# Codellama 34b Instruct vs Mercury 2

> Mercury 2 is the stronger model overall, scoring 38.8 to 30.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codellama-34b-instruct-vs-mercury-2
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Codellama 34b Instruct 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 28.4.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| Provider | Meta | Inception |
| Noometry Index | 30.2 | 38.8 |
| Rank | 285 | 167 |
| Context | — | 128K |
| Input $/M | — | $0.25 |
| Output $/M | — | $0.75 |
| Weights | Open | Proprietary |

## Coding

- Codellama 34b Instruct: 28.0 (#310)
- Mercury 2: 33.2 (#250)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Coding | 1046 | 1391 |
| LMArena WebDev | — | 1170 |
| SciCode | — | 38.7% |
| WeirdML | — | 43.2% |
| BigCodeBench Instruct | 29% | — |
| BigCodeBench Complete | 37.1% | — |
| ALE-Bench | — | 785.58 |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |

## Reasoning

- Codellama 34b Instruct: 18.8 (#250)
- Mercury 2: 23.0 (#170)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Hard Prompts | 1032 | 1362 |
| CritPt | — | 0.8% |

## Math

- Codellama 34b Instruct: 28.5 (#227)
- Mercury 2: —

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Math | 1056 | — |

## Knowledge

- Codellama 34b Instruct: —
- Mercury 2: 35.6 (#170)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| Vectara Hallucination Rate | — | 12.3% |
| LMArena Expert | — | 1358 |

## Multilingual

- Codellama 34b Instruct: 25.9 (#279)
- Mercury 2: 46.8 (#153)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Non-English | 1011 | 1331 |
| LMArena Chinese | 976 | 1416 |
| LMArena Russian | — | 1303 |

## Instruction Following

- Codellama 34b Instruct: 52.4 (#286)
- Mercury 2: 70.4 (#161)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Instruction Following | 1028 | 1328 |

## Long Context

- Codellama 34b Instruct: 30.8 (#279)
- Mercury 2: 40.4 (#149)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Longer Query | 1014 | 1329 |

## Writing & Preference

- Codellama 34b Instruct: 28.4 (#292)
- Mercury 2: 54.0 (#151)

| Benchmark | Codellama 34b Instruct | Mercury 2 |
|---|---|---|
| LMArena Text | 1066 | 1355 |
| LMArena Creative Writing | 1032 | 1289 |
| LMArena Multi-Turn | 1015 | 1358 |

## FAQ

### Is Codellama 34b Instruct better than Mercury 2?

Mercury 2 is the stronger model overall, scoring 38.8 to 30.2 on the Noometry Index.

### Is Codellama 34b Instruct or Mercury 2 better for coding?

Mercury 2 scores higher on coding benchmarks: 33.2 versus 28.0 in the Noometry coding category.

### How many benchmarks do Codellama 34b Instruct and Mercury 2 share?

9 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Mercury 2 has 17.