Model comparison
GLM-5 vs Qwen3.5 Plus
GLM-5 is the stronger model overall, scoring 45.9 to 42.3 on the Noometry Index. Qwen3.5 Plus costs 1.7× less per token, which makes it the better buy when GLM-5'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 scores higher in 2 categories and Qwen3.5 Plus in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GLM-5 leads 52.2 to 46.0.
- The biggest single-benchmark swing is Chess Puzzles: 10% for GLM-5 and 22% for Qwen3.5 Plus.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1 / $3.20 for GLM-5.
- Qwen3.5 Plus accepts more context: 1M tokens versus 205K.
- GLM-5 has downloadable open weights; the other is API-only.
Side by side
| GLM-5 | Qwen3.5 Plus | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Alibaba (Qwen) |
| Noometry Index | 45.9 | 42.3 |
| Released | 2026-02-11 | 2026-02-16 |
| Weights | Open | Proprietary |
| Context window | 205K | 1M |
| Max output | 131K | 66K |
| Input $ / M tokens | $1 | $0.40 |
| Output $ / M tokens | $3.20 | $2.40 |
| Results tracked | 45 | 15 |
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Category by category
Coding Not comparable
GLM-5: 49.0 (#47), Qwen3.5 Plus: —
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | 765.62 | 621.92 |
| SWE-bench Verified | 72.1% | — |
| SWE-bench Verified (bash only) | 72.8% | — |
| LMArena WebDev | 1434 | — |
| SWE-bench Multilingual | 69.7% | — |
| WeirdML | 48.2% | — |
| LMArena Coding | 1461 | — |
Agentic & Tool Use Not comparable
GLM-5: 30.9 (#65), Qwen3.5 Plus: —
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | 4,432 | 0.54 |
| Terminal-Bench | 52.4% | — |
| τ²-bench Airline | 82.5% | — |
| τ²-bench Banking | 9.8% | — |
| τ²-bench Retail | 73.7% | — |
| τ²-bench Telecom | 86.8% | — |
Reasoning Qwen3.5 Plus leads
GLM-5: 27.6 (#100), Qwen3.5 Plus: 32.0 (#67)
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 10% | 22% |
| Epoch Capabilities Index | 145.84 | 146.79 |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 53.2% | — |
| Kagi LLM Benchmark | 75% | — |
| NYT Connections (extended) | 74.8% | — |
| ARC-AGI-1 | 44.7% | — |
| LMArena Hard Prompts | 1451 | — |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |
| ForecastBench | 61 | — |
Math Qwen3.5 Plus leads
GLM-5: 44.8 (#66), Qwen3.5 Plus: 47.9 (#55)
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 86.7% |
| FrontierMath (Feb 2025 set) | 16.4% | 21% |
| FrontierMath Tier 4 (v1) | 2.1% | 2.1% |
| MathArena Final-Answer Competitions | 65.7% | — |
| LMArena Math | 1440 | — |
Knowledge GLM-5 leads
GLM-5: 52.2 (#59), Qwen3.5 Plus: 46.0 (#78)
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 87.8% | 84.8% |
| Vectara Hallucination Rate | 10.1% | 10.7% |
| SimpleQA Verified | — | 25.4% |
| LMArena Expert | 1454 | — |
Multilingual Not comparable
GLM-5: 53.9 (#57), Qwen3.5 Plus: —
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1430 | — |
| LMArena Chinese | 1511 | — |
| LMArena French | 1455 | — |
| LMArena German | 1445 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1421 | — |
| LMArena Russian | 1436 | — |
| LMArena Spanish | 1452 | — |
Instruction Following Not comparable
GLM-5: 75.4 (#64), Qwen3.5 Plus: —
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1427 | — |
Long Context GLM-5 leads
GLM-5: 44.6 (#58), Qwen3.5 Plus: 42.9 (#109)
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| CL-bench | 18.7% | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1446 | — |
Writing & Preference Not comparable
GLM-5: 66.2 (#38), Qwen3.5 Plus: —
| Benchmark | GLM-5 | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1446 | — |
| LMArena Creative Writing | 1438 | — |
| EQ-Bench Creative Writing | 1601 | — |
| LMArena Multi-Turn | 1456 | — |
Frequently asked questions
Is GLM-5 better than Qwen3.5 Plus?
GLM-5 is the stronger model overall, scoring 45.9 to 42.3 on the Noometry Index. Qwen3.5 Plus costs 1.7× less per token, which makes it the better buy when GLM-5's lead doesn't matter for your workload.
Which is cheaper, GLM-5 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 lists at $1 and $3.20.
Which has the bigger context window?
Qwen3.5 Plus does, with 1M tokens against 205K.
How many benchmarks do GLM-5 and Qwen3.5 Plus share?
10 benchmarks have published results for both models. GLM-5 has 45 scored results on Noometry and Qwen3.5 Plus has 15.