Model comparison
GPT-5.2 vs Qwen2.5 14B Instruct
GPT-5.2 has enough public results to be ranked (#31); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in coding, where GPT-5.2 leads 52.2 to 37.1.
- Qwen2.5 14B Instruct is cheaper at $0.35 / $1.40 per million input/output tokens, against $1.75 / $14 for GPT-5.2.
- GPT-5.2 accepts more context: 400K tokens versus 131K.
- Qwen2.5 14B Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 | Qwen2.5 14B Instruct | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 54.1 | 38.2 |
| Released | 2025-12-11 | 2024-09 |
| Weights | Proprietary | Open |
| Context window | 400K | 131K |
| Max output | 128K | 8K |
| Input $ / M tokens | $1.75 | $0.35 |
| Output $ / M tokens | $14 | $1.40 |
| Results tracked | 67 | 3 |
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Category by category
Coding GPT-5.2 leads
GPT-5.2: 52.2 (#32), Qwen2.5 14B Instruct: 37.1 (#187)
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| SWE-bench Verified | 73.8% | — |
| SWE-bench Verified (bash only) | 72.8% | — |
| LMArena WebDev | 1415 | — |
| SWE-bench Multilingual | 66.7% | — |
| GSO | 27.4% | — |
| WeirdML | 72.2% | — |
| BigCodeBench Instruct | — | 39.8% |
| LMArena Coding | 1447 | — |
| BigCodeBench Complete | — | 52.2% |
| ALE-Bench | 1,294 | — |
| AlgoTune | 2.05 | — |
Agentic & Tool Use Not comparable
GPT-5.2: 40.0 (#24), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| Terminal-Bench | 64.9% | — |
| Berkeley Function Calling Leaderboard | 55.9% | — |
| GDPval | 49.7% | — |
| Remote Labor Index | 2.5% | — |
| τ²-bench Airline | 83% | — |
| τ²-bench Banking | 32.2% | — |
| τ²-bench Retail | 81.6% | — |
| τ²-bench Telecom | 89.7% | — |
| DeepResearch Bench | 41.1% | — |
| LMArena Search | 1207 | — |
| METR Time Horizons | 75.3% | — |
| Vending-Bench 2 | 3,591 | — |
Reasoning Not comparable
GPT-5.2: 50.1 (#33), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| ARC-AGI-2 | 52.9% | — |
| SimpleBench | 45.8% | — |
| Kagi LLM Benchmark | 73.3% | — |
| NYT Connections (extended) | 83.6% | — |
| ARC-AGI-1 | 86.2% | — |
| Chess Puzzles | 49% | — |
| EnigmaEval | 10.4% | — |
| EBR-Bench | 23% | — |
| LMArena Hard Prompts | 1445 | — |
| Mystery Game Puzzles | 23% | — |
| DTBench | 90.9% | — |
| LMCA | 43.9% | — |
| Epoch Capabilities Index | 153.45 | — |
| ForecastBench | 60.1 | — |
Math Not comparable
GPT-5.2: 59.8 (#32), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 67.4% | — |
| FrontierMath Tier 4 | 31.7% | — |
| MathArena Final-Answer Competitions | 72% | — |
| OTIS Mock AIME 2024-2025 | 96.1% | — |
| ProofBench | 15% | — |
| LMArena Math | 1439 | — |
| FrontierMath (Feb 2025 set) | 40.7% | — |
| FrontierMath Tier 4 (v1) | 18.8% | — |
Knowledge Not comparable
GPT-5.2: 59.2 (#29), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| GPQA Diamond | 91.4% | — |
| Humanity's Last Exam | 27.8% | — |
| SimpleQA Verified | 37.1% | — |
| Vectara Hallucination Rate | 8.4% | — |
| LMArena Expert | 1445 | — |
| MMLU | — | 79.9% |
Multimodal Not comparable
GPT-5.2: 50.9 (#7), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| LMArena Vision | 1268 | — |
| VPCT | 84% | — |
| Furniture Assembly | 38.3% | — |
| LMArena Document | 1405 | — |
Multilingual Not comparable
GPT-5.2: 53.6 (#63), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| LMArena Non-English | 1425 | — |
| LMArena Chinese | 1460 | — |
| LMArena French | 1456 | — |
| LMArena German | 1448 | — |
| LMArena Japanese | 1421 | — |
| LMArena Korean | 1390 | — |
| LMArena Russian | 1440 | — |
| LMArena Spanish | 1433 | — |
Instruction Following Not comparable
GPT-5.2: 74.9 (#83), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| LMArena Instruction Following | 1417 | — |
Long Context Not comparable
GPT-5.2: 44.0 (#74), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| CL-bench | 18.2% | — |
| LMArena Longer Query | 1428 | — |
Writing & Preference Not comparable
GPT-5.2: 67.0 (#30), Qwen2.5 14B Instruct: —
| Benchmark | GPT-5.2 | Qwen2.5 14B Instruct |
|---|---|---|
| LMArena Text | 1439 | — |
| LMArena Creative Writing | 1402 | — |
| EQ-Bench Creative Writing | 1703 | — |
| LMArena Multi-Turn | 1458 | — |
Frequently asked questions
Is GPT-5.2 better than Qwen2.5 14B Instruct?
GPT-5.2 has enough public results to be ranked (#31); Qwen2.5 14B Instruct does not yet, so treat this comparison as directional.
Which is cheaper, GPT-5.2 or Qwen2.5 14B Instruct?
Qwen2.5 14B Instruct is cheaper. It lists at $0.35 per million input tokens and $1.40 per million output tokens; GPT-5.2 lists at $1.75 and $14.
Is GPT-5.2 or Qwen2.5 14B Instruct better for coding?
GPT-5.2 scores higher on coding benchmarks: 52.2 versus 37.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5.2 does, with 400K tokens against 131K.
How many benchmarks do GPT-5.2 and Qwen2.5 14B Instruct share?
0 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Qwen2.5 14B Instruct has 3.