Model comparison
MiMo-V2.6-Flash vs Nemotron 3.5 Lightning
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 40.0 on the Noometry Index. Nemotron 3.5 Lightning costs 2.0× less per token, which makes it the better buy when MiMo-V2.6-Flash's lead doesn't matter for your workload.
Last verified . 14 shared benchmarks.
NVIDIASummary
- They share 14 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 8 categories and Nemotron 3.5 Lightning in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Flash leads 63.1 to 48.5.
- Nemotron 3.5 Lightning is cheaper at $0.05 / $0.20 per million input/output tokens, against $0.14 / $0.28 for MiMo-V2.6-Flash.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 262K.
Side by side
| MiMo-V2.6-Flash | Nemotron 3.5 Lightning | |
|---|---|---|
| Provider | Xiaomi | NVIDIA |
| Noometry Index | 48.5 | 40.0 |
| Released | 2026-09-21 | 2026-08-11 |
| Weights | Open | Open |
| Context window | 1.05M | 262K |
| Max output | 131K | 262K |
| Input $ / M tokens | $0.14 | $0.05 |
| Output $ / M tokens | $0.28 | $0.20 |
| Results tracked | 19 | 18 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 53.4 (#30), Nemotron 3.5 Lightning: 40.4 (#141)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Coding | 1504 | 1375 |
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |
Reasoning MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 36.5 (#66), Nemotron 3.5 Lightning: 26.8 (#127)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | 1482 | 1337 |
| CritPt | 12% | — |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 51.9 (#52), Nemotron 3.5 Lightning: 37.5 (#155)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Math | 1468 | 1359 |
| ProofBench | 63% | — |
Knowledge MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 42.2 (#99), Nemotron 3.5 Lightning: 37.5 (#154)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Expert | 1501 | 1356 |
Multimodal Not comparable
MiMo-V2.6-Flash: 40.5 (#47), Nemotron 3.5 Lightning: —
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 54.0 (#51), Nemotron 3.5 Lightning: 44.0 (#180)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | 1434 | 1295 |
| LMArena Chinese | 1511 | 1359 |
| LMArena French | 1475 | 1366 |
| LMArena Russian | 1409 | 1253 |
| LMArena Spanish | 1456 | 1345 |
| LMArena German | — | 1282 |
| LMArena Japanese | — | 1206 |
| LMArena Korean | — | 1238 |
Instruction Following MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 76.8 (#35), Nemotron 3.5 Lightning: 69.6 (#170)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | 1463 | 1318 |
Long Context MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.8 (#57), Nemotron 3.5 Lightning: 39.9 (#165)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | 1463 | 1314 |
Writing & Preference MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 63.1 (#67), Nemotron 3.5 Lightning: 48.5 (#201)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | 1455 | 1327 |
| LMArena Creative Writing | 1400 | 1254 |
| LMArena Multi-Turn | 1451 | 1328 |
| EQ-Bench Creative Writing | — | 1280 |
Frequently asked questions
Is MiMo-V2.6-Flash better than Nemotron 3.5 Lightning?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 40.0 on the Noometry Index. Nemotron 3.5 Lightning costs 2.0× less per token, which makes it the better buy when MiMo-V2.6-Flash's lead doesn't matter for your workload.
Which is cheaper, MiMo-V2.6-Flash or Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is cheaper. It lists at $0.05 per million input tokens and $0.20 per million output tokens; MiMo-V2.6-Flash lists at $0.14 and $0.28.
Is MiMo-V2.6-Flash or Nemotron 3.5 Lightning better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 40.4 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Flash does, with 1.05M tokens against 262K.
How many benchmarks do MiMo-V2.6-Flash and Nemotron 3.5 Lightning share?
14 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Nemotron 3.5 Lightning has 18.