Model comparison

Amazon Nova Experimental Chat 10 09 vs Amazon Nova Experimental Chat 26 01 10

Amazon Nova Experimental Chat 10 09 and Amazon Nova Experimental Chat 26 01 10 score almost the same on the Noometry Index (41.9 vs 42.8), so choose on price, context window or the category you care about most.

Last verified October 10, 2026. 9 shared benchmarks.

Amazon Nova Experimental Chat 10 09 Amazon

41.9

Rank #126 Confirmed

Amazon Nova Experimental Chat 26 01 10 Amazon

42.8

Rank #107 Confirmed

Summary

They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Amazon Nova Experimental Chat 26 01 10 in 6 categories; 6 gaps are clear of the uncertainty.
The widest gap is in instruction following, where Amazon Nova Experimental Chat 26 01 10 leads 72.9 to 69.4.

Side by side

Amazon Nova Experimental Chat 10 09 and Amazon Nova Experimental Chat 26 01 10 specifications
	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
Provider	Amazon	Amazon
Noometry Index	41.9	42.8
Released	—	—
Weights	Proprietary	Proprietary
Context window	—	—
Max output	—	—
Input $ / M tokens	—	—
Output $ / M tokens	—	—
Results tracked	9	13

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Category by category

Coding Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 40.2 (#145), Amazon Nova Experimental Chat 26 01 10: 42.7 (#96)

Coding benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Coding	1370	1447

Reasoning Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 27.3 (#120), Amazon Nova Experimental Chat 26 01 10: 28.9 (#98)

Reasoning benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Hard Prompts	1356	1415

Math Not comparable

Amazon Nova Experimental Chat 10 09: —, Amazon Nova Experimental Chat 26 01 10: 38.5 (#136)

Math benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Math	—	1404

Knowledge Not comparable

Amazon Nova Experimental Chat 10 09: —, Amazon Nova Experimental Chat 26 01 10: 40.3 (#120)

Knowledge benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Expert	—	1444

Multilingual Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 47.3 (#150), Amazon Nova Experimental Chat 26 01 10: 50.2 (#126)

Multilingual benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Non-English	1340	1381
LMArena Chinese	1341	1372
LMArena Russian	—	1391
LMArena Spanish	—	1390

Instruction Following Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 69.4 (#172), Amazon Nova Experimental Chat 26 01 10: 72.9 (#126)

Instruction Following benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Instruction Following	1315	1381

Long Context Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 40.5 (#152), Amazon Nova Experimental Chat 26 01 10: 42.7 (#119)

Long Context benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Longer Query	1333	1400

Writing & Preference Amazon Nova Experimental Chat 26 01 10 leads

Amazon Nova Experimental Chat 10 09: 54.7 (#149), Amazon Nova Experimental Chat 26 01 10: 57.4 (#129)

Writing & Preference benchmarks
Benchmark	Amazon Nova Experimental Chat 10 09	Amazon Nova Experimental Chat 26 01 10
LMArena Text	1364	1396
LMArena Creative Writing	1307	1331
LMArena Multi-Turn	1355	1380

Frequently asked questions

Is Amazon Nova Experimental Chat 10 09 better than Amazon Nova Experimental Chat 26 01 10?

Is Amazon Nova Experimental Chat 10 09 or Amazon Nova Experimental Chat 26 01 10 better for coding?

Amazon Nova Experimental Chat 26 01 10 scores higher on coding benchmarks: 42.7 versus 40.2 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 10 09 and Amazon Nova Experimental Chat 26 01 10 share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Amazon Nova Experimental Chat 26 01 10 has 13.