# Granite 3.1 2b Instruct vs Grok-2 (Dec 2024)

> Granite 3.1 2b Instruct and Grok-2 (Dec 2024) score almost the same on the Noometry Index (33.2 vs 33.7), so choose on price, context window or the category you care about most.

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

## Summary

- They share 12 benchmarks with published results for both. Granite 3.1 2b Instruct scores higher in 4 categories and Grok-2 (Dec 2024) in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok-2 (Dec 2024) leads 48.6 to 34.1.
- Granite 3.1 2b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | IBM | xAI |
| Noometry Index | 33.2 | 33.7 |
| Rank | 247 | 239 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Granite 3.1 2b Instruct: 33.4 (#257)
- Grok-2 (Dec 2024): 33.3 (#258)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Coding | 1149 | 1287 |
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |

## Reasoning

- Granite 3.1 2b Instruct: 22.0 (#209)
- Grok-2 (Dec 2024): 16.9 (#299)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1138 | 1272 |
| SimpleBench | — | 22.7% |
| LiveBench Reasoning | — | 54.8% |
| DTBench | — | 65.2% |
| LiveBench Data Analysis | — | 54.5% |
| Epoch Capabilities Index | — | 130.48 |
| LiveBench | — | 54.3% |

## Math

- Granite 3.1 2b Instruct: 33.1 (#206)
- Grok-2 (Dec 2024): 20.8 (#284)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Math | 1159 | 1283 |
| OTIS Mock AIME 2024-2025 | — | 11.5% |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |

## Knowledge

- Granite 3.1 2b Instruct: 30.8 (#224)
- Grok-2 (Dec 2024): 29.8 (#233)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Expert | 1131 | 1254 |
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |

## Multilingual

- Granite 3.1 2b Instruct: 29.1 (#269)
- Grok-2 (Dec 2024): 43.1 (#188)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1068 | 1282 |
| LMArena Chinese | 1139 | 1289 |
| LMArena Russian | 1063 | 1286 |
| LMArena French | — | 1318 |
| LMArena German | — | 1287 |
| LMArena Japanese | — | 1244 |
| LMArena Korean | — | 1237 |
| LMArena Spanish | — | 1281 |

## Instruction Following

- Granite 3.1 2b Instruct: 57.7 (#264)
- Grok-2 (Dec 2024): 66.9 (#202)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1116 | 1270 |
| LiveBench Instruction Following | — | 69.6% |

## Long Context

- Granite 3.1 2b Instruct: 35.0 (#244)
- Grok-2 (Dec 2024): 38.8 (#190)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1155 | 1276 |

## Writing & Preference

- Granite 3.1 2b Instruct: 34.1 (#274)
- Grok-2 (Dec 2024): 48.6 (#198)

| Benchmark | Granite 3.1 2b Instruct | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1127 | 1305 |
| LMArena Creative Writing | 1116 | 1284 |
| LMArena Multi-Turn | 1099 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |

## FAQ

### Is Granite 3.1 2b Instruct better than Grok-2 (Dec 2024)?

Granite 3.1 2b Instruct and Grok-2 (Dec 2024) score almost the same on the Noometry Index (33.2 vs 33.7), so choose on price, context window or the category you care about most.

### Is Granite 3.1 2b Instruct or Grok-2 (Dec 2024) better for coding?

They score almost the same on coding (33.4 vs 33.3); test both on your own repository before choosing.

### How many benchmarks do Granite 3.1 2b Instruct and Grok-2 (Dec 2024) share?

12 benchmarks have published results for both models. Granite 3.1 2b Instruct has 12 scored results on Noometry and Grok-2 (Dec 2024) has 34.