Model comparison
MiMo-V2.5 vs Nemotron 3.5 Lightning
MiMo-V2.5 is the stronger model overall, scoring 43.4 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-V2.5's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
NVIDIASummary
- They share 17 benchmarks with published results for both. MiMo-V2.5 scores higher in 7 categories and Nemotron 3.5 Lightning in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.5 leads 61.6 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-V2.5.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 262K.
Side by side
| MiMo-V2.5 | Nemotron 3.5 Lightning | |
|---|---|---|
| Provider | Xiaomi | NVIDIA |
| Noometry Index | 43.4 | 40.0 |
| Released | 2026-04-22 | 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 | 23 | 18 |
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Category by category
Coding MiMo-V2.5 leads
MiMo-V2.5: 43.9 (#81), Nemotron 3.5 Lightning: 40.4 (#141)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Coding | 1469 | 1375 |
| LMArena WebDev | 1438 | — |
| SciCode | 43.1% | — |
| ALE-Bench | 513.95 | — |
Reasoning MiMo-V2.5 leads
MiMo-V2.5: 28.6 (#101), Nemotron 3.5 Lightning: 26.8 (#127)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | 1450 | 1337 |
| CritPt | 3.7% | — |
Math Too close to call
MiMo-V2.5: 36.8 (#163), Nemotron 3.5 Lightning: 37.5 (#155)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Math | 1436 | 1359 |
| ProofBench | 16% | — |
Knowledge MiMo-V2.5 leads
MiMo-V2.5: 40.8 (#115), Nemotron 3.5 Lightning: 37.5 (#154)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Expert | 1460 | 1356 |
Multimodal Not comparable
MiMo-V2.5: 39.8 (#54), Nemotron 3.5 Lightning: —
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Vision | 1247 | — |
Multilingual MiMo-V2.5 leads
MiMo-V2.5: 51.9 (#99), Nemotron 3.5 Lightning: 44.0 (#180)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | 1404 | 1295 |
| LMArena Chinese | 1468 | 1359 |
| LMArena French | 1447 | 1366 |
| LMArena German | 1421 | 1282 |
| LMArena Japanese | 1306 | 1206 |
| LMArena Korean | 1363 | 1238 |
| LMArena Russian | 1395 | 1253 |
| LMArena Spanish | 1416 | 1345 |
Instruction Following MiMo-V2.5 leads
MiMo-V2.5: 75.5 (#60), Nemotron 3.5 Lightning: 69.6 (#170)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | 1434 | 1318 |
Long Context MiMo-V2.5 leads
MiMo-V2.5: 44.2 (#73), Nemotron 3.5 Lightning: 39.9 (#165)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | 1445 | 1314 |
Writing & Preference MiMo-V2.5 leads
MiMo-V2.5: 61.6 (#86), Nemotron 3.5 Lightning: 48.5 (#201)
| Benchmark | MiMo-V2.5 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | 1428 | 1327 |
| LMArena Creative Writing | 1393 | 1254 |
| LMArena Multi-Turn | 1445 | 1328 |
| EQ-Bench Creative Writing | — | 1280 |
Frequently asked questions
Is MiMo-V2.5 better than Nemotron 3.5 Lightning?
MiMo-V2.5 is the stronger model overall, scoring 43.4 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-V2.5's lead doesn't matter for your workload.
Which is cheaper, MiMo-V2.5 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-V2.5 lists at $0.14 and $0.28.
Is MiMo-V2.5 or Nemotron 3.5 Lightning better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.9 versus 40.4 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5 does, with 1.05M tokens against 262K.
How many benchmarks do MiMo-V2.5 and Nemotron 3.5 Lightning share?
17 benchmarks have published results for both models. MiMo-V2.5 has 23 scored results on Noometry and Nemotron 3.5 Lightning has 18.