Noometry

Model comparison

C4ai Aya Expanse 8b vs Qwen3.8 Max

Qwen3.8 Max is the stronger model overall, scoring 56.8 to 34.9 on the Noometry Index.

Last verified . 14 shared benchmarks.

C4ai Aya Expanse 8b Cohere

34.9

Rank #229 Confirmed

Qwen3.8 Max Alibaba (Qwen)

56.8

Rank #22 Confirmed

Summary

  • They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and Qwen3.8 Max in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Qwen3.8 Max leads 73.2 to 33.3.
  • C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.

Side by side

C4ai Aya Expanse 8bQwen3.8 Max
ProviderCohereAlibaba (Qwen)
Noometry Index34.956.8
Released—2026-08-02
WeightsOpenProprietary
Context window—1M
Max output—131K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked1539

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Category by category

Coding Qwen3.8 Max leads

C4ai Aya Expanse 8b: 33.8 (#252), Qwen3.8 Max: 53.5 (#29)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Coding11601502
DeepSWE—57.5%
LMArena WebDev—1674
FrontierSWE—17.8%
SciCode—53.2%

Agentic & Tool Use Not comparable

C4ai Aya Expanse 8b: —, Qwen3.8 Max: 45.4 (#14)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
APEX-Agents—63.3%
τ²-bench Banking—55.1%
GDP.pdf—23.2%

Reasoning Qwen3.8 Max leads

C4ai Aya Expanse 8b: 22.4 (#197), Qwen3.8 Max: 54.4 (#26)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Hard Prompts11561496
NYT Connections (extended)—88.3%
CritPt—20%
Chess Puzzles—40%
Mystery Game Puzzles—38%
DTBench—92%
LMCA—46.2%
Epoch Capabilities Index—156.41

Math Qwen3.8 Max leads

C4ai Aya Expanse 8b: 33.3 (#203), Qwen3.8 Max: 73.2 (#20)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Math11681499
FrontierMath (Tiers 1-3)—74.7%
FrontierMath Tier 4—46.3%
OTIS Mock AIME 2024-2025—100%
ProofBench—58%

Knowledge Qwen3.8 Max leads

C4ai Aya Expanse 8b: 33.6 (#201), Qwen3.8 Max: 61.7 (#27)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Expert11531507
GPQA Diamond—92.7%
SimpleQA Verified—47.3%
Vectara Hallucination Rate9.5%—

Multimodal Not comparable

C4ai Aya Expanse 8b: —, Qwen3.8 Max: 37.2 (#75)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Vision—1314
Furniture Assembly—20%

Multilingual Qwen3.8 Max leads

C4ai Aya Expanse 8b: 36.1 (#242), Qwen3.8 Max: 56.7 (#18)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Non-English11801472
LMArena Chinese11811538
LMArena German11881483
LMArena Japanese11201467
LMArena Russian11971481
LMArena French—1503
LMArena Korean—1461
LMArena Spanish—1492

Instruction Following Qwen3.8 Max leads

C4ai Aya Expanse 8b: 60.1 (#253), Qwen3.8 Max: 77.6 (#17)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Instruction Following11551479

Long Context Qwen3.8 Max leads

C4ai Aya Expanse 8b: 36.1 (#236), Qwen3.8 Max: 45.6 (#31)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Longer Query11911489

Writing & Preference Qwen3.8 Max leads

C4ai Aya Expanse 8b: 39.0 (#250), Qwen3.8 Max: 67.1 (#30)

BenchmarkC4ai Aya Expanse 8bQwen3.8 Max
LMArena Text11851483
LMArena Creative Writing11681479
LMArena Multi-Turn11601489

Frequently asked questions

Is C4ai Aya Expanse 8b better than Qwen3.8 Max?

Qwen3.8 Max is the stronger model overall, scoring 56.8 to 34.9 on the Noometry Index.

Is C4ai Aya Expanse 8b or Qwen3.8 Max better for coding?

Qwen3.8 Max scores higher on coding benchmarks: 53.5 versus 33.8 in the Noometry coding category.

How many benchmarks do C4ai Aya Expanse 8b and Qwen3.8 Max share?

14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Qwen3.8 Max has 39.

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