# Llama 3.1-8B vs MiMo-V2.6-Pro

> MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 22.8 on the Noometry Index. Llama 3.1-8B costs 9.5× less per token, which makes it the better buy when MiMo-V2.6-Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/llama-3-1-8b-vs-mimo-v2-6-pro
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Llama 3.1-8B 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 66.9 to 29.9.
- Llama 3.1-8B is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 128K.

## Snapshot

| | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| Provider | Meta | Xiaomi |
| Noometry Index | 22.8 | 46.7 |
| Rank | 347 | 55 |
| Context | 128K | 1.05M |
| Input $/M | $0.05 | $0.43 |
| Output $/M | $0.08 | $0.87 |
| Weights | Open | Open |

## Coding

- Llama 3.1-8B: 19.9 (#335)
- MiMo-V2.6-Pro: 53.2 (#27)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Coding | 1195 | 1538 |
| LMArena WebDev | — | 1618 |
| SciCode | 13.2% | — |
| WeirdML | 1.7% | — |
| BigCodeBench Instruct | 32.8% | — |
| BigCodeBench Complete | 40.5% | — |
| HumanEval+ | 62.8% | — |
| MBPP+ | 55.6% | — |

## Agentic & Tool Use

- Llama 3.1-8B: 22.3 (#123)
- MiMo-V2.6-Pro: —

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25.8% | — |
| BALROG | 15.1% | — |

## Reasoning

- Llama 3.1-8B: 14.5 (#316)
- MiMo-V2.6-Pro: 30.4 (#76)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Hard Prompts | 1175 | 1511 |
| CritPt | 0% | — |
| Chess Puzzles | 0% | — |
| DTBench | 50.9% | — |
| LMCA | 5.4% | — |
| Epoch Capabilities Index | 116.48 | — |
| PIQA | 81.2% | — |

## Math

- Llama 3.1-8B: 9.5 (#311)
- MiMo-V2.6-Pro: 37.9 (#91)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Math | 1179 | 1497 |
| OTIS Mock AIME 2024-2025 | 1.7% | — |
| Omni-MATH | 13.7% | — |
| MATH Level 5 | 22.9% | — |
| GSM8K | 82.4% | — |

## Knowledge

- Llama 3.1-8B: 8.0 (#302)
- MiMo-V2.6-Pro: 43.0 (#85)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Expert | 1144 | 1548 |
| GPQA Diamond | 27% | — |
| MMLU-Pro | 40.6% | — |
| GPQA (HELM) | 24.7% | — |
| BoolQ | 82.8% | — |
| MMLU | 56.1% | — |

## Multimodal

- Llama 3.1-8B: —
- MiMo-V2.6-Pro: 40.2 (#40)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1265 |

## Multilingual

- Llama 3.1-8B: 34.2 (#244)
- MiMo-V2.6-Pro: 57.0 (#15)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | 1148 | 1474 |
| LMArena Chinese | 1151 | 1532 |
| LMArena Russian | 1158 | 1481 |
| LMArena French | 1176 | — |
| LMArena German | 1144 | — |
| LMArena Japanese | 1061 | — |
| LMArena Korean | 1053 | — |
| LMArena Spanish | 1169 | — |

## Instruction Following

- Llama 3.1-8B: 59.1 (#253)
- MiMo-V2.6-Pro: 78.2 (#10)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | 1159 | 1490 |
| IFEval | 74.3% | — |

## Long Context

- Llama 3.1-8B: 35.8 (#233)
- MiMo-V2.6-Pro: 46.0 (#26)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | 1182 | 1500 |

## Writing & Preference

- Llama 3.1-8B: 29.9 (#285)
- MiMo-V2.6-Pro: 66.9 (#32)

| Benchmark | Llama 3.1-8B | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | 1187 | 1491 |
| LMArena Creative Writing | 1154 | 1465 |
| LMArena Multi-Turn | 1172 | 1463 |
| EQ-Bench Creative Writing | 713 | — |
| WildBench | 68.7% | — |

## FAQ

### Is Llama 3.1-8B better than MiMo-V2.6-Pro?

MiMo-V2.6-Pro is the stronger model overall, scoring 46.7 to 22.8 on the Noometry Index. Llama 3.1-8B costs 9.5× less per token, which makes it the better buy when MiMo-V2.6-Pro's lead doesn't matter for your workload.

### Which is cheaper, Llama 3.1-8B or MiMo-V2.6-Pro?

Llama 3.1-8B is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.

### Is Llama 3.1-8B or MiMo-V2.6-Pro better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 53.2 versus 19.9 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Pro does, with 1.05M tokens against 128K.

### How many benchmarks do Llama 3.1-8B and MiMo-V2.6-Pro share?

12 benchmarks have published results for both models. Llama 3.1-8B has 43 scored results on Noometry and MiMo-V2.6-Pro has 14.