Model comparison
C4ai Aya Expanse 8b vs Chatgpt 4o Latest 20250326
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 34.9 on the Noometry Index.
Last verified . 14 shared benchmarks.
CohereSummary
- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and Chatgpt 4o Latest 20250326 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 39.0.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 | |
|---|---|---|
| Provider | Cohere | OpenAI |
| Noometry Index | 34.9 | 43.8 |
| Released | — | — |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 21 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 33.8 (#252), Chatgpt 4o Latest 20250326: 41.6 (#122)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Coding | 1160 | 1413 |
Reasoning Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 22.4 (#197), Chatgpt 4o Latest 20250326: 33.8 (#71)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1424 |
| Kagi LLM Benchmark | — | 75% |
Math Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 33.3 (#203), Chatgpt 4o Latest 20250326: 38.6 (#134)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Math | 1168 | 1407 |
Knowledge Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 33.6 (#201), Chatgpt 4o Latest 20250326: 39.2 (#137)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Expert | 1153 | 1401 |
| Confabulations | — | 16.6% |
| Vectara Hallucination Rate | 9.5% | — |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Chatgpt 4o Latest 20250326: 39.6 (#58)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Vision | — | 1243 |
Multilingual Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 36.1 (#242), Chatgpt 4o Latest 20250326: 52.9 (#76)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Non-English | 1180 | 1419 |
| LMArena Chinese | 1181 | 1457 |
| LMArena German | 1188 | 1423 |
| LMArena Japanese | 1120 | 1405 |
| LMArena Russian | 1197 | 1429 |
| LMArena French | — | 1446 |
| LMArena Korean | — | 1396 |
| LMArena Spanish | — | 1434 |
Instruction Following Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 60.1 (#253), Chatgpt 4o Latest 20250326: 74.0 (#107)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Instruction Following | 1155 | 1403 |
Long Context Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 36.1 (#236), Chatgpt 4o Latest 20250326: 43.1 (#107)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Longer Query | 1191 | 1413 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
C4ai Aya Expanse 8b: 39.0 (#250), Chatgpt 4o Latest 20250326: 62.6 (#72)
| Benchmark | C4ai Aya Expanse 8b | Chatgpt 4o Latest 20250326 |
|---|---|---|
| LMArena Text | 1185 | 1429 |
| LMArena Creative Writing | 1168 | 1405 |
| LMArena Multi-Turn | 1160 | 1454 |
| EQ-Bench Creative Writing | — | 1501 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Chatgpt 4o Latest 20250326?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 34.9 on the Noometry Index.
Is C4ai Aya Expanse 8b or Chatgpt 4o Latest 20250326 better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Chatgpt 4o Latest 20250326 share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Chatgpt 4o Latest 20250326 has 21.