Noometry

Model comparison

Amazon Nova Pro vs GPT-5.5 Instant

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.0 on the Noometry Index.

Last verified . 19 shared benchmarks.

Amazon Nova Pro Amazon

31.0

Rank #281 Confirmed

GPT-5.5 Instant OpenAI

42.7

Rank #110 Confirmed

Summary

  • They share 19 benchmarks with published results for both. Amazon Nova Pro scores higher in 1 category and GPT-5.5 Instant in 8 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 27.4.

Side by side

Amazon Nova ProGPT-5.5 Instant
ProviderAmazonOpenAI
Noometry Index31.042.7
Released2024-12-032026-05-05
WeightsProprietaryProprietary
Context window300K—
Max output10K—
Input $ / M tokens$0.80—
Output $ / M tokens$3.20—
Results tracked3827

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Category by category

Coding GPT-5.5 Instant leads

Amazon Nova Pro: 35.1 (#229), GPT-5.5 Instant: 44.3 (#74)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Coding12701433
SciCode—48.6%
LiveBench Coding38.1%—

Agentic & Tool Use Not comparable

Amazon Nova Pro: 16.7 (#147), GPT-5.5 Instant: —

BenchmarkAmazon Nova ProGPT-5.5 Instant
Berkeley Function Calling Leaderboard25%—
TheAgentCompany1.7%—

Reasoning GPT-5.5 Instant leads

Amazon Nova Pro: 20.0 (#243), GPT-5.5 Instant: 24.9 (#155)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Hard Prompts12461426
Epoch Capabilities Index123.8142.52
CritPt—0%
Chess Puzzles—12%
LiveBench Reasoning32.6%—
LiveBench Data Analysis48.3%—
LiveBench43.5%—

Math Amazon Nova Pro leads

Amazon Nova Pro: 28.5 (#243), GPT-5.5 Instant: 26.5 (#259)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Math12521420
FrontierMath (Tiers 1-3)—26.3%
FrontierMath Tier 4—2.4%
OTIS Mock AIME 2024-2025—68.1%
Omni-MATH24.2%—
LiveBench Math38%—

Knowledge GPT-5.5 Instant leads

Amazon Nova Pro: 27.4 (#250), GPT-5.5 Instant: 48.9 (#74)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Expert12111409
GPQA Diamond—82.5%
Humanity's Last Exam4.4%—
MMLU-Pro67.3%—
Confabulations30.1%—
Vectara Hallucination Rate5.1%—
GPQA (HELM)44.6%—
MMLU82%—

Multimodal GPT-5.5 Instant leads

Amazon Nova Pro: 25.0 (#126), GPT-5.5 Instant: 40.0 (#52)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Vision9801250
LMArena Document—1403

Multilingual GPT-5.5 Instant leads

Amazon Nova Pro: 39.7 (#223), GPT-5.5 Instant: 52.8 (#80)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Non-English12341417
LMArena Chinese12441456
LMArena French12711428
LMArena German12431411
LMArena Japanese12001408
LMArena Korean12031392
LMArena Russian12401431
LMArena Spanish11821429

Instruction Following GPT-5.5 Instant leads

Amazon Nova Pro: 64.9 (#226), GPT-5.5 Instant: 74.2 (#100)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Instruction Following12351406
LiveBench Instruction Following67.1%—
IFEval81.5%—

Long Context GPT-5.5 Instant leads

Amazon Nova Pro: 38.1 (#205), GPT-5.5 Instant: 43.4 (#96)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Longer Query12551422

Writing & Preference GPT-5.5 Instant leads

Amazon Nova Pro: 43.9 (#226), GPT-5.5 Instant: 61.8 (#85)

BenchmarkAmazon Nova ProGPT-5.5 Instant
LMArena Text12591419
LMArena Creative Writing12121419
LMArena Multi-Turn12461433
Short-Story Creative Writing60.5%—
WildBench77.7%—
LiveBench Language37%—

Frequently asked questions

Is Amazon Nova Pro better than GPT-5.5 Instant?

GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.0 on the Noometry Index.

Is Amazon Nova Pro or GPT-5.5 Instant better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 35.1 in the Noometry coding category.

How many benchmarks do Amazon Nova Pro and GPT-5.5 Instant share?

19 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and GPT-5.5 Instant has 27.

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