Model comparison
GPT-5.5 Instant vs Qwen3-4B
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.9 on the Noometry Index.
Last verified . 3 shared benchmarks.
Summary
- They share 3 benchmarks with published results for both. GPT-5.5 Instant scores higher in 2 categories and Qwen3-4B in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.5 Instant leads 48.9 to 33.0.
- The biggest single-benchmark swing is GPQA Diamond: 82.5% for GPT-5.5 Instant and 52.3% for Qwen3-4B.
- Qwen3-4B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.5 Instant | Qwen3-4B | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 42.7 | 31.9 |
| Released | 2026-05-05 | 2025-04-29 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 27 | 6 |
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Category by category
Coding Not comparable
GPT-5.5 Instant: 44.3 (#74), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| SciCode | 48.6% | — |
| LMArena Coding | 1433 | — |
Agentic & Tool Use Not comparable
GPT-5.5 Instant: —, Qwen3-4B: 27.6 (#100)
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |
Reasoning GPT-5.5 Instant leads
GPT-5.5 Instant: 24.9 (#155), Qwen3-4B: 19.2 (#268)
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| Chess Puzzles | 12% | 4% |
| CritPt | 0% | — |
| LMArena Hard Prompts | 1426 | — |
| Epoch Capabilities Index | 142.52 | — |
Math Qwen3-4B leads
GPT-5.5 Instant: 26.5 (#259), Qwen3-4B: 29.7 (#240)
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 68.1% | 52.2% |
| FrontierMath (Tiers 1-3) | 26.3% | — |
| FrontierMath Tier 4 | 2.4% | — |
| MathArena Final-Answer Competitions | — | 38.5% |
| LMArena Math | 1420 | — |
Knowledge GPT-5.5 Instant leads
GPT-5.5 Instant: 48.9 (#74), Qwen3-4B: 33.0 (#208)
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| GPQA Diamond | 82.5% | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
| LMArena Expert | 1409 | — |
Multimodal Not comparable
GPT-5.5 Instant: 40.0 (#52), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |
Multilingual Not comparable
GPT-5.5 Instant: 52.8 (#80), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Non-English | 1417 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1428 | — |
| LMArena German | 1411 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1392 | — |
| LMArena Russian | 1431 | — |
| LMArena Spanish | 1429 | — |
Instruction Following Not comparable
GPT-5.5 Instant: 74.2 (#100), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Instruction Following | 1406 | — |
Long Context Not comparable
GPT-5.5 Instant: 43.4 (#96), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Longer Query | 1422 | — |
Writing & Preference Not comparable
GPT-5.5 Instant: 61.8 (#85), Qwen3-4B: —
| Benchmark | GPT-5.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Text | 1419 | — |
| LMArena Creative Writing | 1419 | — |
| LMArena Multi-Turn | 1433 | — |
Frequently asked questions
Is GPT-5.5 Instant better than Qwen3-4B?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 31.9 on the Noometry Index.
How many benchmarks do GPT-5.5 Instant and Qwen3-4B share?
3 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Qwen3-4B has 6.