# Codellama 34b Instruct vs Gemini 3.1 Pro Preview

> Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 30.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codellama-34b-instruct-vs-gemini-3-1-pro-preview
- Last updated: 2026-10-11
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Codellama 34b Instruct scores higher in 0 categories and Gemini 3.1 Pro Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 19.6.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | Meta | Google |
| Noometry Index | 30.8 | 56.7 |
| Rank | 287 | 23 |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $12 |
| Weights | Open | Proprietary |

## Coding

- Codellama 34b Instruct: 28.5 (#314)
- Gemini 3.1 Pro Preview: 42.5 (#99)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Coding | 1046 | 1484 |
| SWE-bench Verified | — | 75.6% |
| DeepSWE | — | 11.7% |
| LMArena WebDev | — | 1447 |
| SciCode | — | 58.9% |
| GSO | — | 22.6% |
| WeirdML | — | 72.1% |
| BigCodeBench Instruct | 29% | — |
| MirrorCode | — | 8.9% |
| BigCodeBench Complete | 37.1% | — |
| ALE-Bench | — | 1,161 |
| AlgoTune | — | 2.02 |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |

## Agentic & Tool Use

- Codellama 34b Instruct: —
- Gemini 3.1 Pro Preview: 37.7 (#34)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| Terminal-Bench | — | 80.2% |
| APEX-Agents | — | 35.3% |
| τ²-bench Banking | — | 26% |
| DeepResearch Bench | — | 47.8% |
| PostTrainBench | — | 22% |
| BALROG | — | 57% |
| ExploitBench | — | 26.1% |
| GBAEval | — | 0.8% |
| GDP.pdf | — | 17% |
| LMArena Search | — | 1211 |
| METR Time Horizons | — | 77% |
| Vending-Bench 2 | — | 3,774 |

## Reasoning

- Codellama 34b Instruct: 19.6 (#255)
- Gemini 3.1 Pro Preview: 71.7 (#12)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Hard Prompts | 1032 | 1485 |
| ARC-AGI-2 | — | 77.1% |
| SimpleBench | — | 79.6% |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | — | 98% |
| CritPt | — | 17.7% |
| Chess Puzzles | — | 55% |
| EnigmaEval | — | 36.8% |
| Thematic Generalization | — | 79.4% |
| EBR-Bench | — | 14.3% |
| Mystery Game Puzzles | — | 34% |
| DTBench | — | 97.1% |
| LMCA | — | 53.8% |
| Epoch Capabilities Index | — | 154.77 |
| ForecastBench | — | 59 |

## Math

- Codellama 34b Instruct: 31.0 (#230)
- Gemini 3.1 Pro Preview: 62.1 (#34)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Math | 1056 | 1485 |
| FrontierMath (Tiers 1-3) | — | 59.6% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 86.5% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 26% |
| FrontierMath (Feb 2025 set) | — | 36.9% |
| FrontierMath Tier 4 (v1) | — | 16.7% |

## Knowledge

- Codellama 34b Instruct: —
- Gemini 3.1 Pro Preview: 71.8 (#3)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| GPQA Diamond | — | 94.4% |
| Humanity's Last Exam | — | 46.4% |
| SimpleQA Verified | — | 73.5% |
| Vectara Hallucination Rate | — | 10.4% |
| LMArena Expert | — | 1485 |

## Multimodal

- Codellama 34b Instruct: —
- Gemini 3.1 Pro Preview: 37.9 (#69)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Vision | — | 1296 |
| Blueprint-Bench 2 | — | 26.5% |
| Furniture Assembly | — | 26.7% |
| LMArena Document | — | 1444 |

## Multilingual

- Codellama 34b Instruct: 25.8 (#284)
- Gemini 3.1 Pro Preview: 57.0 (#12)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Non-English | 1011 | 1477 |
| LMArena Chinese | 976 | 1529 |
| LMArena French | — | 1487 |
| LMArena German | — | 1491 |
| LMArena Japanese | — | 1493 |
| LMArena Korean | — | 1455 |
| LMArena Russian | — | 1498 |
| LMArena Spanish | — | 1479 |

## Instruction Following

- Codellama 34b Instruct: 52.2 (#291)
- Gemini 3.1 Pro Preview: 77.0 (#32)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1028 | 1466 |

## Long Context

- Codellama 34b Instruct: 30.9 (#284)
- Gemini 3.1 Pro Preview: 47.4 (#18)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1013 | 1483 |
| CL-bench | — | 20.8% |
| CL-bench Life | — | 16.9% |

## Writing & Preference

- Codellama 34b Instruct: 28.2 (#297)
- Gemini 3.1 Pro Preview: 66.1 (#37)

| Benchmark | Codellama 34b Instruct | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Text | 1066 | 1481 |
| LMArena Creative Writing | 1032 | 1482 |
| LMArena Multi-Turn | 1015 | 1488 |
| EQ-Bench Creative Writing | — | 1491 |
| EQ-Bench 4 | — | 1142 |

## FAQ

### Is Codellama 34b Instruct better than Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 30.8 on the Noometry Index.

### Is Codellama 34b Instruct or Gemini 3.1 Pro Preview better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 28.5 in the Noometry coding category.

### How many benchmarks do Codellama 34b Instruct and Gemini 3.1 Pro Preview share?

10 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and Gemini 3.1 Pro Preview has 71.