Model comparison
GLM-4.6 vs Qwen3.5-Flash
Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 41.4 on the Noometry Index.
Last verified . 22 shared benchmarks.
Summary
- They share 22 benchmarks with published results for both. GLM-4.6 scores higher in 6 categories and Qwen3.5-Flash in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Qwen3.5-Flash leads 33.7 to 23.7.
- Qwen3.5-Flash is cheaper at $0.10 / $0.40 per million input/output tokens, against $0.60 / $2.20 for GLM-4.6.
- Qwen3.5-Flash accepts more context: 1M tokens versus 205K.
- GLM-4.6 has downloadable open weights; the other is API-only.
Side by side
| GLM-4.6 | Qwen3.5-Flash | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Alibaba (Qwen) |
| Noometry Index | 41.4 | 42.5 |
| Released | 2025-09-30 | 2026-02-23 |
| Weights | Open | Proprietary |
| Context window | 205K | 1M |
| Max output | 131K | 66K |
| Input $ / M tokens | $0.60 | $0.10 |
| Output $ / M tokens | $2.20 | $0.40 |
| Results tracked | 29 | 32 |
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Category by category
Coding GLM-4.6 leads
GLM-4.6: 40.1 (#148), Qwen3.5-Flash: 34.2 (#242)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena WebDev | 1340 | 1244 |
| LMArena Coding | 1449 | 1412 |
| ALE-Bench | 340.82 | 221.8 |
| SWE-bench Verified (bash only) | 55.4% | — |
| SciCode | 38.4% | — |
Agentic & Tool Use Not comparable
GLM-4.6: 32.3 (#66), Qwen3.5-Flash: —
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| Terminal-Bench | 24.5% | — |
| Berkeley Function Calling Leaderboard | 72.4% | — |
| Vending-Bench 2 | — | 462.69 |
Reasoning Qwen3.5-Flash leads
GLM-4.6: 23.7 (#172), Qwen3.5-Flash: 33.7 (#72)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1403 |
| Kagi LLM Benchmark | 47.4% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | — | 21% |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 82.9% |
| LMCA | — | 29.1% |
| Epoch Capabilities Index | — | 143.98 |
Math GLM-4.6 leads
GLM-4.6: 39.1 (#111), Qwen3.5-Flash: 37.4 (#158)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Math | 1432 | 1407 |
| FrontierMath (Feb 2025 set) | 3.8% | 6.2% |
| FrontierMath Tier 4 (v1) | 2.1% | 0% |
| FrontierMath (Tiers 1-3) | — | 18.2% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
Knowledge Qwen3.5-Flash leads
GLM-4.6: 40.2 (#124), Qwen3.5-Flash: 43.2 (#93)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| Vectara Hallucination Rate | 9.5% | 10.5% |
| LMArena Expert | 1431 | 1407 |
| GPQA Diamond | — | 82.3% |
| SimpleQA Verified | — | 20.3% |
Multilingual GLM-4.6 leads
GLM-4.6: 53.5 (#66), Qwen3.5-Flash: 50.5 (#121)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Non-English | 1426 | 1385 |
| LMArena Chinese | 1499 | 1446 |
| LMArena French | 1459 | 1412 |
| LMArena German | 1447 | 1390 |
| LMArena Japanese | 1393 | 1368 |
| LMArena Korean | 1400 | 1344 |
| LMArena Russian | 1419 | 1379 |
| LMArena Spanish | 1436 | 1400 |
Instruction Following GLM-4.6 leads
GLM-4.6: 74.3 (#98), Qwen3.5-Flash: 72.6 (#139)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Instruction Following | 1410 | 1374 |
Long Context GLM-4.6 leads
GLM-4.6: 43.4 (#94), Qwen3.5-Flash: 42.4 (#124)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Longer Query | 1422 | 1392 |
Writing & Preference GLM-4.6 leads
GLM-4.6: 61.1 (#90), Qwen3.5-Flash: 57.9 (#122)
| Benchmark | GLM-4.6 | Qwen3.5-Flash |
|---|---|---|
| LMArena Text | 1440 | 1397 |
| LMArena Creative Writing | 1411 | 1343 |
| LMArena Multi-Turn | 1427 | 1393 |
| EQ-Bench Creative Writing | 1411 | — |
Frequently asked questions
Is GLM-4.6 better than Qwen3.5-Flash?
Qwen3.5-Flash is the stronger model overall, scoring 42.5 to 41.4 on the Noometry Index.
Which is cheaper, GLM-4.6 or Qwen3.5-Flash?
Qwen3.5-Flash is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; GLM-4.6 lists at $0.60 and $2.20.
Is GLM-4.6 or Qwen3.5-Flash better for coding?
GLM-4.6 scores higher on coding benchmarks: 40.1 versus 34.2 in the Noometry coding category.
Which has the bigger context window?
Qwen3.5-Flash does, with 1M tokens against 205K.
How many benchmarks do GLM-4.6 and Qwen3.5-Flash share?
22 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and Qwen3.5-Flash has 32.