# Claude Sonnet 5.5 vs Nova 2.0 Pro Preview

> Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 32.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-5-5-vs-nova-2-0-pro-preview
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 3 categories and Nova 2.0 Pro Preview in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 5.5 leads 52.4 to 21.7.
- The biggest single-benchmark swing is CritPt: 31.4% for Claude Sonnet 5.5 and 0% for Nova 2.0 Pro Preview.

## Snapshot

| | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| Provider | Anthropic | Amazon |
| Noometry Index | 60.5 | 32.8 |
| Rank | 10 | 241 |
| Context | 1M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Sonnet 5.5: 65.5 (#6)
- Nova 2.0 Pro Preview: 40.2 (#130)

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | 61% | 42.7% |
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1699 | — |
| FrontierSWE | 61.9% | — |
| ALE-Bench | 1,819 | — |

## Agentic & Tool Use

- Claude Sonnet 5.5: 44.9 (#14)
- Nova 2.0 Pro Preview: 21.9 (#127)

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| APEX-Agents | 75.5% | — |
| GDP.pdf | — | 2% |

## Reasoning

- Claude Sonnet 5.5: 52.4 (#29)
- Nova 2.0 Pro Preview: 21.7 (#189)

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 31.4% | 0% |
| Mystery Game Puzzles | 65% | — |

## Math

- Claude Sonnet 5.5: 88.7 (#4)
- Nova 2.0 Pro Preview: —

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |

## Knowledge

- Claude Sonnet 5.5: 66.0 (#11)
- Nova 2.0 Pro Preview: —

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |

## Multimodal

- Claude Sonnet 5.5: 53.2 (#5)
- Nova 2.0 Pro Preview: —

| Benchmark | Claude Sonnet 5.5 | Nova 2.0 Pro Preview |
|---|---|---|
| Furniture Assembly | 75% | — |

## FAQ

### Is Claude Sonnet 5.5 better than Nova 2.0 Pro Preview?

Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 32.8 on the Noometry Index.

### Is Claude Sonnet 5.5 or Nova 2.0 Pro Preview better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 65.5 versus 40.2 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 5.5 and Nova 2.0 Pro Preview share?

2 benchmarks have published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and Nova 2.0 Pro Preview has 3.