Model comparison
Chatgpt 4o Latest 20250326 vs Qwen3.5 27B
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 41.9 on the Noometry Index.
Last verified . 18 shared benchmarks.
Alibaba (Qwen)Summary
- They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 7 categories and Qwen3.5 27B in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Chatgpt 4o Latest 20250326 leads 33.8 to 27.5.
- Qwen3.5 27B has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Qwen3.5 27B | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 43.8 | 41.9 |
| Released | — | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.40 |
| Results tracked | 21 | 28 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Qwen3.5 27B: 38.9 (#168)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Coding | 1413 | 1427 |
| LMArena WebDev | — | 1358 |
| WeirdML | — | 39.5% |
| ALE-Bench | — | 349.45 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Qwen3.5 27B: —
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| Vending-Bench 2 | — | 201.98 |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Qwen3.5 27B: 27.5 (#117)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1414 |
| Kagi LLM Benchmark | 75% | — |
| NYT Connections (extended) | — | 47.9% |
| Thematic Generalization | — | 45.5% |
| DTBench | — | 82.4% |
| LMCA | — | 34% |
Math Too close to call
Chatgpt 4o Latest 20250326: 38.6 (#134), Qwen3.5 27B: 38.8 (#127)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Math | 1407 | 1429 |
| MathArena Final-Answer Competitions | — | 56.7% |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Qwen3.5 27B: 38.0 (#150)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Expert | 1401 | 1428 |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 12.1% |
Multimodal Too close to call
Chatgpt 4o Latest 20250326: 39.6 (#58), Qwen3.5 27B: 39.4 (#59)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Vision | 1243 | 1241 |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Qwen3.5 27B: 50.8 (#115)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Non-English | 1419 | 1390 |
| LMArena Chinese | 1457 | 1478 |
| LMArena French | 1446 | 1410 |
| LMArena German | 1423 | 1393 |
| LMArena Japanese | 1405 | 1345 |
| LMArena Korean | 1396 | 1358 |
| LMArena Russian | 1429 | 1390 |
| LMArena Spanish | 1434 | 1407 |
Instruction Following Too close to call
Chatgpt 4o Latest 20250326: 74.0 (#107), Qwen3.5 27B: 73.5 (#119)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Instruction Following | 1403 | 1393 |
Long Context Too close to call
Chatgpt 4o Latest 20250326: 43.1 (#107), Qwen3.5 27B: 43.1 (#106)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Longer Query | 1413 | 1413 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Qwen3.5 27B: 59.3 (#111)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5 27B |
|---|---|---|
| LMArena Text | 1429 | 1409 |
| LMArena Creative Writing | 1405 | 1362 |
| LMArena Multi-Turn | 1454 | 1410 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Qwen3.5 27B?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 41.9 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Qwen3.5 27B better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 38.9 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Qwen3.5 27B share?
18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Qwen3.5 27B has 28.