Gemini 4 Carbon vs MiMo-V2.6-Flash
Gemini 4 Carbon leads MiMo-V2.6-Flash on coding, 86.6 to 54.8 on the Vibe Coding Index, and MiMo-V2.6-Flash costs 35.7x less per output token ($0.28 vs $10.00 per million). Updated November 14, 2026; 39 benchmarks have a result for both.
Gemini 4 Carbon or MiMo-V2.6-Flash: which to pick
Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 54.8 for MiMo-V2.6-Flash.
Pick MiMo-V2.6-Flash for output tokens 35.7x cheaper ($0.28 vs $10.00 per million) and a larger context window (1.05M against 1.05M tokens).
- Shared results
- 39
- Gemini 4 Carbon only
- 34
- MiMo-V2.6-Flash only
- 37
- 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.
Coding
Vibe Coding Index, six public coding benchmarks
Gemini 4 Carbon
Gemini 4 Carbon scores 86.6 against 54.8.
4 and 3 benchmarks behind the scores
Intelligence
AA Intelligence Index
Gemini 4 Carbon
Gemini 4 Carbon leads, 60.0 against 26.7.
Same board, both measured
Web design
Design Arena: websites
No call
Only Gemini 4 Carbon has a Design Arena: websites result, 1319.
Directional only
General
Vals Index
Gemini 4 Carbon
Gemini 4 Carbon leads, 70.5% against 54.8%.
Same board, both measured
Long documents
Listed context window
MiMo-V2.6-Flash
MiMo-V2.6-Flash takes 1.05M tokens against 1.05M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.6-Flash
Gemini 4 Carbon $0.0070, MiMo-V2.6-Flash $0.0003 per turn.
List prices
At a glance
- Coding index
- Gemini 4 Carbon 86.6 from 4 benchmarks, MiMo-V2.6-Flash 54.8 from 3 benchmarks.
- Widest category
- Intelligence, 33.3 points apart on average over 1 shared benchmark.
- Widest single gap
- HLE-Diamond (Artificial Analysis run): Gemini 4 Carbon 69.1% against MiMo-V2.6-Flash 13.7%, 55.4 points apart on a 0 to 100 scale.
- Output price
- Gemini 4 Carbon $10.00 against MiMo-V2.6-Flash $0.28 per million output tokens, 35.7x apart.
- Context window
- Gemini 4 Carbon takes 1.05M 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 | Gemini 4 Carbon | Bars | MiMo-V2.6-Flash | Ties |
|---|---|---|---|---|
| Coding | 10 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 3 | 0 | ||
| Reasoning | 5 | 0 | ||
| Math | 1 | 0 | ||
| Knowledge | 5 | 0 | ||
| General | 14 | 0 | ||
| All shared boards | 39 | 0 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index100
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| LiveBench coding | 91.0% | Not measured | Only Gemini 4 Carbon measured |
| LMArena WebDev | 1768 | 1638 | Gemini 4 Carbon |
| Terminal-Bench 4 (Vals AI) | 63.1% | 24.2% | Gemini 4 Carbon |
| Vibe Code Bench (Vals AI) | 89.1% | 79.0% | Gemini 4 Carbon |
| Code migration (Vals AI) | Not measured | 40.9% | Only MiMo-V2.6-Flash measured |
| ProgramBench (Vals AI) | Not measured | 0.5% | Only MiMo-V2.6-Flash measured |
| IOI (Vals AI) | Not measured | 47.7% | Only MiMo-V2.6-Flash measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 76.4% | Only MiMo-V2.6-Flash measured |
| CyberBench (Vals AI) | Not measured | 75.4% | Only MiMo-V2.6-Flash measured |
| SciCode | Not measured | 51.3% | Only MiMo-V2.6-Flash measured |
| Terminal-Bench 4.0 (Artificial Analysis run) | 65.2% | 22.7% | Gemini 4 Carbon |
| FrontierCode 2.0 | 40.6% | 21.6% | Gemini 4 Carbon |
| FrontierSWE | 61.2% | Not measured | Only Gemini 4 Carbon measured |
| ALE-Bench | 2374.7 | 1244.2 | Gemini 4 Carbon |
| LMArena Text: coding | 1564 | 1497 | Gemini 4 Carbon |
| LMArena Text: software and IT | 1552 | 1493 | Gemini 4 Carbon |
| LMArena WebDev: React | 1792 | 1654 | Gemini 4 Carbon |
| LMArena WebDev: HTML | 1770 | 1637 | Gemini 4 Carbon |
| LMArena WebDev: from an image | Not measured | 1593 | Only MiMo-V2.6-Flash measured |
| GameBench 2 | Not measured | 59.0 | Only MiMo-V2.6-Flash measured |
| Terminal-Bench 4.0 | Not measured | 16.1% | Only MiMo-V2.6-Flash measured |
| CursorBench 4.0 | 60.4% | Not measured | Only Gemini 4 Carbon measured |
| Neither model has a result on the other 30 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| AA Intelligence Index | 60.0 | 26.7 | Gemini 4 Carbon |
| Epoch Capabilities Index | 169.8 | Not measured | Only Gemini 4 Carbon measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index30
