# GPT-5.5 Instant vs Qwen Plus

> GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-instant-vs-qwen-plus
- Last updated: 2026-10-10
- Shared benchmarks: 15

## 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.

## Snapshot

| | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 42.5 | 36.7 |
| Rank | 99 | 204 |
| Context | — | 1M |
| Input $/M | — | $0.40 |
| Output $/M | — | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.5 Instant: 43.7 (#73)
- Qwen Plus: 38.3 (#163)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Coding | 1433 | 1328 |
| SciCode | 48.6% | — |

## Reasoning

- GPT-5.5 Instant: 24.2 (#149)
- Qwen Plus: 27.6 (#101)

| 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 | 142.48 | — |

## Math

- GPT-5.5 Instant: 26.1 (#241)
- Qwen Plus: 22.0 (#266)

| 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: 48.9 (#68)
- Qwen Plus: 27.4 (#245)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| GPQA Diamond | 82.5% | 48.1% |
| LMArena Expert | 1409 | 1328 |

## Multimodal

- GPT-5.5 Instant: 39.3 (#48)
- Qwen Plus: —

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |

## Multilingual

- GPT-5.5 Instant: 53.0 (#76)
- Qwen Plus: 45.3 (#170)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1417 | 1310 |
| LMArena Chinese | 1457 | 1347 |
| LMArena Japanese | 1408 | 1251 |
| LMArena Russian | 1430 | 1323 |
| LMArena French | 1428 | — |
| LMArena German | 1410 | — |
| LMArena Korean | 1393 | — |
| LMArena Spanish | 1430 | — |

## Instruction Following

- GPT-5.5 Instant: 74.4 (#94)
- Qwen Plus: 69.0 (#176)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1407 | 1303 |

## Long Context

- GPT-5.5 Instant: 43.4 (#92)
- Qwen Plus: 40.3 (#153)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1422 | 1325 |

## Writing & Preference

- GPT-5.5 Instant: 62.0 (#81)
- Qwen Plus: 52.4 (#171)

| Benchmark | GPT-5.5 Instant | Qwen Plus |
|---|---|---|
| LMArena Text | 1419 | 1326 |
| LMArena Creative Writing | 1420 | 1293 |
| LMArena Multi-Turn | 1434 | 1336 |

## FAQ

### Is GPT-5.5 Instant better than Qwen Plus?

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 36.7 on the Noometry Index.

### Is GPT-5.5 Instant or Qwen Plus better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 38.3 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.