Model comparison

Amazon Nova Experimental Chat 10 09 vs GPT-5.6 Sol

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 41.4 on the Noometry Index.

Last verified . 9 shared benchmarks.

GPT-5.6 Sol OpenAI

64.4

Rank #6 Confirmed

Summary

  • They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and GPT-5.6 Sol in 6 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where GPT-5.6 Sol leads 74.7 to 26.2.

Side by side

Amazon Nova Experimental Chat 10 09 and GPT-5.6 Sol specifications
Amazon Nova Experimental Chat 10 09GPT-5.6 Sol
ProviderAmazonOpenAI
Noometry Index41.464.4
Released—2026-07-09
WeightsProprietaryProprietary
Context window—1.05M
Max output—128K
Input $ / M tokens—$4
Output $ / M tokens—$20
Results tracked964

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Category by category

Coding GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 39.6 (#142), GPT-5.6 Sol: 61.1 (#7)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Coding13711493
DeepSWE—72.7%
FrontierCode—47.5%
CursorBench—41.7%
LMArena WebDev—1619
FrontierSWE—32.2%
SciCode—57.1%
WeirdML—89.4%
MirrorCode—20%
ALE-Bench—2,177

Agentic & Tool Use Not comparable

Amazon Nova Experimental Chat 10 09: —, GPT-5.6 Sol: 50.2 (#7)

Agentic & Tool Use benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
APEX-Agents—51.4%
OSWorld 2.0—27.3%
τ²-bench Banking—46.9%
PostTrainBench—36.2%
BALROG—60%
GBAEval—52.6%
GDP.pdf—30.7%
LMArena Search—1257
Vending-Bench 2—9,619

Reasoning GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 26.2 (#122), GPT-5.6 Sol: 74.7 (#6)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Hard Prompts13561481
ARC-AGI-2—92.5%
SimpleBench—71.7%
Kagi LLM Benchmark—67%
NYT Connections (extended)—93.8%
ARC-AGI-1—97.5%
CritPt—32.3%
Chess Puzzles—64%
EnigmaEval—37.1%
EBR-Bench—44.8%
Mystery Game Puzzles—58%
DTBench—96%
LMCA—59.2%
Surface Evolver Bench—93.1%
Bench to the Future 3—0.14
Epoch Capabilities Index—161.99

Math Not comparable

Amazon Nova Experimental Chat 10 09: —, GPT-5.6 Sol: 85.5 (#7)

Math benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
FrontierMath (Tiers 1-3)—89.1%
FrontierMath Tier 4—82.9%
OTIS Mock AIME 2024-2025—100%
ProofBench—83%
LMArena Math—1472
FrontierMath Erdős—0%

Knowledge Not comparable

Amazon Nova Experimental Chat 10 09: —, GPT-5.6 Sol: 64.3 (#16)

Knowledge benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
GPQA Diamond—93.5%
SimpleQA Verified—69.7%
Vectara Hallucination Rate—12.4%
LMArena Expert—1517

Multimodal Not comparable

Amazon Nova Experimental Chat 10 09: —, GPT-5.6 Sol: 48.9 (#8)

Multimodal benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Vision—1281
Blueprint-Bench 2—33.6%
Furniture Assembly—56.7%
LMArena Document—1483

Multilingual GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 47.5 (#145), GPT-5.6 Sol: 55.4 (#32)

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Non-English13411450
LMArena Chinese13451523
LMArena French—1475
LMArena German—1476
LMArena Japanese—1475
LMArena Korean—1434
LMArena Russian—1466
LMArena Spanish—1449

Instruction Following GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 69.7 (#167), GPT-5.6 Sol: 77.8 (#16)

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Instruction Following13161480

Long Context GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 40.6 (#146), GPT-5.6 Sol: 45.3 (#42)

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Longer Query13341479

Writing & Preference GPT-5.6 Sol leads

Amazon Nova Experimental Chat 10 09: 55.0 (#144), GPT-5.6 Sol: 73.5 (#12)

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09GPT-5.6 Sol
LMArena Text13651456
LMArena Creative Writing13071450
LMArena Multi-Turn13541456
EQ-Bench Creative Writing—1972
EQ-Bench 4—1250

Frequently asked questions

Is Amazon Nova Experimental Chat 10 09 better than GPT-5.6 Sol?

GPT-5.6 Sol is the stronger model overall, scoring 64.4 to 41.4 on the Noometry Index.

Is Amazon Nova Experimental Chat 10 09 or GPT-5.6 Sol better for coding?

GPT-5.6 Sol scores higher on coding benchmarks: 61.1 versus 39.6 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 10 09 and GPT-5.6 Sol share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and GPT-5.6 Sol has 64.

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