# Nova 2.0 Pro Preview vs o3-pro

> o3-pro is the stronger model overall, scoring 42.7 to 32.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nova-2-0-pro-preview-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where o3-pro leads 55.1 to 40.2.

## Snapshot

| | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 32.8 | 42.7 |
| Rank | 241 | 94 |
| Context | — | 200K |
| Input $/M | — | $20 |
| Output $/M | — | $80 |
| Weights | Proprietary | Proprietary |

## Coding

- Nova 2.0 Pro Preview: 40.2 (#130)
- o3-pro: 55.1 (#22)

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| SciCode | 42.7% | — |
| WeirdML | — | 58.2% |

## Agentic & Tool Use

- Nova 2.0 Pro Preview: 21.9 (#127)
- o3-pro: —

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| GDP.pdf | 2% | — |

## Reasoning

- Nova 2.0 Pro Preview: 21.7 (#189)
- o3-pro: 24.1 (#152)

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| CritPt | 0% | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |

## Knowledge

- Nova 2.0 Pro Preview: —
- o3-pro: 29.0 (#234)

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |

## Long Context

- Nova 2.0 Pro Preview: —
- o3-pro: 72.1 (#1)

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |

## Writing & Preference

- Nova 2.0 Pro Preview: —
- o3-pro: 57.1 (#128)

| Benchmark | Nova 2.0 Pro Preview | o3-pro |
|---|---|---|
| Short-Story Creative Writing | — | 84.4% |

## FAQ

### Is Nova 2.0 Pro Preview better than o3-pro?

o3-pro is the stronger model overall, scoring 42.7 to 32.8 on the Noometry Index.

### Is Nova 2.0 Pro Preview or o3-pro better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 40.2 in the Noometry coding category.

### How many benchmarks do Nova 2.0 Pro Preview and o3-pro share?

0 benchmarks have published results for both models. Nova 2.0 Pro Preview has 3 scored results on Noometry and o3-pro has 12.
