Model comparison
GLM-5.2 vs Qwen3.5 Plus
GLM-5.2 is the stronger model overall, scoring 51.1 to 42.9 on the Noometry Index. Qwen3.5 Plus costs 2.4× less per token, which makes it the better buy when GLM-5.2's lead doesn't matter for your workload.
Last verified . 10 shared benchmarks.
Alibaba (Qwen)Summary
- They share 10 benchmarks with published results for both. GLM-5.2 scores higher in 4 categories and Qwen3.5 Plus in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5.2 leads 57.1 to 46.0.
- The biggest single-benchmark swing is DTBench: 93.6% for GLM-5.2 and 80.5% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1.40 / $4.40 for GLM-5.2.
- GLM-5.2 has downloadable open weights; the other is API-only.
Side by side
| GLM-5.2 | Qwen3.5 Plus | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Alibaba (Qwen) |
| Noometry Index | 51.1 | 42.9 |
| Released | 2026-06-13 | 2026-02-16 |
| Weights | Open | Proprietary |
| Context window | 1M | 1M |
| Max output | 131K | 66K |
| Input $ / M tokens | $1.40 | $0.40 |
| Output $ / M tokens | $4.40 | $2.40 |
| Results tracked | 51 | 15 |
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Category by category
Coding Not comparable
GLM-5.2: 51.3 (#41), Qwen3.5 Plus: —
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | 1,047 | 621.92 |
| SWE-bench Verified | 78.7% | — |
| DeepSWE | 43.8% | — |
| FrontierCode | 24.5% | — |
| LMArena WebDev | 1603 | — |
| SciCode | 50.5% | — |
| WeirdML | 70.1% | — |
| LMArena Coding | 1485 | — |
Agentic & Tool Use Not comparable
GLM-5.2: 32.4 (#63), Qwen3.5 Plus: —
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | 8,314 | 0.54 |
| APEX-Agents | 45.2% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 31.7% | — |
| GBAEval | 0% | — |
Reasoning GLM-5.2 leads
GLM-5.2: 42.3 (#52), Qwen3.5 Plus: 32.8 (#74)
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 21% | 22% |
| Mystery Game Puzzles | 19% | 17% |
| DTBench | 93.6% | 80.5% |
| LMCA | 45.8% | 36.4% |
| Epoch Capabilities Index | 151.78 | 146.78 |
| ARC-AGI-2 | 22.8% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 62.6% | — |
| NYT Connections (extended) | 74.3% | — |
| ARC-AGI-1 | 77% | — |
| CritPt | 20.9% | — |
| EBR-Bench | 9.5% | — |
| LMArena Hard Prompts | 1480 | — |
| Surface Evolver Bench | 55.6% | — |
Math GLM-5.2 leads
GLM-5.2: 55.7 (#43), Qwen3.5 Plus: 49.6 (#61)
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.4% | 86.7% |
| FrontierMath (Tiers 1-3) | 59.2% | — |
| FrontierMath Tier 4 | 29.3% | — |
| MathArena Final-Answer Competitions | 67.6% | — |
| ProofBench | 35% | — |
| LMArena Math | 1482 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge GLM-5.2 leads
GLM-5.2: 57.1 (#40), Qwen3.5 Plus: 46.0 (#83)
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 91.9% | 84.8% |
| SimpleQA Verified | 34.2% | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1486 | — |
Multilingual Not comparable
GLM-5.2: 55.8 (#26), Qwen3.5 Plus: —
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1459 | — |
| LMArena Chinese | 1519 | — |
| LMArena French | 1479 | — |
| LMArena German | 1468 | — |
| LMArena Japanese | 1451 | — |
| LMArena Korean | 1445 | — |
| LMArena Russian | 1466 | — |
| LMArena Spanish | 1477 | — |
Instruction Following Not comparable
GLM-5.2: 76.9 (#34), Qwen3.5 Plus: —
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1465 | — |
Long Context GLM-5.2 leads
GLM-5.2: 45.3 (#43), Qwen3.5 Plus: 43.0 (#113)
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1479 | — |
Writing & Preference Not comparable
GLM-5.2: 70.4 (#21), Qwen3.5 Plus: —
| Benchmark | GLM-5.2 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1470 | — |
| LMArena Creative Writing | 1462 | — |
| EQ-Bench Creative Writing | 1757 | — |
| EQ-Bench 4 | 1222 | — |
| LMArena Multi-Turn | 1469 | — |
Frequently asked questions
Is GLM-5.2 better than Qwen3.5 Plus?
GLM-5.2 is the stronger model overall, scoring 51.1 to 42.9 on the Noometry Index. Qwen3.5 Plus costs 2.4× less per token, which makes it the better buy when GLM-5.2's lead doesn't matter for your workload.
Which is cheaper, GLM-5.2 or Qwen3.5 Plus?
Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; GLM-5.2 lists at $1.40 and $4.40.
Which has the bigger context window?
Both accept 1M tokens.
How many benchmarks do GLM-5.2 and Qwen3.5 Plus share?
10 benchmarks have published results for both models. GLM-5.2 has 51 scored results on Noometry and Qwen3.5 Plus has 15.