Model comparison
GLM-5V-Turbo vs Hy4 preview
Hy4 preview is the stronger model overall, scoring 45.3 to 43.8 on the Noometry Index.
Last verified . 1 shared benchmarks.
TencentSummary
- They share 1 benchmark with published results for both. GLM-5V-Turbo scores higher in 0 categories and Hy4 preview in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Hy4 preview leads 55.7 to 39.4.
- Hy4 preview is cheaper at $0.75 / $2.25 per million input/output tokens, against $1.20 / $4 for GLM-5V-Turbo.
- Hy4 preview accepts more context: 1.05M tokens versus 200K.
- Hy4 preview has downloadable open weights; the other is API-only.
Side by side
| GLM-5V-Turbo | Hy4 preview | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Tencent |
| Noometry Index | 43.8 | 45.3 |
| Released | 2026-04-01 | 2026-08-28 |
| Weights | Proprietary | Open |
| Context window | 200K | 1.05M |
| Max output | 131K | 64K |
| Input $ / M tokens | $1.20 | $0.75 |
| Output $ / M tokens | $4 | $2.25 |
| Results tracked | 19 | 3 |
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Category by category
Coding Hy4 preview leads
GLM-5V-Turbo: 42.1 (#111), Hy4 preview: 51.6 (#38)
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena WebDev | 1401 | 1632 |
| LMArena Coding | 1466 | — |
Reasoning Hy4 preview leads
GLM-5V-Turbo: 29.7 (#89), Hy4 preview: 31.9 (#79)
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| NYT Connections (extended) | — | 68.2% |
| LMArena Hard Prompts | 1443 | — |
Math Hy4 preview leads
GLM-5V-Turbo: 39.4 (#106), Hy4 preview: 55.7 (#42)
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| ProofBench | — | 75% |
| LMArena Math | 1441 | — |
Knowledge Not comparable
GLM-5V-Turbo: 40.6 (#117), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Expert | 1452 | — |
Multimodal Not comparable
GLM-5V-Turbo: 40.9 (#42), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Vision | 1264 | — |
| LMArena Document | 1416 | — |
Multilingual Not comparable
GLM-5V-Turbo: 53.0 (#73), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1420 | — |
| LMArena Chinese | 1488 | — |
| LMArena French | 1444 | — |
| LMArena German | 1423 | — |
| LMArena Korean | 1396 | — |
| LMArena Russian | 1431 | — |
| LMArena Spanish | 1450 | — |
Instruction Following Not comparable
GLM-5V-Turbo: 75.0 (#80), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Instruction Following | 1423 | — |
Long Context Not comparable
GLM-5V-Turbo: 44.0 (#80), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Longer Query | 1438 | — |
Writing & Preference Not comparable
GLM-5V-Turbo: 62.5 (#73), Hy4 preview: —
| Benchmark | GLM-5V-Turbo | Hy4 preview |
|---|---|---|
| LMArena Text | 1437 | — |
| LMArena Creative Writing | 1416 | — |
| LMArena Multi-Turn | 1432 | — |
Frequently asked questions
Is GLM-5V-Turbo better than Hy4 preview?
Hy4 preview is the stronger model overall, scoring 45.3 to 43.8 on the Noometry Index.
Which is cheaper, GLM-5V-Turbo or Hy4 preview?
Hy4 preview is cheaper. It lists at $0.75 per million input tokens and $2.25 per million output tokens; GLM-5V-Turbo lists at $1.20 and $4.
Is GLM-5V-Turbo or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 42.1 in the Noometry coding category.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 200K.
How many benchmarks do GLM-5V-Turbo and Hy4 preview share?
1 benchmark has published results for both models. GLM-5V-Turbo has 19 scored results on Noometry and Hy4 preview has 3.