# Codellama 34b Instruct vs GPT-5.5 Instant

> GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 30.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codellama-34b-instruct-vs-gpt-5-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Codellama 34b Instruct scores higher in 1 category and GPT-5.5 Instant in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 62.0 to 28.4.
- Codellama 34b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| Provider | Meta | OpenAI |
| Noometry Index | 30.2 | 42.5 |
| Rank | 285 | 99 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Codellama 34b Instruct: 28.0 (#310)
- GPT-5.5 Instant: 43.7 (#73)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1046 | 1433 |
| SciCode | — | 48.6% |
| BigCodeBench Instruct | 29% | — |
| BigCodeBench Complete | 37.1% | — |
| HumanEval+ | 43.9% | — |
| MBPP+ | 56.3% | — |

## Reasoning

- Codellama 34b Instruct: 18.8 (#250)
- GPT-5.5 Instant: 24.2 (#149)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1032 | 1426 |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| Epoch Capabilities Index | — | 142.48 |

## Math

- Codellama 34b Instruct: 28.5 (#227)
- GPT-5.5 Instant: 26.1 (#241)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1056 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |

## Knowledge

- Codellama 34b Instruct: —
- GPT-5.5 Instant: 48.9 (#68)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| GPQA Diamond | — | 82.5% |
| LMArena Expert | — | 1409 |

## Multimodal

- Codellama 34b Instruct: —
- GPT-5.5 Instant: 39.3 (#48)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |

## Multilingual

- Codellama 34b Instruct: 25.9 (#279)
- GPT-5.5 Instant: 53.0 (#76)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1011 | 1417 |
| LMArena Chinese | 976 | 1457 |
| LMArena French | — | 1428 |
| LMArena German | — | 1410 |
| LMArena Japanese | — | 1408 |
| LMArena Korean | — | 1393 |
| LMArena Russian | — | 1430 |
| LMArena Spanish | — | 1430 |

## Instruction Following

- Codellama 34b Instruct: 52.4 (#286)
- GPT-5.5 Instant: 74.4 (#94)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1028 | 1407 |

## Long Context

- Codellama 34b Instruct: 30.8 (#279)
- GPT-5.5 Instant: 43.4 (#92)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1014 | 1422 |

## Writing & Preference

- Codellama 34b Instruct: 28.4 (#292)
- GPT-5.5 Instant: 62.0 (#81)

| Benchmark | Codellama 34b Instruct | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1066 | 1419 |
| LMArena Creative Writing | 1032 | 1420 |
| LMArena Multi-Turn | 1015 | 1434 |

## FAQ

### Is Codellama 34b Instruct better than GPT-5.5 Instant?

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 30.2 on the Noometry Index.

### Is Codellama 34b Instruct or GPT-5.5 Instant better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 28.0 in the Noometry coding category.

### How many benchmarks do Codellama 34b Instruct and GPT-5.5 Instant share?

10 benchmarks have published results for both models. Codellama 34b Instruct has 14 scored results on Noometry and GPT-5.5 Instant has 27.