# Granite 3.0 8b Instruct vs o3-pro

> o3-pro is the stronger model overall, scoring 42.9 to 31.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/granite-3-0-8b-instruct-vs-o3-pro
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in long context, where o3-pro leads 72.2 to 34.0.
- Granite 3.0 8b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| Provider | IBM | OpenAI |
| Noometry Index | 31.6 | 42.9 |
| Rank | 270 | 105 |
| Context | — | 200K |
| Input $/M | — | $20 |
| Output $/M | — | $80 |
| Weights | Open | Proprietary |

## Coding

- Granite 3.0 8b Instruct: 29.7 (#301)
- o3-pro: 55.5 (#24)

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| WeirdML | — | 58.2% |
| BigCodeBench Instruct | 29.3% | — |
| LMArena Coding | 1112 | — |
| BigCodeBench Complete | 35.4% | — |

## Reasoning

- Granite 3.0 8b Instruct: 20.9 (#230)
- o3-pro: 23.8 (#171)

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| LMArena Hard Prompts | 1092 | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.42 |

## Math

- Granite 3.0 8b Instruct: 32.8 (#210)
- o3-pro: —

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| LMArena Math | 1143 | — |

## Knowledge

- Granite 3.0 8b Instruct: 29.6 (#236)
- o3-pro: 29.5 (#238)

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| LMArena Expert | 1087 | — |

## Multilingual

- Granite 3.0 8b Instruct: 27.2 (#276)
- o3-pro: —

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| LMArena Non-English | 1037 | — |
| LMArena Chinese | 1063 | — |
| LMArena Russian | 1060 | — |

## Instruction Following

- Granite 3.0 8b Instruct: 56.0 (#276)
- o3-pro: —

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1088 | — |

## Long Context

- Granite 3.0 8b Instruct: 34.0 (#252)
- o3-pro: 72.2 (#1)

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1122 | — |

## Writing & Preference

- Granite 3.0 8b Instruct: 31.1 (#285)
- o3-pro: 57.1 (#133)

| Benchmark | Granite 3.0 8b Instruct | o3-pro |
|---|---|---|
| LMArena Text | 1096 | — |
| LMArena Creative Writing | 1071 | — |
| Short-Story Creative Writing | — | 84.4% |
| LMArena Multi-Turn | 1063 | — |

## FAQ

### Is Granite 3.0 8b Instruct better than o3-pro?

o3-pro is the stronger model overall, scoring 42.9 to 31.6 on the Noometry Index.

### Is Granite 3.0 8b Instruct or o3-pro better for coding?

o3-pro scores higher on coding benchmarks: 55.5 versus 29.7 in the Noometry coding category.

### How many benchmarks do Granite 3.0 8b Instruct and o3-pro share?

0 benchmarks have published results for both models. Granite 3.0 8b Instruct has 14 scored results on Noometry and o3-pro has 12.