# Llama2 70b Steerlm Chat vs Sonar

> Sonar is the stronger model overall, scoring 38.5 to 31.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama2-70b-steerlm-chat-vs-sonar
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in writing & preference, where Sonar leads 52.6 to 31.6.
- Llama2 70b Steerlm Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| Provider | NVIDIA | Perplexity |
| Noometry Index | 31.8 | 38.5 |
| Rank | 268 | 187 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Open | Proprietary |

## Coding

- Llama2 70b Steerlm Chat: 29.9 (#300)
- Sonar: 35.7 (#221)

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1025 | — |

## Reasoning

- Llama2 70b Steerlm Chat: 20.0 (#246)
- Sonar: 21.1 (#227)

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1047 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- Llama2 70b Steerlm Chat: 31.3 (#226)
- Sonar: 33.7 (#200)

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1072 | — |

## Multilingual

- Llama2 70b Steerlm Chat: 28.8 (#270)
- Sonar: —

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LMArena Non-English | 1063 | — |

## Instruction Following

- Llama2 70b Steerlm Chat: 54.2 (#279)
- Sonar: 71.4 (#150)

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1060 | — |

## Long Context

- Llama2 70b Steerlm Chat: 30.4 (#288)
- Sonar: —

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LMArena Longer Query | 998 | — |

## Writing & Preference

- Llama2 70b Steerlm Chat: 31.6 (#283)
- Sonar: 52.6 (#167)

| Benchmark | Llama2 70b Steerlm Chat | Sonar |
|---|---|---|
| LMArena Text | 1098 | — |
| LMArena Creative Writing | 1091 | — |
| LMArena Multi-Turn | 1058 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is Llama2 70b Steerlm Chat better than Sonar?

Sonar is the stronger model overall, scoring 38.5 to 31.8 on the Noometry Index.

### Is Llama2 70b Steerlm Chat or Sonar better for coding?

Sonar scores higher on coding benchmarks: 35.7 versus 29.9 in the Noometry coding category.

### How many benchmarks do Llama2 70b Steerlm Chat and Sonar share?

0 benchmarks have published results for both models. Llama2 70b Steerlm Chat has 9 scored results on Noometry and Sonar has 7.