Model comparison
GPT-5.2 Pro vs Qwen3.5-9B
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 33.3 on the Noometry Index. Qwen3.5-9B costs 513× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)Summary
- They share 1 benchmark with published results for both. GPT-5.2 Pro scores higher in 2 categories and Qwen3.5-9B in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 64.8 to 33.5.
- Qwen3.5-9B is cheaper at $0.10 / $0.15 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 262K.
- Qwen3.5-9B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Pro | Qwen3.5-9B | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 52.2 | 33.3 |
| Released | 2025-12-11 | 2026-02-23 |
| Weights | Proprietary | Open |
| Context window | 400K | 262K |
| Max output | 128K | 66K |
| Input $ / M tokens | $21 | $0.10 |
| Output $ / M tokens | $168 | $0.15 |
| Results tracked | 8 | 10 |
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Category by category
Coding Not comparable
GPT-5.2 Pro: —, Qwen3.5-9B: 35.3 (#213)
| Benchmark | GPT-5.2 Pro | Qwen3.5-9B |
|---|---|---|
| SciCode | — | 27.5% |
Agentic & Tool Use Not comparable
GPT-5.2 Pro: —, Qwen3.5-9B: 14.4 (#143)
| Benchmark | GPT-5.2 Pro | Qwen3.5-9B |
|---|---|---|
| Terminal-Bench | — | 9.2% |
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Qwen3.5-9B: 22.5 (#178)
| Benchmark | GPT-5.2 Pro | Qwen3.5-9B |
|---|---|---|
| Epoch Capabilities Index | 155.41 | 139.45 |
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 12% |
| DTBench | — | 71.2% |
| LMCA | — | 24.5% |
Math GPT-5.2 Pro leads
GPT-5.2 Pro: 64.8 (#23), Qwen3.5-9B: 33.5 (#174)
| Benchmark | GPT-5.2 Pro | Qwen3.5-9B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| MathArena Final-Answer Competitions | — | 48.5% |
| OTIS Mock AIME 2024-2025 | — | 61.7% |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Not comparable
GPT-5.2 Pro: —, Qwen3.5-9B: 46.0 (#77)
| Benchmark | GPT-5.2 Pro | Qwen3.5-9B |
|---|---|---|
| GPQA Diamond | — | 79% |
Frequently asked questions
Is GPT-5.2 Pro better than Qwen3.5-9B?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 33.3 on the Noometry Index. Qwen3.5-9B costs 513× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5.2 Pro or Qwen3.5-9B?
Qwen3.5-9B is cheaper. It lists at $0.10 per million input tokens and $0.15 per million output tokens; GPT-5.2 Pro lists at $21 and $168.
Which has the bigger context window?
GPT-5.2 Pro does, with 400K tokens against 262K.
How many benchmarks do GPT-5.2 Pro and Qwen3.5-9B share?
1 benchmark has published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Qwen3.5-9B has 10.