# Llama 2-13B vs Llama 3.1-70B

> Llama 2-13B and Llama 3.1-70B score almost the same on the Noometry Index (29.6 vs 29.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/llama-2-13b-vs-llama-3-1-70b
- Last updated: 2026-10-12
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Llama 2-13B scores higher in 3 categories and Llama 3.1-70B in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Llama 2-13B leads 31.1 to 13.5.
- The biggest single-benchmark swing is DTBench: 42.2% for Llama 2-13B and 60% for Llama 3.1-70B.

## Snapshot

| | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| Provider | Meta | Meta |
| Noometry Index | 29.6 | 29.6 |
| Rank | 309 | 308 |
| Context | — | 128K |
| Input $/M | — | $0.40 |
| Output $/M | — | $0.40 |
| Weights | Open | Open |

## Coding

- Llama 2-13B: 30.9 (#291)
- Llama 3.1-70B: 30.3 (#296)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Coding | 1062 | 1260 |
| WeirdML | — | 9% |
| BigCodeBench Instruct | — | 46.1% |
| BigCodeBench Complete | — | 54.8% |

## Agentic & Tool Use

- Llama 2-13B: —
- Llama 3.1-70B: 25.1 (#112)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| TheAgentCompany | — | 6.9% |
| BALROG | — | 27.9% |

## Reasoning

- Llama 2-13B: 12.8 (#337)
- Llama 3.1-70B: 21.6 (#220)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Hard Prompts | 1051 | 1241 |
| DTBench | 42.2% | 60% |
| Epoch Capabilities Index | 106.17 | 125.92 |
| Chess Puzzles | 0% | — |
| LMCA | — | 14.8% |
| BIG-Bench Hard | 58.2% | — |
| HellaSwag | 80.7% | — |
| LAMBADA | 76.5% | — |
| PIQA | 80.8% | — |
| WinoGrande | 72.8% | — |

## Math

- Llama 2-13B: 31.1 (#229)
- Llama 3.1-70B: 13.5 (#304)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Math | 1065 | 1252 |
| OTIS Mock AIME 2024-2025 | — | 3.6% |
| Omni-MATH | — | 21% |
| MATH Level 5 | — | 36.7% |
| GSM8K | 36.9% | — |

## Knowledge

- Llama 2-13B: 28.1 (#249)
- Llama 3.1-70B: 24.2 (#269)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Expert | 1030 | 1209 |
| MMLU | 55.6% | 80.1% |
| GPQA Diamond | — | 44.2% |
| MMLU-Pro | — | 65.3% |
| GPQA (HELM) | — | 42.6% |
| ARC (AI2) Challenge | 60.3% | — |
| BoolQ | 82.4% | — |
| OpenBookQA | 57% | — |
| TriviaQA | 79.6% | — |

## Multimodal

- Llama 2-13B: —
- Llama 3.1-70B: —

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| ScienceQA | 55.8% | — |

## Multilingual

- Llama 2-13B: 26.5 (#279)
- Llama 3.1-70B: 38.8 (#225)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Non-English | 1024 | 1219 |
| LMArena Chinese | 1001 | 1215 |
| LMArena French | 1044 | 1261 |
| LMArena German | 1009 | 1222 |
| LMArena Japanese | 894 | 1132 |
| LMArena Korean | 953 | 1140 |
| LMArena Russian | 1055 | 1234 |
| LMArena Spanish | 1087 | 1253 |

## Instruction Following

- Llama 2-13B: 53.3 (#287)
- Llama 3.1-70B: 65.3 (#223)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Instruction Following | 1045 | 1231 |
| IFEval | — | 82.1% |

## Long Context

- Llama 2-13B: 32.3 (#269)
- Llama 3.1-70B: 37.6 (#214)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Longer Query | 1064 | 1241 |

## Writing & Preference

- Llama 2-13B: 29.8 (#289)
- Llama 3.1-70B: 35.4 (#267)

| Benchmark | Llama 2-13B | Llama 3.1-70B |
|---|---|---|
| LMArena Text | 1084 | 1261 |
| LMArena Creative Writing | 1047 | 1232 |
| LMArena Multi-Turn | 1050 | 1256 |
| EQ-Bench Creative Writing | — | 784 |
| WildBench | — | 75.8% |

## FAQ

### Is Llama 2-13B better than Llama 3.1-70B?

Llama 2-13B and Llama 3.1-70B score almost the same on the Noometry Index (29.6 vs 29.6), so choose on price, context window or the category you care about most.

### Is Llama 2-13B or Llama 3.1-70B better for coding?

They score almost the same on coding (30.9 vs 30.3); test both on your own repository before choosing.

### How many benchmarks do Llama 2-13B and Llama 3.1-70B share?

20 benchmarks have published results for both models. Llama 2-13B has 32 scored results on Noometry and Llama 3.1-70B has 35.