Noometry

Model comparison

Amazon Nova Micro vs C4ai Aya Expanse 8b

C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 30.4 on the Noometry Index.

Last verified . 15 shared benchmarks.

Amazon Nova Micro Amazon

30.4

Rank #294 Confirmed

C4ai Aya Expanse 8b Cohere

34.9

Rank #229 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Amazon Nova Micro scores higher in 3 categories and C4ai Aya Expanse 8b in 5 categories; 5 gaps are clear of the uncertainty.
  • The widest gap is in math, where C4ai Aya Expanse 8b leads 33.3 to 26.9.
  • C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.

Side by side

Amazon Nova MicroC4ai Aya Expanse 8b
ProviderAmazonCohere
Noometry Index30.434.9
Released2024-12-03—
WeightsProprietaryOpen
Context window128K—
Max output10K—
Input $ / M tokens$0.035—
Output $ / M tokens$0.14—
Results tracked3215

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Category by category

Coding C4ai Aya Expanse 8b leads

Amazon Nova Micro: 30.5 (#295), C4ai Aya Expanse 8b: 33.8 (#252)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Coding12181160
LiveBench Coding20.2%—

Agentic & Tool Use Not comparable

Amazon Nova Micro: 22.1 (#132), C4ai Aya Expanse 8b: —

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
Berkeley Function Calling Leaderboard22.3%—

Reasoning C4ai Aya Expanse 8b leads

Amazon Nova Micro: 17.4 (#294), C4ai Aya Expanse 8b: 22.4 (#197)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Hard Prompts11911156
LiveBench Reasoning25.1%—
LiveBench Data Analysis34%—
LiveBench29.6%—

Math C4ai Aya Expanse 8b leads

Amazon Nova Micro: 26.9 (#254), C4ai Aya Expanse 8b: 33.3 (#203)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Math12061168
Omni-MATH21.4%—
LiveBench Math34.5%—

Knowledge C4ai Aya Expanse 8b leads

Amazon Nova Micro: 29.6 (#237), C4ai Aya Expanse 8b: 33.6 (#201)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
Vectara Hallucination Rate5.5%9.5%
LMArena Expert11841153
MMLU-Pro51.1%—
GPQA (HELM)38.3%—
MMLU70.8%—

Multilingual Too close to call

Amazon Nova Micro: 36.5 (#239), C4ai Aya Expanse 8b: 36.1 (#242)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Non-English11861180
LMArena Chinese12091181
LMArena German11921188
LMArena Japanese11541120
LMArena Russian11851197
LMArena French1238—
LMArena Korean1150—
LMArena Spanish1225—

Instruction Following C4ai Aya Expanse 8b leads

Amazon Nova Micro: 56.3 (#272), C4ai Aya Expanse 8b: 60.1 (#253)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Instruction Following11741155
LiveBench Instruction Following48%—
IFEval76%—

Long Context Too close to call

Amazon Nova Micro: 36.5 (#229), C4ai Aya Expanse 8b: 36.1 (#236)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Longer Query12051191

Writing & Preference Too close to call

Amazon Nova Micro: 39.5 (#247), C4ai Aya Expanse 8b: 39.0 (#250)

BenchmarkAmazon Nova MicroC4ai Aya Expanse 8b
LMArena Text12081185
LMArena Creative Writing11721168
LMArena Multi-Turn11781160
WildBench74.3%—
LiveBench Language15.8%—

Frequently asked questions

Is Amazon Nova Micro better than C4ai Aya Expanse 8b?

C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 30.4 on the Noometry Index.

Is Amazon Nova Micro or C4ai Aya Expanse 8b better for coding?

C4ai Aya Expanse 8b scores higher on coding benchmarks: 33.8 versus 30.5 in the Noometry coding category.

How many benchmarks do Amazon Nova Micro and C4ai Aya Expanse 8b share?

15 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and C4ai Aya Expanse 8b has 15.

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