Model comparison
Llama 3.1-70B vs MiMo-V2.5
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 29.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Llama 3.1-70B 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 35.4.
- MiMo-V2.5 is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.40 / $0.40 for Llama 3.1-70B.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 128K.
Side by side
| Llama 3.1-70B | MiMo-V2.5 | |
|---|---|---|
| Provider | Meta | Xiaomi |
| Noometry Index | 29.6 | 43.4 |
| Released | 2024-07-23 | 2026-04-22 |
| Weights | Open | Open |
| Context window | 128K | 1.05M |
| Max output | 4K | 131K |
| Input $ / M tokens | $0.40 | $0.14 |
| Output $ / M tokens | $0.40 | $0.28 |
| Results tracked | 35 | 23 |
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Category by category
Coding MiMo-V2.5 leads
Llama 3.1-70B: 30.3 (#296), MiMo-V2.5: 43.9 (#81)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Coding | 1260 | 1469 |
| LMArena WebDev | — | 1438 |
| SciCode | — | 43.1% |
| WeirdML | 9% | — |
| BigCodeBench Instruct | 46.1% | — |
| BigCodeBench Complete | 54.8% | — |
| ALE-Bench | — | 513.95 |
Agentic & Tool Use Not comparable
Llama 3.1-70B: 25.1 (#112), MiMo-V2.5: —
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| TheAgentCompany | 6.9% | — |
| BALROG | 27.9% | — |
Reasoning MiMo-V2.5 leads
Llama 3.1-70B: 21.6 (#220), MiMo-V2.5: 28.6 (#101)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Hard Prompts | 1241 | 1450 |
| CritPt | — | 3.7% |
| DTBench | 60% | — |
| LMCA | 14.8% | — |
| Epoch Capabilities Index | 125.92 | — |
Math MiMo-V2.5 leads
Llama 3.1-70B: 13.5 (#304), MiMo-V2.5: 36.8 (#163)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Math | 1252 | 1436 |
| OTIS Mock AIME 2024-2025 | 3.6% | — |
| ProofBench | — | 16% |
| Omni-MATH | 21% | — |
| MATH Level 5 | 36.7% | — |
Knowledge MiMo-V2.5 leads
Llama 3.1-70B: 24.2 (#269), MiMo-V2.5: 40.8 (#115)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1209 | 1460 |
| GPQA Diamond | 44.2% | — |
| MMLU-Pro | 65.3% | — |
| GPQA (HELM) | 42.6% | — |
| MMLU | 80.1% | — |
Multimodal Not comparable
Llama 3.1-70B: —, MiMo-V2.5: 39.8 (#54)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | — | 1247 |
Multilingual MiMo-V2.5 leads
Llama 3.1-70B: 38.8 (#225), MiMo-V2.5: 51.9 (#99)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1219 | 1404 |
| LMArena Chinese | 1215 | 1468 |
| LMArena French | 1261 | 1447 |
| LMArena German | 1222 | 1421 |
| LMArena Japanese | 1132 | 1306 |
| LMArena Korean | 1140 | 1363 |
| LMArena Russian | 1234 | 1395 |
| LMArena Spanish | 1253 | 1416 |
Instruction Following MiMo-V2.5 leads
Llama 3.1-70B: 65.3 (#223), MiMo-V2.5: 75.5 (#60)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1231 | 1434 |
| IFEval | 82.1% | — |
Long Context MiMo-V2.5 leads
Llama 3.1-70B: 37.6 (#214), MiMo-V2.5: 44.2 (#73)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1241 | 1445 |
Writing & Preference MiMo-V2.5 leads
Llama 3.1-70B: 35.4 (#267), MiMo-V2.5: 61.6 (#86)
| Benchmark | Llama 3.1-70B | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1261 | 1428 |
| LMArena Creative Writing | 1232 | 1393 |
| LMArena Multi-Turn | 1256 | 1445 |
| EQ-Bench Creative Writing | 784 | — |
| WildBench | 75.8% | — |
Frequently asked questions
Is Llama 3.1-70B better than MiMo-V2.5?
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 29.6 on the Noometry Index.
Which is cheaper, Llama 3.1-70B or MiMo-V2.5?
MiMo-V2.5 is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Llama 3.1-70B lists at $0.40 and $0.40.
Is Llama 3.1-70B or MiMo-V2.5 better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.9 versus 30.3 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5 does, with 1.05M tokens against 128K.
How many benchmarks do Llama 3.1-70B and MiMo-V2.5 share?
17 benchmarks have published results for both models. Llama 3.1-70B has 35 scored results on Noometry and MiMo-V2.5 has 23.