Model comparison
MiMo-V2.6-Flash vs Nemotron 3.5 Lightning
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 39.3 on the Noometry Index. Nemotron 3.5 Lightning costs 2.1× less per token, which makes it the better buy when MiMo-V2.6-Flash's lead doesn't matter for your workload.
Last verified . 12 shared benchmarks.
NVIDIASummary
- They share 12 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 63.9 to 48.5.
- Nemotron 3.5 Lightning is cheaper at $0.06 / $0.16 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 | 44.4 | 39.3 |
| Released | 2026-09-22 | 2026-08-11 |
| Weights | Open | Open |
| Context window | 1.05M | 262K |
| Max output | 131K | 262K |
| Input $ / M tokens | $0.14 | $0.06 |
| Output $ / M tokens | $0.28 | $0.16 |
| Results tracked | 13 | 18 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.3 (#68), Nemotron 3.5 Lightning: 39.6 (#143)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Coding | 1516 | 1370 |
Reasoning MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 29.6 (#82), Nemotron 3.5 Lightning: 25.7 (#128)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | 1481 | 1335 |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 37.4 (#97), Nemotron 3.5 Lightning: 34.7 (#156)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Math | 1477 | 1355 |
Knowledge MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 42.0 (#91), Nemotron 3.5 Lightning: 36.9 (#154)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Expert | 1516 | 1354 |
Multimodal Not comparable
MiMo-V2.6-Flash: 40.2 (#39), Nemotron 3.5 Lightning: —
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Vision | 1266 | — |
Multilingual MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 54.6 (#41), Nemotron 3.5 Lightning: 44.0 (#175)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | 1439 | 1292 |
| LMArena Chinese | 1501 | 1356 |
| LMArena Russian | 1424 | 1257 |
| LMArena French | — | 1369 |
| LMArena German | — | 1280 |
| LMArena Japanese | — | 1213 |
| LMArena Korean | — | 1233 |
| LMArena Spanish | — | 1321 |
Instruction Following MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 77.0 (#33), Nemotron 3.5 Lightning: 69.8 (#166)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | 1463 | 1317 |
Long Context MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.8 (#52), Nemotron 3.5 Lightning: 39.9 (#160)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | 1465 | 1312 |
Writing & Preference MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 63.9 (#61), Nemotron 3.5 Lightning: 48.5 (#198)
| Benchmark | MiMo-V2.6-Flash | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | 1459 | 1324 |
| LMArena Creative Writing | 1408 | 1254 |
| LMArena Multi-Turn | 1460 | 1327 |
| 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 44.4 to 39.3 on the Noometry Index. Nemotron 3.5 Lightning costs 2.1× 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 $0.06 per million input tokens and $0.16 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: 44.3 versus 39.6 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?
12 benchmarks have published results for both models. MiMo-V2.6-Flash has 13 scored results on Noometry and Nemotron 3.5 Lightning has 18.