Cohere, open weights

C4ai Aya Expanse 32b

C4ai Aya Expanse 32b by Cohere ranks 221st of 354 ranked models on the Noometry Index as of October 2026, with a score of 35.9. Its strongest category is reasoning, where it ranks 180th.

Last verified

Specifications

Noometry rank
#221 of 354
Index score
35.9
Evidence
Confirmed 18 results
Provider
Cohere
Released
October 24, 2024
Weights
Open weights
Reasoning
No
Context window
128K
Max output
4K
Input price
Not listed
Output price
Not listed
Blended price
Not listed
Output speed
Not measured
Value
Not ranked
Knowledge cutoff
Unknown
Input
text

Category scores

Each category score combines every public result we have in that category.

C4ai Aya Expanse 32b category scores
  1. Coding 34.8
  2. Reasoning 23.3
  3. Math 34.0
  4. Knowledge 33.2
  5. Multilingual 38.4
  6. Instruction Following 62.6
  7. Long Context 37.2
  8. Writing & Preference 42.2
C4ai Aya Expanse 32b category ranks
CategoryScoreRankResults
Coding34.8#2311
Reasoning23.3#1801
Math34.0#1971
Knowledge33.2#2062
Multilingual38.4#2301
Instruction Following62.6#2371
Long Context37.2#2201
Writing & Preference42.2#2353

Strengths and weaknesses

Categories where C4ai Aya Expanse 32b places highest and lowest among the models ranked in each, with its score against that category's median.

Strongest categories

C4ai Aya Expanse 32b: strongest categories
CategoryScorevs medianRank
Reasoning23.3−0.4#180 of 350, top 52%
Math34.0−2.6#197 of 327, top 61%
Knowledge33.2−4.1#206 of 314, top 66%

Weakest categories

C4ai Aya Expanse 32b: weakest categories
CategoryScorevs medianRank
Instruction Following62.6−8.6#237 of 305, top 78%
Multilingual38.4−9.0#230 of 297, top 78%
Writing & Preference42.2−11.6#235 of 312, top 76%

Closest competitors

The models ranked just above and below C4ai Aya Expanse 32b. When scores are this close, price and speed are often the better way to choose.

Models ranked closest to C4ai Aya Expanse 32b
ModelRankScoreBlended $/MSpeed
gpt-oss-120b#21736.3$0.070355Compare
Mistral Medium#21836.3$368Compare
GPT-4.1#21935.9$3.50116Compare
Deepseek Coder v2#22035.9——Compare
Llama 3.1 Nemotron 51b Instruct#22235.9——Compare
Nemotron 4 340b Instruct#22335.9——Compare
Llama 3.1 Tulu 3 8b#22435.7——Compare
Qwen3 14B#22535.5$0.6179Compare

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Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

Coding

C4ai Aya Expanse 32b Coding benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Coding1197#242 of 294, top 83%LMArena2026-10-08

Reasoning

C4ai Aya Expanse 32b Reasoning benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Hard Prompts1193#240 of 297, top 81%LMArena2026-10-08

Math

C4ai Aya Expanse 32b Math benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Math1200#232 of 285, top 82%LMArena2026-10-08

Knowledge

C4ai Aya Expanse 32b Knowledge benchmark results
BenchmarkScorePositionSettingSourceDate
Vectara Hallucination Rate (lower is better)10.9%#64 of 96, top 67%Vectara Hallucination Leaderboard
LMArena Expert1182#225 of 273, top 83%LMArena2026-10-08

Multilingual

C4ai Aya Expanse 32b Multilingual benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Non-English1213#230 of 297, top 78%LMArena2026-10-08
LMArena Chinese1211#229 of 285, top 81%LMArena2026-10-08
LMArena French1248#183 of 223, top 83%LMArena2026-10-08
LMArena German1199#192 of 231, top 84%LMArena2026-10-08
LMArena Japanese1163#171 of 211, top 82%LMArena2026-10-08
LMArena Korean1158#175 of 213, top 83%LMArena2026-10-08
LMArena Russian1227#224 of 283, top 80%LMArena2026-10-08
LMArena Spanish1193#196 of 226, top 87%LMArena2026-10-08

Instruction Following

C4ai Aya Expanse 32b Instruction Following benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Instruction Following1196#239 of 298, top 81%LMArena2026-10-08

Long Context

C4ai Aya Expanse 32b Long Context benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Longer Query1228#231 of 291, top 80%LMArena2026-10-08

Writing & Preference

C4ai Aya Expanse 32b Writing & Preference benchmark results
BenchmarkScorePositionSettingSourceDate
LMArena Text1224#236 of 297, top 80%LMArena2026-10-08
LMArena Creative Writing1200#233 of 295, top 79%LMArena2026-10-08
LMArena Multi-Turn1190#240 of 295, top 82%LMArena2026-10-08

Compare C4ai Aya Expanse 32b

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Frequently asked questions

How good is C4ai Aya Expanse 32b?

C4ai Aya Expanse 32b by Cohere ranks 221st of 354 ranked models on the Noometry Index as of October 2026, with a score of 35.9. Its strongest category is reasoning, where it ranks 180th.

What is C4ai Aya Expanse 32b's context window?

C4ai Aya Expanse 32b accepts up to 128K tokens of input and can write up to 4K tokens in one response.

Is C4ai Aya Expanse 32b open source?

Yes. C4ai Aya Expanse 32b's weights are downloadable; check the license for commercial terms.

What are C4ai Aya Expanse 32b's strengths and weaknesses?

Relative to other ranked models, C4ai Aya Expanse 32b places best in reasoning, math, knowledge and lowest in instruction following, multilingual, writing & preference.

What is C4ai Aya Expanse 32b best at?

Its best category is reasoning, where it ranks 180th on Noometry.