Model comparison

Amazon Nova Experimental Chat 11 10 vs Hy4 preview

Hy4 preview is the stronger model overall, scoring 45.3 to 43.0 on the Noometry Index.

Last verified . 0 shared benchmarks.

Hy4 preview Tencent

45.3

Rank #73 Reported

Summary

  • The widest gap is in math, where Hy4 preview leads 55.7 to 39.1.
  • Hy4 preview has downloadable open weights; the other is API-only.

Side by side

Amazon Nova Experimental Chat 11 10 and Hy4 preview specifications
Amazon Nova Experimental Chat 11 10Hy4 preview
ProviderAmazonTencent
Noometry Index43.045.3
Released—2026-08-28
WeightsProprietaryOpen
Context window—1.05M
Max output—64K
Input $ / M tokens—$0.83
Output $ / M tokens—$2.50
Results tracked173

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Category by category

Coding Hy4 preview leads

Amazon Nova Experimental Chat 11 10: 42.3 (#107), Hy4 preview: 51.6 (#38)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena WebDev—1632
LMArena Coding1433—

Reasoning Hy4 preview leads

Amazon Nova Experimental Chat 11 10: 29.1 (#95), Hy4 preview: 31.9 (#79)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
NYT Connections (extended)—68.2%
LMArena Hard Prompts1422—

Math Hy4 preview leads

Amazon Nova Experimental Chat 11 10: 39.1 (#114), Hy4 preview: 55.7 (#42)

Math benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
ProofBench—75%
LMArena Math1431—

Knowledge Not comparable

Amazon Nova Experimental Chat 11 10: 39.9 (#127), Hy4 preview: —

Knowledge benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena Expert1431—

Multilingual Not comparable

Amazon Nova Experimental Chat 11 10: 51.9 (#98), Hy4 preview: —

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena Non-English1405—
LMArena Chinese1463—
LMArena French1449—
LMArena German1395—
LMArena Japanese1383—
LMArena Korean1384—
LMArena Russian1394—
LMArena Spanish1444—

Instruction Following Not comparable

Amazon Nova Experimental Chat 11 10: 73.2 (#122), Hy4 preview: —

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena Instruction Following1387—

Long Context Not comparable

Amazon Nova Experimental Chat 11 10: 42.5 (#121), Hy4 preview: —

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena Longer Query1395—

Writing & Preference Not comparable

Amazon Nova Experimental Chat 11 10: 58.8 (#114), Hy4 preview: —

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 11 10Hy4 preview
LMArena Text1415—
LMArena Creative Writing1349—
LMArena Multi-Turn1380—

Frequently asked questions

Is Amazon Nova Experimental Chat 11 10 better than Hy4 preview?

Hy4 preview is the stronger model overall, scoring 45.3 to 43.0 on the Noometry Index.

Is Amazon Nova Experimental Chat 11 10 or Hy4 preview better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 42.3 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 11 10 and Hy4 preview share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 11 10 has 17 scored results on Noometry and Hy4 preview has 3.

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