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Design Arena: agents building mobile apps | 1284 | Not measured | Only Gemini 4 Carbon measured |
| Design Arena: spreadsheets | 1224 | Not measured | Only Gemini 4 Carbon measured |
| LiveBench research | 92.5% | Not measured | Only Gemini 4 Carbon measured |
| LiveBench browser | 80.0% | Not measured | Only Gemini 4 Carbon measured |
| LiveBench long agentic | 72.7% | Not measured | Only Gemini 4 Carbon measured |
| SREBench (Vals AI) | Not measured | 4.2% | Only MiMo-V2.6-Flash measured |
| Finance Agent (Vals AI) | Not measured | 56.3% | Only MiMo-V2.6-Flash measured |
| Tax Agent Bench (Vals AI) | 51.8% | 28.5% | Gemini 4 Carbon |
| Legal Research Bench (Vals AI) | 55.8% | 38.0% | Gemini 4 Carbon |
| Harvey's Legal Agent Benchmark (Vals AI) | 17.5% | 13.3% | Gemini 4 Carbon |
| Excel Modeling Benchmark (Vals AI) | Not measured | 65.5% | Only MiMo-V2.6-Flash measured |
| 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 |
| APEX-Agents | 84.2% | Not measured | Only Gemini 4 Carbon measured |
| Vending-Bench 2 | $16,484 | Not measured | Only Gemini 4 Carbon measured |
| Neither model has a result on the other 28 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| LiveBench reasoning | 90.6% | Not measured | Only Gemini 4 Carbon measured |
| MysteryMechanism (Vals AI) | Not measured | 21.6% | Only MiMo-V2.6-Flash measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 35.1% | Only MiMo-V2.6-Flash measured |
| HLE-Diamond (Artificial Analysis run) | 69.1% | 13.7% | Gemini 4 Carbon |
| CritPt v2, hard subset (Artificial Analysis run) | 69.0% | 29.5% | Gemini 4 Carbon |
| GPQA Diamond (Epoch AI run) | 96.5% | Not measured | Only Gemini 4 Carbon measured |
| ARC-AGI | 98.5% | Not measured | Only Gemini 4 Carbon measured |
| ARC-AGI-2 | 94.2% | Not measured | Only Gemini 4 Carbon measured |
| SimpleBench | 92.6% | Not measured | Only Gemini 4 Carbon measured |
| Chess puzzles | 78.0% | Not measured | Only Gemini 4 Carbon measured |
| Mystery game puzzles | 73.0% | Not measured | Only Gemini 4 Carbon measured |
| EBR-bench | 87.6% | Not measured | Only Gemini 4 Carbon measured |
| LMArena Text: hard prompts | 1551 | 1468 | Gemini 4 Carbon |
| LMArena Text: expert | 1582 | 1497 | Gemini 4 Carbon |
| LMArena Text: hard prompts in English | 1545 | 1488 | Gemini 4 Carbon |
| LMArena Vision: diagrams | Not measured | 1266 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: homework | Not measured | 1288 | Only MiMo-V2.6-Flash measured |
| Neither model has a result on the other 9 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| OTIS Mock AIME | 100.0% | Not measured | Only Gemini 4 Carbon measured |
| FrontierMath, tiers 1 to 3 | 90.5% | Not measured | Only Gemini 4 Carbon measured |
| FrontierMath, tier 4 | 95.1% | Not measured | Only Gemini 4 Carbon measured |
| ProofBench | Not measured | 63.0% | Only MiMo-V2.6-Flash measured |
| LMArena Text: math | Not measured | 1467 | Only MiMo-V2.6-Flash measured |
| LMArena Text: mathematical work | 1538 | 1481 | Gemini 4 Carbon |
| MathArena | 85.4% | Not measured | Only Gemini 4 Carbon measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| MedCode (Vals AI) | Not measured | 41.1% | Only MiMo-V2.6-Flash measured |
| AA-Omniscience | 53.5 | -10.8 | Gemini 4 Carbon |
| SimpleQA Verified | 77.7% | Not measured | Only Gemini 4 Carbon measured |
| LMArena Text: science | 1535 | 1455 | Gemini 4 Carbon |
| LMArena Text: medicine and healthcare | 1525 | 1445 | Gemini 4 Carbon |
| LMArena Text: legal and government | 1542 | 1451 | Gemini 4 Carbon |
| LMArena Text: business and finance | 1520 | 1451 | Gemini 4 Carbon |
| FACTS Benchmark Suite | 78.4% | Not measured | Only Gemini 4 Carbon measured |
| PRBench Legal | 53.3% | Not measured | Only Gemini 4 Carbon measured |
| Neither model has a result on the other 12 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Design Arena: websites | 1319 | Not measured | Only Gemini 4 Carbon measured |
| Design Arena: UI components | 1357 | Not measured | Only Gemini 4 Carbon measured |
| Design Arena: game dev | 1326 | Not measured | Only Gemini 4 Carbon measured |
| Design Arena: 3D | 1434 | Not measured | Only Gemini 4 Carbon measured |
