Noometry

Model comparison

C4ai Aya Expanse 8b vs Claude 3 Opus

C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.5 on the Noometry Index.

Last verified . 14 shared benchmarks.

C4ai Aya Expanse 8b Cohere

34.9

Rank #229 Confirmed

Claude 3 Opus Anthropic

29.5

Rank #310 Confirmed

Summary

  • They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 4 categories and Claude 3 Opus in 4 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where C4ai Aya Expanse 8b leads 33.3 to 14.8.
  • C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.

Side by side

C4ai Aya Expanse 8bClaude 3 Opus
ProviderCohereAnthropic
Noometry Index34.929.5
Released—2024-02-29
WeightsOpenProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked1546

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Too close to call

C4ai Aya Expanse 8b: 33.8 (#252), Claude 3 Opus: 32.9 (#267)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Coding11601264
WeirdML—19.2%
BigCodeBench Instruct—45.5%
LiveBench Coding—38.6%
BigCodeBench Complete—57.4%
HumanEval+—77.4%
MBPP+—73.3%

Agentic & Tool Use Not comparable

C4ai Aya Expanse 8b: —, Claude 3 Opus: 24.6 (#116)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
Cybench—10%
METR Time Horizons—29.5%

Reasoning C4ai Aya Expanse 8b leads

C4ai Aya Expanse 8b: 22.4 (#197), Claude 3 Opus: 14.6 (#324)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Hard Prompts11561245
SimpleBench—23.5%
Chess Puzzles—5%
EnigmaEval—0.8%
LiveBench Reasoning—40.6%
DTBench—61.6%
LiveBench Data Analysis—57.9%
LMCA—17%
Epoch Capabilities Index—126.91
ForecastBench—58.4
LiveBench—49.2%
WinoGrande—88.5%

Math C4ai Aya Expanse 8b leads

C4ai Aya Expanse 8b: 33.3 (#203), Claude 3 Opus: 14.8 (#299)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Math11681273
OTIS Mock AIME 2024-2025—4.7%
LiveBench Math—43.6%
MATH Level 5—37.5%

Knowledge C4ai Aya Expanse 8b leads

C4ai Aya Expanse 8b: 33.6 (#201), Claude 3 Opus: 24.5 (#267)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Expert11531223
GPQA Diamond—47.2%
SimpleQA Verified—12.6%
Confabulations—22.7%
Vectara Hallucination Rate9.5%—
MMLU—84.6%

Multimodal Not comparable

C4ai Aya Expanse 8b: —, Claude 3 Opus: 27.1 (#116)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Vision—1023

Multilingual Claude 3 Opus leads

C4ai Aya Expanse 8b: 36.1 (#242), Claude 3 Opus: 41.4 (#207)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Non-English11801258
LMArena Chinese11811248
LMArena German11881258
LMArena Japanese11201204
LMArena Russian11971280
LMArena French—1275
LMArena Korean—1187
LMArena Spanish—1246

Instruction Following Claude 3 Opus leads

C4ai Aya Expanse 8b: 60.1 (#253), Claude 3 Opus: 64.1 (#228)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Instruction Following11551248
LiveBench Instruction Following—63.9%

Long Context Claude 3 Opus leads

C4ai Aya Expanse 8b: 36.1 (#236), Claude 3 Opus: 38.2 (#202)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Longer Query11911259

Writing & Preference Claude 3 Opus leads

C4ai Aya Expanse 8b: 39.0 (#250), Claude 3 Opus: 47.2 (#213)

BenchmarkC4ai Aya Expanse 8bClaude 3 Opus
LMArena Text11851262
LMArena Creative Writing11681235
LMArena Multi-Turn11601275
LiveBench Language—50.4%

Frequently asked questions

Is C4ai Aya Expanse 8b better than Claude 3 Opus?

C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.5 on the Noometry Index.

Is C4ai Aya Expanse 8b or Claude 3 Opus better for coding?

They score almost the same on coding (33.8 vs 32.9); test both on your own repository before choosing.

How many benchmarks do C4ai Aya Expanse 8b and Claude 3 Opus share?

14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Claude 3 Opus has 46.

Related comparisons

Go deeper