# Llama 13b vs Step 3.5 Flash

> Step 3.5 Flash is the stronger model overall, scoring 41.7 to 23.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-13b-vs-step-3-5-flash
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Llama 13b scores higher in 0 categories and Step 3.5 Flash in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3.5 Flash leads 59.0 to 13.9.

## Snapshot

| | Llama 13b | Step 3.5 Flash |
|---|---|---|
| Provider | Meta | StepFun |
| Noometry Index | 23.9 | 41.7 |
| Rank | 344 | 116 |
| Context | — | 256K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.30 |
| Weights | Open | Open |

## Coding

- Llama 13b: 20.9 (#332)
- Step 3.5 Flash: 41.7 (#106)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Coding | 683 | 1436 |

## Reasoning

- Llama 13b: 13.4 (#327)
- Step 3.5 Flash: 21.2 (#202)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Hard Prompts | 728 | 1411 |
| NYT Connections (extended) | — | 28.4% |
| BIG-Bench Hard | 37.9% | — |
| Epoch Capabilities Index | 100.09 | — |
| HellaSwag | 79.2% | — |
| LAMBADA | 75.2% | — |
| PIQA | 80.1% | — |
| WinoGrande | 73% | — |

## Math

- Llama 13b: 24.4 (#259)
- Step 3.5 Flash: 40.6 (#77)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Math | 838 | 1408 |
| MathArena Final-Answer Competitions | — | 66.8% |
| GSM8K | 20.6% | — |

## Knowledge

- Llama 13b: —
- Step 3.5 Flash: 39.0 (#127)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Expert | — | 1422 |
| ARC (AI2) Challenge | 52.7% | — |
| BoolQ | 78.7% | — |
| MMLU | 47.7% | — |
| OpenBookQA | 56.4% | — |
| TriviaQA | 77.9% | — |

## Multimodal

- Llama 13b: —
- Step 3.5 Flash: —

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| ScienceQA | 43.3% | — |

## Multilingual

- Llama 13b: 16.8 (#292)
- Step 3.5 Flash: 50.7 (#115)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Non-English | 819 | 1386 |
| LMArena Chinese | — | 1448 |
| LMArena French | — | 1421 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1353 |
| LMArena Korean | — | 1350 |
| LMArena Russian | — | 1385 |
| LMArena Spanish | — | 1419 |

## Instruction Following

- Llama 13b: 36.9 (#300)
- Step 3.5 Flash: 73.3 (#119)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Instruction Following | 781 | 1385 |

## Long Context

- Llama 13b: —
- Step 3.5 Flash: 42.8 (#112)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Longer Query | — | 1402 |

## Writing & Preference

- Llama 13b: 13.9 (#307)
- Step 3.5 Flash: 59.0 (#108)

| Benchmark | Llama 13b | Step 3.5 Flash |
|---|---|---|
| LMArena Text | 834 | 1403 |
| LMArena Creative Writing | 794 | 1357 |
| LMArena Multi-Turn | 753 | 1405 |

## FAQ

### Is Llama 13b better than Step 3.5 Flash?

Step 3.5 Flash is the stronger model overall, scoring 41.7 to 23.9 on the Noometry Index.

### Is Llama 13b or Step 3.5 Flash better for coding?

Step 3.5 Flash scores higher on coding benchmarks: 41.7 versus 20.9 in the Noometry coding category.

### How many benchmarks do Llama 13b and Step 3.5 Flash share?

8 benchmarks have published results for both models. Llama 13b has 21 scored results on Noometry and Step 3.5 Flash has 19.