# Claude 2.1 vs Granite 3.1 2b Instruct

> Granite 3.1 2b Instruct is the stronger model overall, scoring 32.6 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-granite-3-1-2b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Granite 3.1 2b Instruct leads 30.6 to 9.6.
- Granite 3.1 2b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| Provider | Anthropic | IBM |
| Noometry Index | 24.9 | 32.6 |
| Rank | 340 | 243 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 25.8 (#322)
- Granite 3.1 2b Instruct: 32.9 (#255)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1149 |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Granite 3.1 2b Instruct: 21.0 (#206)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Hard Prompts | — | 1138 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Granite 3.1 2b Instruct: 30.6 (#206)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1159 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Granite 3.1 2b Instruct: 30.3 (#223)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1131 |
| MMLU | 73.5% | — |

## Multilingual

- Claude 2.1: —
- Granite 3.1 2b Instruct: 29.2 (#264)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Non-English | — | 1068 |
| LMArena Chinese | — | 1138 |
| LMArena Russian | — | 1063 |

## Instruction Following

- Claude 2.1: —
- Granite 3.1 2b Instruct: 58.0 (#259)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1116 |

## Long Context

- Claude 2.1: —
- Granite 3.1 2b Instruct: 35.0 (#239)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1155 |

## Writing & Preference

- Claude 2.1: —
- Granite 3.1 2b Instruct: 34.3 (#269)

| Benchmark | Claude 2.1 | Granite 3.1 2b Instruct |
|---|---|---|
| LMArena Text | — | 1127 |
| LMArena Creative Writing | — | 1116 |
| LMArena Multi-Turn | — | 1099 |

## FAQ

### Is Claude 2.1 better than Granite 3.1 2b Instruct?

Granite 3.1 2b Instruct is the stronger model overall, scoring 32.6 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Granite 3.1 2b Instruct better for coding?

Granite 3.1 2b Instruct scores higher on coding benchmarks: 32.9 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Granite 3.1 2b Instruct share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Granite 3.1 2b Instruct has 12.