Noometry

Model comparison

Claude Sonnet 5 vs Nova 2.0 Pro Preview

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 32.8 on the Noometry Index.

Last verified . 2 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Nova 2.0 Pro Preview Amazon

32.8

Rank #241 Reported

Summary

  • They share 2 benchmarks with published results for both. Claude Sonnet 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 leads 48.2 to 21.7.
  • The biggest single-benchmark swing is CritPt: 16.9% for Claude Sonnet 5 and 0% for Nova 2.0 Pro Preview.

Side by side

Claude Sonnet 5Nova 2.0 Pro Preview
ProviderAnthropicAmazon
Noometry Index54.532.8
Released2026-06-292025-12-02
WeightsProprietaryProprietary
Context window1M—
Max output128K—
Input $ / M tokens$2—
Output $ / M tokens$10—
Results tracked513

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#20), Nova 2.0 Pro Preview: 40.2 (#130)

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
SciCode53.6%42.7%
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
GSO37.3%—
WeirdML68.8%—
LMArena Coding1483—
ALE-Bench1,463—

Agentic & Tool Use Claude Sonnet 5 leads

Claude Sonnet 5: 42.7 (#16), Nova 2.0 Pro Preview: 21.9 (#127)

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
APEX-Agents54.5%—
GBAEval65.3%—
GDP.pdf—2%
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 48.2 (#37), Nova 2.0 Pro Preview: 21.7 (#189)

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
CritPt16.9%0%
SimpleBench60.6%—
NYT Connections (extended)75.1%—
Chess Puzzles35%—
LMArena Hard Prompts1461—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.34—
ForecastBench61.1—

Math Not comparable

Claude Sonnet 5: 66.1 (#21), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—

Knowledge Not comparable

Claude Sonnet 5: 55.7 (#42), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
GPQA Diamond90.5%—
SimpleQA Verified33.7%—
LMArena Expert1491—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#26), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
LMArena Vision1275—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Not comparable

Claude Sonnet 5: 54.0 (#55), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
LMArena Non-English1431—
LMArena Chinese1475—
LMArena French1457—
LMArena German1448—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Russian1452—
LMArena Spanish1436—

Instruction Following Not comparable

Claude Sonnet 5: 76.6 (#39), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
LMArena Instruction Following1453—

Long Context Not comparable

Claude Sonnet 5: 44.8 (#53), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
LMArena Longer Query1464—

Writing & Preference Not comparable

Claude Sonnet 5: 69.4 (#24), Nova 2.0 Pro Preview: —

BenchmarkClaude Sonnet 5Nova 2.0 Pro Preview
LMArena Text1443—
LMArena Creative Writing1416—
EQ-Bench Creative Writing1794—
EQ-Bench 41236—
LMArena Multi-Turn1454—

Frequently asked questions

Is Claude Sonnet 5 better than Nova 2.0 Pro Preview?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 32.8 on the Noometry Index.

Is Claude Sonnet 5 or Nova 2.0 Pro Preview better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 40.2 in the Noometry coding category.

How many benchmarks do Claude Sonnet 5 and Nova 2.0 Pro Preview share?

2 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Nova 2.0 Pro Preview has 3.

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