# Llama2 70b Steerlm Chat vs Mercury 2

> Mercury 2 is the stronger model overall, scoring 38.8 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama2-70b-steerlm-chat-vs-mercury-2
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Llama2 70b Steerlm Chat scores higher in 0 categories and Mercury 2 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mercury 2 leads 54.0 to 31.8.
- Llama2 70b Steerlm Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| Provider | NVIDIA | Inception |
| Noometry Index | 31.2 | 38.8 |
| Rank | 265 | 167 |
| Context | — | 128K |
| Input $/M | — | $0.25 |
| Output $/M | — | $0.75 |
| Weights | Open | Proprietary |

## Coding

- Llama2 70b Steerlm Chat: 29.3 (#295)
- Mercury 2: 33.2 (#250)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Coding | 1025 | 1391 |
| LMArena WebDev | — | 1170 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| ALE-Bench | — | 785.58 |

## Reasoning

- Llama2 70b Steerlm Chat: 19.1 (#245)
- Mercury 2: 23.0 (#170)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Hard Prompts | 1047 | 1362 |
| CritPt | — | 0.8% |

## Math

- Llama2 70b Steerlm Chat: 28.8 (#223)
- Mercury 2: —

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Math | 1072 | — |

## Knowledge

- Llama2 70b Steerlm Chat: —
- Mercury 2: 35.6 (#170)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |

## Multilingual

- Llama2 70b Steerlm Chat: 28.9 (#265)
- Mercury 2: 46.8 (#153)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Non-English | 1064 | 1331 |
| LMArena Chinese | — | 1416 |
| LMArena Russian | — | 1303 |

## Instruction Following

- Llama2 70b Steerlm Chat: 54.5 (#274)
- Mercury 2: 70.4 (#161)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | 1061 | 1328 |

## Long Context

- Llama2 70b Steerlm Chat: 30.4 (#283)
- Mercury 2: 40.4 (#149)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Longer Query | 998 | 1329 |

## Writing & Preference

- Llama2 70b Steerlm Chat: 31.8 (#278)
- Mercury 2: 54.0 (#151)

| Benchmark | Llama2 70b Steerlm Chat | Mercury 2 |
|---|---|---|
| LMArena Text | 1098 | 1355 |
| LMArena Creative Writing | 1091 | 1289 |
| LMArena Multi-Turn | 1058 | 1358 |

## FAQ

### Is Llama2 70b Steerlm Chat better than Mercury 2?

Mercury 2 is the stronger model overall, scoring 38.8 to 31.2 on the Noometry Index.

### Is Llama2 70b Steerlm Chat or Mercury 2 better for coding?

Mercury 2 scores higher on coding benchmarks: 33.2 versus 29.3 in the Noometry coding category.

### How many benchmarks do Llama2 70b Steerlm Chat and Mercury 2 share?

8 benchmarks have published results for both models. Llama2 70b Steerlm Chat has 9 scored results on Noometry and Mercury 2 has 17.