Model comparison
Llama 3.1 Nemotron 51b Instruct vs MiMo-V2.5
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 35.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
NVIDIASummary
- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 0 categories and MiMo-V2.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.5 leads 61.6 to 43.4.
Side by side
| Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 | |
|---|---|---|
| Provider | NVIDIA | Xiaomi |
| Noometry Index | 35.9 | 43.4 |
| Released | — | 2026-04-22 |
| Weights | Open | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 12 | 23 |
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Category by category
Coding MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), MiMo-V2.5: 43.9 (#81)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1223 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| ALE-Bench | — | 513.95 |
Reasoning MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), MiMo-V2.5: 28.6 (#101)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1450 |
| CritPt | — | 3.7% |
Math MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), MiMo-V2.5: 36.8 (#163)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1230 | 1436 |
| ProofBench | — | 16% |
Knowledge MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), MiMo-V2.5: 40.8 (#115)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1167 | 1460 |
Multimodal Not comparable
Llama 3.1 Nemotron 51b Instruct: —, MiMo-V2.5: 39.8 (#54)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1247 |
Multilingual MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), MiMo-V2.5: 51.9 (#99)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1181 | 1404 |
| LMArena Chinese | 1180 | 1468 |
| LMArena Russian | 1187 | 1395 |
| LMArena French | — | 1447 |
| LMArena German | — | 1421 |
| LMArena Japanese | — | 1306 |
| LMArena Korean | — | 1363 |
| LMArena Spanish | — | 1416 |
Instruction Following MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), MiMo-V2.5: 75.5 (#60)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1201 | 1434 |
Long Context MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), MiMo-V2.5: 44.2 (#73)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1205 | 1445 |
Writing & Preference MiMo-V2.5 leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), MiMo-V2.5: 61.6 (#86)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1228 | 1428 |
| LMArena Creative Writing | 1213 | 1393 |
| LMArena Multi-Turn | 1227 | 1445 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than MiMo-V2.5?
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or MiMo-V2.5 better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.9 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and MiMo-V2.5 share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and MiMo-V2.5 has 23.