| Design Arena: all code categories | 1348 | Not measured | Only Gemini 4 Carbon measured |
| LiveBench design | 80.2% | Not measured | Only Gemini 4 Carbon measured |
| Neither model has a result on the other 3 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index140
| Benchmark | Gemini 4 Carbon | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Vals Index | 70.5% | 54.8% | Gemini 4 Carbon |
| LiveBench data analysis | 86.5% | Not measured | Only Gemini 4 Carbon measured |
| Public Benefits Bench (Vals AI) | Not measured | 67.6% | Only MiMo-V2.6-Flash measured |
| SAGE (Vals AI) | Not measured | 83.3% | Only MiMo-V2.6-Flash measured |
| MedScribe (Vals AI) | Not measured | 85.3% | Only MiMo-V2.6-Flash measured |
| Long context reasoning (AA-LCR) | 79.3% | 74.3% | Gemini 4 Carbon |
| GDPval-AA | 1733 | 1615 | Gemini 4 Carbon |
| Furniture assembly | 77.5% | Not measured | Only Gemini 4 Carbon measured |
| LMArena Text | 1538 | 1451 | Gemini 4 Carbon |
| LMArena Text: instruction following | 1539 | 1445 | Gemini 4 Carbon |
| LMArena Text: creative writing | 1533 | 1402 | Gemini 4 Carbon |
| LMArena Vision | Not measured | 1260 | Only MiMo-V2.6-Flash measured |
| LMArena Text: English | 1530 | 1473 | Gemini 4 Carbon |
| LMArena Text: non-English | 1534 | 1430 | Gemini 4 Carbon |
| LMArena Text: Chinese | 1613 | 1516 | Gemini 4 Carbon |
| LMArena Text: German | Not measured | 1461 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Japanese | Not measured | 1362 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Korean | Not measured | 1411 | Only MiMo-V2.6-Flash measured |
| LMArena Text: French | Not measured | 1474 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Spanish | Not measured | 1462 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Russian | 1560 | 1415 | Gemini 4 Carbon |
| LMArena Text: Polish | Not measured | 1441 | Only MiMo-V2.6-Flash measured |
| LMArena Text: multi-turn | 1569 | 1443 | Gemini 4 Carbon |
| LMArena Text: longer queries | 1549 | 1455 | Gemini 4 Carbon |
| LMArena Text: writing and language | 1542 | 1418 | Gemini 4 Carbon |
| LMArena Text: entertainment and media | 1527 | 1414 | Gemini 4 Carbon |
| LMArena Vision: English | Not measured | 1274 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: Chinese | Not measured | 1346 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: reading text | Not measured | 1273 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: humor | Not measured | 1236 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: creative writing | Not measured | 1236 | Only MiMo-V2.6-Flash measured |
| Neither model has a result on the other 18 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Gemini 4 Carbon | 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 | Google Gemini 4 Carbon | Xiaomi MiMo-V2.6-Flash |
|---|---|---|
| Maker | Xiaomi | |
| Weights | No public weights listed | Open weights |
| Released | November 10, 2026 | September 21, 2026 |
| Context window | 1.05M | 1.05M |
| Input $/Mtok | $2.00 | $0.14 |
| Output $/Mtok | $10.00 | $0.28 |
| Coding index | 86.6 | 54.8 |
| Independent measurements behind it | 4 | 3 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Gemini 4 Carbon better than MiMo-V2.6-Flash for coding?
Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 54.8 for MiMo-V2.6-Flash. Pick MiMo-V2.6-Flash for output tokens 35.7x cheaper ($0.28 vs $10.00 per million) and a larger context window (1.05M against 1.05M tokens).
Which is cheaper, Gemini 4 Carbon or MiMo-V2.6-Flash?
Gemini 4 Carbon costs $2.00 per million input tokens and $10.00 per million output tokens; MiMo-V2.6-Flash costs $0.14 and $0.28. Cost per solved task is known for neither of them.
Which has the bigger context window, Gemini 4 Carbon or MiMo-V2.6-Flash?
MiMo-V2.6-Flash, with 1.05M tokens against 1.05M.
How many benchmarks is the Gemini 4 Carbon vs MiMo-V2.6-Flash comparison based on?
39 benchmarks have a result for both models as of November 14, 2026. Gemini 4 Carbon's coding index rests on 4 independent benchmarks and MiMo-V2.6-Flash's on 3. Where only one model has a result, the page says so instead of naming a winner.