# Nova 2.0 Pro Preview vs o3

> o3 is the stronger model overall, scoring 47.5 to 33.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nova-2-0-pro-preview-vs-o3
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Nova 2.0 Pro Preview scores higher in 0 categories and o3 in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where o3 leads 34.5 to 21.9.

## Snapshot

| | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 33.4 | 47.5 |
| Rank | 244 | 61 |
| Context | — | 200K |
| Input $/M | — | $2 |
| Output $/M | — | $8 |
| Weights | Proprietary | Proprietary |

## Coding

- Nova 2.0 Pro Preview: 40.8 (#133)
- o3: 46.8 (#64)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| SWE-bench Verified | — | 62.3% |
| SWE-bench Verified (bash only) | — | 58.4% |
| Aider Polyglot | — | 81.3% |
| SciCode | 42.7% | — |
| GSO | — | 8.8% |
| WeirdML | — | 52.4% |
| LMArena Coding | — | 1408 |
| CadEval | — | 74% |
| ALE-Bench | — | 933.55 |

## Agentic & Tool Use

- Nova 2.0 Pro Preview: 21.9 (#136)
- o3: 34.5 (#44)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 63% |
| GDPval | — | 30.8% |
| DeepResearch Bench | — | 45.2% |
| OSWorld | — | 23% |
| GDP.pdf | 2% | — |
| LMArena Search | — | 1144 |
| METR Time Horizons | — | 65.4% |

## Reasoning

- Nova 2.0 Pro Preview: 22.4 (#194)
- o3: 32.0 (#78)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| CritPt | 0% | 1.4% |
| ARC-AGI-2 | — | 6.5% |
| SimpleBench | — | 53.1% |
| Kagi LLM Benchmark | — | 67.6% |
| ARC-AGI-1 | — | 60.8% |
| Chess Puzzles | — | 38% |
| EnigmaEval | — | 13.1% |
| LMArena Hard Prompts | — | 1402 |
| Mystery Game Puzzles | — | 29% |
| DTBench | — | 84.8% |
| LMCA | — | 39.7% |
| Epoch Capabilities Index | — | 146.86 |
| ForecastBench | — | 62.5 |

## Math

- Nova 2.0 Pro Preview: —
- o3: 50.2 (#58)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 33.3% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| Omni-MATH | — | 71.4% |
| LMArena Math | — | 1426 |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 18.7% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Nova 2.0 Pro Preview: —
- o3: 54.6 (#52)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| GPQA Diamond | — | 81.8% |
| Humanity's Last Exam | — | 20.3% |
| SimpleQA Verified | — | 49.4% |
| MMLU-Pro | — | 85.9% |
| Confabulations | — | 14.4% |
| GPQA (HELM) | — | 75.3% |
| LMArena Expert | — | 1402 |

## Multimodal

- Nova 2.0 Pro Preview: —
- o3: 41.4 (#36)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| LMArena Vision | — | 1214 |
| GeoBench | — | 74% |
| VPCT | — | 52% |

## Multilingual

- Nova 2.0 Pro Preview: —
- o3: 51.7 (#105)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| LMArena Non-English | — | 1401 |
| LMArena Chinese | — | 1437 |
| LMArena French | — | 1430 |
| LMArena German | — | 1420 |
| LMArena Japanese | — | 1403 |
| LMArena Korean | — | 1370 |
| LMArena Russian | — | 1406 |
| LMArena Spanish | — | 1395 |

## Instruction Following

- Nova 2.0 Pro Preview: —
- o3: 72.8 (#127)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| IFEval | — | 86.9% |
| LMArena Instruction Following | — | 1368 |

## Long Context

- Nova 2.0 Pro Preview: —
- o3: 53.3 (#6)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| Fiction.LiveBench | — | 88.9% |
| CL-bench | — | 17.8% |
| LMArena Longer Query | — | 1372 |

## Writing & Preference

- Nova 2.0 Pro Preview: —
- o3: 63.5 (#64)

| Benchmark | Nova 2.0 Pro Preview | o3 |
|---|---|---|
| LMArena Text | — | 1410 |
| LMArena Creative Writing | — | 1359 |
| Short-Story Creative Writing | — | 83.9% |
| EQ-Bench Creative Writing | — | 1676 |
| WildBench | — | 86.1% |
| LMArena Multi-Turn | — | 1405 |

## FAQ

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

o3 is the stronger model overall, scoring 47.5 to 33.4 on the Noometry Index.

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

o3 scores higher on coding benchmarks: 46.8 versus 40.8 in the Noometry coding category.

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

1 benchmark has published results for both models. Nova 2.0 Pro Preview has 3 scored results on Noometry and o3 has 63.