# Claude 3 Sonnet vs Granite 3.1 2b Instruct

> Granite 3.1 2b Instruct is the stronger model overall, scoring 32.6 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-granite-3-1-2b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Claude 3 Sonnet scores higher in 4 categories and Granite 3.1 2b Instruct in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Granite 3.1 2b Instruct leads 30.6 to 10.0.
- Granite 3.1 2b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| Provider | Anthropic | IBM |
| Noometry Index | 28.8 | 32.6 |
| Rank | 311 | 243 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- Granite 3.1 2b Instruct: 32.9 (#255)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Coding | 1223 | 1149 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- Granite 3.1 2b Instruct: 21.0 (#206)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1138 |
| DTBench | 53.6% | — |
| Epoch Capabilities Index | 120.69 | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- Granite 3.1 2b Instruct: 30.6 (#206)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Math | 1213 | 1159 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- Granite 3.1 2b Instruct: 30.3 (#223)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Expert | 1173 | 1131 |
| GPQA Diamond | 40.6% | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- Granite 3.1 2b Instruct: —

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- Granite 3.1 2b Instruct: 29.2 (#264)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Non-English | 1205 | 1068 |
| LMArena Chinese | 1188 | 1138 |
| LMArena Russian | 1227 | 1063 |
| LMArena French | 1228 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Spanish | 1204 | — |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- Granite 3.1 2b Instruct: 58.0 (#259)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Instruction Following | 1200 | 1116 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- Granite 3.1 2b Instruct: 35.0 (#239)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Longer Query | 1211 | 1155 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- Granite 3.1 2b Instruct: 34.3 (#269)

| Benchmark | Claude 3 Sonnet | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Text | 1218 | 1127 |
| LMArena Creative Writing | 1186 | 1116 |
| LMArena Multi-Turn | 1227 | 1099 |

## FAQ

### Is Claude 3 Sonnet better than Granite 3.1 2b Instruct?

Granite 3.1 2b Instruct is the stronger model overall, scoring 32.6 to 28.8 on the Noometry Index.

### Is Claude 3 Sonnet or Granite 3.1 2b Instruct better for coding?

Granite 3.1 2b Instruct scores higher on coding benchmarks: 32.9 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Granite 3.1 2b Instruct share?

12 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Granite 3.1 2b Instruct has 12.