# GPT-5.5 Instant vs Llama 2-7B

> GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 29.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-instant-vs-llama-2-7b
- Last updated: 2026-10-12
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. GPT-5.5 Instant scores higher in 7 categories and Llama 2-7B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 61.8 to 28.0.
- The biggest single-benchmark swing is Chess Puzzles: 12% for GPT-5.5 Instant and 0% for Llama 2-7B.
- Llama 2-7B has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| Provider | OpenAI | Meta |
| Noometry Index | 42.7 | 29.1 |
| Rank | 110 | 317 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.5 Instant: 44.3 (#74)
- Llama 2-7B: 29.2 (#307)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Coding | 1433 | 1002 |
| SciCode | 48.6% | — |

## Reasoning

- GPT-5.5 Instant: 24.9 (#155)
- Llama 2-7B: 15.7 (#312)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| Chess Puzzles | 12% | 0% |
| LMArena Hard Prompts | 1426 | 1009 |
| Epoch Capabilities Index | 142.52 | 99.06 |
| CritPt | 0% | — |
| BIG-Bench Hard | — | 39.2% |
| HellaSwag | — | 77.2% |
| LAMBADA | — | 73.3% |
| PIQA | — | 78.8% |
| WinoGrande | — | 69.2% |

## Math

- GPT-5.5 Instant: 26.5 (#259)
- Llama 2-7B: 30.7 (#233)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Math | 1420 | 1042 |
| FrontierMath (Tiers 1-3) | 26.3% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.1% | — |
| GSM8K | — | 16.7% |

## Knowledge

- GPT-5.5 Instant: 48.9 (#74)
- Llama 2-7B: 28.2 (#248)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Expert | 1409 | 1036 |
| GPQA Diamond | 82.5% | — |
| ARC (AI2) Challenge | — | 45.9% |
| BoolQ | — | 77.9% |
| MMLU | — | 45.8% |
| OpenBookQA | — | 58.6% |
| TriviaQA | — | 73.7% |

## Multimodal

- GPT-5.5 Instant: 40.0 (#52)
- Llama 2-7B: —

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |
| ScienceQA | — | 43.1% |

## Multilingual

- GPT-5.5 Instant: 52.8 (#80)
- Llama 2-7B: 23.8 (#293)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Non-English | 1417 | 973 |
| LMArena Chinese | 1456 | 973 |
| LMArena French | 1428 | 970 |
| LMArena German | 1411 | 978 |
| LMArena Russian | 1431 | 995 |
| LMArena Spanish | 1429 | 1007 |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1392 | — |

## Instruction Following

- GPT-5.5 Instant: 74.2 (#100)
- Llama 2-7B: 50.8 (#298)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Instruction Following | 1406 | 1006 |

## Long Context

- GPT-5.5 Instant: 43.4 (#96)
- Llama 2-7B: 30.4 (#287)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Longer Query | 1422 | 999 |

## Writing & Preference

- GPT-5.5 Instant: 61.8 (#85)
- Llama 2-7B: 28.0 (#298)

| Benchmark | GPT-5.5 Instant | Llama 2-7B |
|---|---|---|
| LMArena Text | 1419 | 1053 |
| LMArena Creative Writing | 1419 | 1033 |
| LMArena Multi-Turn | 1433 | 1029 |

## FAQ

### Is GPT-5.5 Instant better than Llama 2-7B?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 29.1 on the Noometry Index.

### Is GPT-5.5 Instant or Llama 2-7B better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 29.2 in the Noometry coding category.

### How many benchmarks do GPT-5.5 Instant and Llama 2-7B share?

17 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Llama 2-7B has 29.