Model comparison
Chatgpt 4o Latest 20250326 vs Qwen3.5-Flash
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 7 categories and Qwen3.5-Flash in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in coding, where Chatgpt 4o Latest 20250326 leads 41.6 to 34.2.
Side by side
| Chatgpt 4o Latest 20250326 | Qwen3.5-Flash | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 43.8 | 42.5 |
| Released | — | 2026-02-23 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.10 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 21 | 32 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Qwen3.5-Flash: 34.2 (#242)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Coding | 1413 | 1412 |
| LMArena WebDev | — | 1244 |
| ALE-Bench | — | 221.8 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Qwen3.5-Flash: —
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| Vending-Bench 2 | — | 462.69 |
Reasoning Too close to call
Chatgpt 4o Latest 20250326: 33.8 (#71), Qwen3.5-Flash: 33.7 (#72)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1403 |
| Kagi LLM Benchmark | 75% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 82.9% |
| LMCA | — | 29.1% |
| Epoch Capabilities Index | — | 143.98 |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Qwen3.5-Flash: 37.4 (#158)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Math | 1407 | 1407 |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| FrontierMath (Feb 2025 set) | — | 6.2% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge Qwen3.5-Flash leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Qwen3.5-Flash: 43.2 (#93)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Expert | 1401 | 1407 |
| GPQA Diamond | — | 82.3% |
| SimpleQA Verified | — | 20.3% |
| Confabulations | 16.6% | — |
| Vectara Hallucination Rate | — | 10.5% |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 39.6 (#58), Qwen3.5-Flash: —
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Qwen3.5-Flash: 50.5 (#121)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1419 | 1385 |
| LMArena Chinese | 1457 | 1446 |
| LMArena French | 1446 | 1412 |
| LMArena German | 1423 | 1390 |
| LMArena Japanese | 1405 | 1368 |
| LMArena Korean | 1396 | 1344 |
| LMArena Russian | 1429 | 1379 |
| LMArena Spanish | 1434 | 1400 |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.0 (#107), Qwen3.5-Flash: 72.6 (#139)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1403 | 1374 |
Long Context Too close to call
Chatgpt 4o Latest 20250326: 43.1 (#107), Qwen3.5-Flash: 42.4 (#124)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1413 | 1392 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Qwen3.5-Flash: 57.9 (#122)
| Benchmark | Chatgpt 4o Latest 20250326 | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1429 | 1397 |
| LMArena Creative Writing | 1405 | 1343 |
| LMArena Multi-Turn | 1454 | 1393 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Qwen3.5-Flash?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 42.5 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or Qwen3.5-Flash better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 34.2 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Qwen3.5-Flash share?
17 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Qwen3.5-Flash has 32.