Model comparison
GPT-5.5 Instant vs Qwen Plus
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 37.1 on the Noometry Index.
Last verified . 15 shared benchmarks.
Alibaba (Qwen)Summary
- They share 15 benchmarks with published results for both. GPT-5.5 Instant scores higher in 7 categories and Qwen Plus in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 27.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 68.1% for GPT-5.5 Instant and 17.8% for Qwen Plus.
Side by side
| GPT-5.5 Instant | Qwen Plus | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 42.7 | 37.1 |
| Released | 2026-05-05 | 2024-01-25 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 33K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 27 | 20 |
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Category by category
Coding GPT-5.5 Instant leads
GPT-5.5 Instant: 44.3 (#74), Qwen Plus: 38.9 (#167)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Coding | 1433 | 1328 |
| SciCode | 48.6% | — |
Reasoning Qwen Plus leads
GPT-5.5 Instant: 24.9 (#155), Qwen Plus: 28.4 (#107)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1317 |
| Kagi LLM Benchmark | — | 63.3% |
| CritPt | 0% | — |
| Chess Puzzles | 12% | — |
| DTBench | — | 81.1% |
| LMCA | — | 24% |
| Epoch Capabilities Index | 142.52 | — |
Math GPT-5.5 Instant leads
GPT-5.5 Instant: 26.5 (#259), Qwen Plus: 23.3 (#271)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 68.1% | 17.8% |
| LMArena Math | 1420 | 1326 |
| FrontierMath (Tiers 1-3) | 26.3% | — |
| FrontierMath Tier 4 | 2.4% | — |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge GPT-5.5 Instant leads
GPT-5.5 Instant: 48.9 (#74), Qwen Plus: 27.4 (#251)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| GPQA Diamond | 82.5% | 48.1% |
| LMArena Expert | 1409 | 1328 |
Multimodal Not comparable
GPT-5.5 Instant: 40.0 (#52), Qwen Plus: —
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |
Multilingual GPT-5.5 Instant leads
GPT-5.5 Instant: 52.8 (#80), Qwen Plus: 45.1 (#175)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1417 | 1310 |
| LMArena Chinese | 1456 | 1347 |
| LMArena Japanese | 1408 | 1251 |
| LMArena Russian | 1431 | 1323 |
| LMArena French | 1428 | — |
| LMArena German | 1411 | — |
| LMArena Korean | 1392 | — |
| LMArena Spanish | 1429 | — |
Instruction Following GPT-5.5 Instant leads
GPT-5.5 Instant: 74.2 (#100), Qwen Plus: 68.8 (#181)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1406 | 1303 |
Long Context GPT-5.5 Instant leads
GPT-5.5 Instant: 43.4 (#96), Qwen Plus: 40.3 (#158)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1422 | 1324 |
Writing & Preference GPT-5.5 Instant leads
GPT-5.5 Instant: 61.8 (#85), Qwen Plus: 52.2 (#176)
| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Text | 1419 | 1326 |
| LMArena Creative Writing | 1419 | 1293 |
| LMArena Multi-Turn | 1433 | 1336 |
Frequently asked questions
Is GPT-5.5 Instant better than Qwen Plus?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 37.1 on the Noometry Index.
Is GPT-5.5 Instant or Qwen Plus better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 38.9 in the Noometry coding category.
How many benchmarks do GPT-5.5 Instant and Qwen Plus share?
15 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Qwen Plus has 20.