArena Vision: reading text | 1291 | 1270 | Kimi K2.6 |
| LMArena Vision: humor | 1280 | Not measured | Only Kimi K2.6 measured |
| LMArena Vision: creative writing | 1273 | 1231 | Kimi K2.6 |
| LMArena Document | 1451 | Not measured | Only Kimi K2.6 measured |
| 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
| Benchmark | Kimi K2.6 | MiMo-V2.6-Flash | 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
MiMo-V2.6-Flash costs less
Repository review
50K input + 3K output tokens
MiMo-V2.6-Flash costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.6-Flash 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 K2.6 | Xiaomi MiMo-V2.6-Flash |
|---|---|---|
| Maker | Moonshot AI | Xiaomi |
| Weights | Open weights | Open weights |
| Released | April 20, 2026 | September 21, 2026 |
| Context window | 262K | 1.05M |
| Input $/Mtok | $0.65 | $0.14 |
| Output $/Mtok | $3.41 | $0.28 |
| Coding index | 44.2 | 61.9 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | $0.35 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Kimi K2.6 better than MiMo-V2.6-Flash for coding?
Pick MiMo-V2.6-Flash for coding: it scores 61.9 on the Vibe Coding Index against 44.2 for Kimi K2.6. Pick Kimi K2.6 when what matters is SciCode or Humanity's Last Exam (Artificial Analysis run), where it leads.
Which is cheaper, Kimi K2.6 or MiMo-V2.6-Flash?
Kimi K2.6 costs $0.65 per million input tokens and $3.41 per million output tokens; MiMo-V2.6-Flash costs $0.14 and $0.28. Cost per solved task is known for Kimi K2.6 only.
Which has the bigger context window, Kimi K2.6 or MiMo-V2.6-Flash?
MiMo-V2.6-Flash, with 1.05M tokens against 262K.
How many benchmarks is the Kimi K2.6 vs MiMo-V2.6-Flash comparison based on?
56 benchmarks have a result for both models as of October 21, 2026. Kimi K2.6's coding index rests on 1 independent benchmark and MiMo-V2.6-Flash's on 1. Where only one model has a result, the page says so instead of naming a winner.