Model comparison

Amazon Nova Experimental Chat 11 10 vs GPT-5

GPT-5 is the stronger model overall, scoring 50.9 to 43.0 on the Noometry Index.

Last verified . 17 shared benchmarks.

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 11 10 scores higher in 1 category and GPT-5 in 7 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in long context, where GPT-5 leads 69.5 to 42.5.

Side by side

Amazon Nova Experimental Chat 11 10 and GPT-5 specifications
Amazon Nova Experimental Chat 11 10GPT-5
ProviderAmazonOpenAI
Noometry Index43.050.9
Released—2025-08-07
WeightsProprietaryProprietary
Context window—400K
Max output—128K
Input $ / M tokens—$1.25
Output $ / M tokens—$10
Results tracked1769

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Category by category

Coding GPT-5 leads

Amazon Nova Experimental Chat 11 10: 42.3 (#107), GPT-5: 50.3 (#47)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Coding14331436
SWE-bench Verified—73.6%
SWE-bench Verified (bash only)—65%
Aider Polyglot—88%
LMArena WebDev—1418
SciCode—42.9%
GSO—6.9%
WeirdML—60.7%
ALE-Bench—1,162
AlgoTune—1.67

Agentic & Tool Use Not comparable

Amazon Nova Experimental Chat 11 10: —, GPT-5: 33.1 (#56)

Agentic & Tool Use benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
Terminal-Bench—49.6%
GDPval—34.8%
Remote Labor Index—1.7%
DeepResearch Bench—49.6%
BALROG—32.8%
LMArena Search—1133
METR Time Horizons—69.6%

Reasoning GPT-5 leads

Amazon Nova Experimental Chat 11 10: 29.1 (#95), GPT-5: 38.3 (#64)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Hard Prompts14221416
ARC-AGI-2—9.9%
SimpleBench—56.7%
Kagi LLM Benchmark—72.7%
ARC-AGI-1—65.7%
CritPt—12.6%
Chess Puzzles—37%
EnigmaEval—10.5%
EBR-Bench—12.7%
Mystery Game Puzzles—23%
DTBench—90.7%
LMCA—40%
Epoch Capabilities Index—150
ForecastBench—61.4

Math GPT-5 leads

Amazon Nova Experimental Chat 11 10: 39.1 (#114), GPT-5: 55.0 (#44)

Math benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Math14311407
FrontierMath (Tiers 1-3)—55.4%
FrontierMath Tier 4—22%
OTIS Mock AIME 2024-2025—91.4%
ProofBench—18%
Omni-MATH—64.7%
MATH Level 5—98.1%
FrontierMath (Feb 2025 set)—32.4%
FrontierMath Tier 4 (v1)—12.5%

Knowledge GPT-5 leads

Amazon Nova Experimental Chat 11 10: 39.9 (#127), GPT-5: 56.6 (#43)

Knowledge benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Expert14311419
GPQA Diamond—86.2%
Humanity's Last Exam—25.3%
SimpleQA Verified—50.1%
MMLU-Pro—86.3%
Confabulations—10.3%
Vectara Hallucination Rate—14.7%
GPQA (HELM)—79.2%

Multimodal Not comparable

Amazon Nova Experimental Chat 11 10: —, GPT-5: 46.8 (#13)

Multimodal benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Vision—1232
GeoBench—81%
VPCT—66%

Multilingual Too close to call

Amazon Nova Experimental Chat 11 10: 51.9 (#98), GPT-5: 51.4 (#110)

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Non-English14051397
LMArena Chinese14631422
LMArena French14491410
LMArena German13951416
LMArena Japanese13831409
LMArena Korean13841360
LMArena Russian13941406
LMArena Spanish14441399

Instruction Following Too close to call

Amazon Nova Experimental Chat 11 10: 73.2 (#122), GPT-5: 73.8 (#113)

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Instruction Following13871388
IFEval—87.5%

Long Context GPT-5 leads

Amazon Nova Experimental Chat 11 10: 42.5 (#121), GPT-5: 69.5 (#2)

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Longer Query13951399
Fiction.LiveBench—97.2%

Writing & Preference GPT-5 leads

Amazon Nova Experimental Chat 11 10: 58.8 (#114), GPT-5: 63.4 (#65)

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10GPT-5
LMArena Text14151406
LMArena Creative Writing13491365
LMArena Multi-Turn13801426
Short-Story Creative Writing—86%
EQ-Bench Creative Writing—1627
WildBench—85.7%

Frequently asked questions

Is Amazon Nova Experimental Chat 11 10 better than GPT-5?

GPT-5 is the stronger model overall, scoring 50.9 to 43.0 on the Noometry Index.

Is Amazon Nova Experimental Chat 11 10 or GPT-5 better for coding?

GPT-5 scores higher on coding benchmarks: 50.3 versus 42.3 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 11 10 and GPT-5 share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 11 10 has 17 scored results on Noometry and GPT-5 has 69.

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