Model comparison
Llama 3.1 Nemotron 51b Instruct vs MiMo-V2.6-Pro
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 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-V2.6-Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Pro leads 66.8 to 43.4.
Side by side
| Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | NVIDIA | Xiaomi |
| Noometry Index | 35.9 | 50.3 |
| Released | — | 2026-09-21 |
| Weights | Open | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.43 |
| Output $ / M tokens | — | $0.87 |
| Results tracked | 12 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), MiMo-V2.6-Pro: 55.5 (#23)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1223 | 1534 |
| LMArena WebDev | — | 1629 |
| SciCode | — | 60.9% |
| ALE-Bench | — | 1,158 |
Agentic & Tool Use Not comparable
Llama 3.1 Nemotron 51b Instruct: —, MiMo-V2.6-Pro: 37.5 (#35)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |
Reasoning MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), MiMo-V2.6-Pro: 43.1 (#50)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1512 |
| CritPt | — | 26.6% |
Math MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), MiMo-V2.6-Pro: 54.5 (#45)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1230 | 1494 |
| ProofBench | — | 70% |
Knowledge MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), MiMo-V2.6-Pro: 43.5 (#92)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1167 | 1543 |
Multimodal Not comparable
Llama 3.1 Nemotron 51b Instruct: —, MiMo-V2.6-Pro: 40.8 (#43)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1264 |
Multilingual MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), MiMo-V2.6-Pro: 56.9 (#14)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1181 | 1474 |
| LMArena Chinese | 1180 | 1529 |
| LMArena Russian | 1187 | 1480 |
Instruction Following MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), MiMo-V2.6-Pro: 78.2 (#12)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1201 | 1493 |
Long Context MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), MiMo-V2.6-Pro: 46.0 (#27)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1205 | 1501 |
Writing & Preference MiMo-V2.6-Pro leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), MiMo-V2.6-Pro: 66.8 (#33)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1228 | 1492 |
| LMArena Creative Writing | 1213 | 1468 |
| LMArena Multi-Turn | 1227 | 1464 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or MiMo-V2.6-Pro better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and MiMo-V2.6-Pro share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and MiMo-V2.6-Pro has 19.