# Claude Opus 4.1 vs Codellama 34b Instruct

> Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-opus-4-1-vs-codellama-34b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Claude Opus 4.1 scores higher in 6 categories and Codellama 34b Instruct in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Opus 4.1 leads 62.4 to 28.2.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 41.0 | 30.8 |
| Rank | 142 | 287 |
| Context | 200K | — |
| Input $/M | $15 | — |
| Output $/M | $75 | — |
| Weights | Proprietary | Open |

## Coding

- Claude Opus 4.1: 44.4 (#73)
- Codellama 34b Instruct: 28.5 (#314)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Coding | 1479 | 1046 |
| SWE-bench Verified | 73.3% | — |
| LMArena WebDev | 1390 | — |
| WeirdML | 45.9% | — |
| BigCodeBench Instruct | — | 29% |
| BigCodeBench Complete | — | 37.1% |
| ALE-Bench | 674.77 | — |
| AlgoTune | 1.34 | — |
| HumanEval+ | — | 43.9% |
| MBPP+ | — | 56.3% |

## Agentic & Tool Use

- Claude Opus 4.1: 35.0 (#41)
- Codellama 34b Instruct: —

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |

## Reasoning

- Claude Opus 4.1: 32.2 (#76)
- Codellama 34b Instruct: 19.6 (#255)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1032 |
| SimpleBench | 60% | — |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| Epoch Capabilities Index | 144.12 | — |
| ForecastBench | 62 | — |

## Math

- Claude Opus 4.1: 22.3 (#277)
- Codellama 34b Instruct: 31.0 (#230)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Math | 1431 | 1056 |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Claude Opus 4.1: 42.0 (#101)
- Codellama 34b Instruct: —

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |
| LMArena Expert | 1439 | — |

## Multimodal

- Claude Opus 4.1: 26.8 (#119)
- Codellama 34b Instruct: —

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| VPCT | 35% | — |

## Multilingual

- Claude Opus 4.1: 52.0 (#95)
- Codellama 34b Instruct: 25.8 (#284)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Non-English | 1405 | 1011 |
| LMArena Chinese | 1427 | 976 |
| LMArena French | 1431 | — |
| LMArena German | 1413 | — |
| LMArena Japanese | 1378 | — |
| LMArena Korean | 1380 | — |
| LMArena Russian | 1422 | — |
| LMArena Spanish | 1448 | — |

## Instruction Following

- Claude Opus 4.1: 75.6 (#58)
- Codellama 34b Instruct: 52.2 (#291)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Instruction Following | 1435 | 1028 |

## Long Context

- Claude Opus 4.1: 44.5 (#63)
- Codellama 34b Instruct: 30.9 (#284)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Longer Query | 1455 | 1013 |

## Writing & Preference

- Claude Opus 4.1: 62.4 (#74)
- Codellama 34b Instruct: 28.2 (#297)

| Benchmark | Claude Opus 4.1 | Codellama 34b Instruct |
|---|---|---|
| LMArena Text | 1419 | 1066 |
| LMArena Creative Writing | 1412 | 1032 |
| LMArena Multi-Turn | 1444 | 1015 |
| Short-Story Creative Writing | 84.7% | — |

## FAQ

### Is Claude Opus 4.1 better than Codellama 34b Instruct?

Claude Opus 4.1 is the stronger model overall, scoring 41.0 to 30.8 on the Noometry Index.

### Is Claude Opus 4.1 or Codellama 34b Instruct better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 28.5 in the Noometry coding category.

### How many benchmarks do Claude Opus 4.1 and Codellama 34b Instruct share?

10 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Codellama 34b Instruct has 14.