Model comparison
GLM-5 vs Hy4 preview
GLM-5 and Hy4 preview score almost the same on the Noometry Index (46.1 vs 45.3), so choose on price, context window or the category you care about most.
Last verified . 2 shared benchmarks.
TencentSummary
- They share 2 benchmarks with published results for both. GLM-5 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 46.4.
- The biggest single-benchmark swing is NYT Connections (extended): 74.8% for GLM-5 and 68.2% for Hy4 preview.
- Hy4 preview is cheaper at $0.83 / $2.50 per million input/output tokens, against $1 / $3.20 for GLM-5.
- Hy4 preview accepts more context: 1.05M tokens versus 205K.
Side by side
| GLM-5 | Hy4 preview | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Tencent |
| Noometry Index | 46.1 | 45.3 |
| Released | 2026-02-11 | 2026-08-28 |
| Weights | Open | Open |
| Context window | 205K | 1.05M |
| Max output | 131K | 64K |
| Input $ / M tokens | $1 | $0.83 |
| Output $ / M tokens | $3.20 | $2.50 |
| Results tracked | 45 | 3 |
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Category by category
Coding Hy4 preview leads
GLM-5: 49.0 (#52), Hy4 preview: 51.6 (#38)
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| LMArena WebDev | 1434 | 1632 |
| SWE-bench Verified | 72.1% | — |
| SWE-bench Verified (bash only) | 72.8% | — |
| SWE-bench Multilingual | 69.7% | — |
| WeirdML | 48.2% | — |
| LMArena Coding | 1461 | — |
| ALE-Bench | 765.62 | — |
Agentic & Tool Use Not comparable
GLM-5: 31.1 (#71), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| Terminal-Bench | 52.4% | — |
| τ²-bench Airline | 82.5% | — |
| τ²-bench Banking | 9.8% | — |
| τ²-bench Retail | 73.7% | — |
| τ²-bench Telecom | 86.8% | — |
| Vending-Bench 2 | 4,432 | — |
Reasoning Hy4 preview leads
GLM-5: 27.6 (#116), Hy4 preview: 31.9 (#79)
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| NYT Connections (extended) | 74.8% | 68.2% |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 53.2% | — |
| Kagi LLM Benchmark | 75% | — |
| ARC-AGI-1 | 44.7% | — |
| Chess Puzzles | 10% | — |
| LMArena Hard Prompts | 1452 | — |
| Epoch Capabilities Index | 145.83 | — |
| ForecastBench | 61 | — |
Math Hy4 preview leads
GLM-5: 46.4 (#71), Hy4 preview: 55.7 (#42)
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| MathArena Final-Answer Competitions | 65.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
| ProofBench | — | 75% |
| LMArena Math | 1440 | — |
| FrontierMath (Feb 2025 set) | 16.4% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Not comparable
GLM-5: 52.3 (#64), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| GPQA Diamond | 87.8% | — |
| Vectara Hallucination Rate | 10.1% | — |
| LMArena Expert | 1454 | — |
Multilingual Not comparable
GLM-5: 53.7 (#58), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1430 | — |
| LMArena Chinese | 1511 | — |
| LMArena French | 1455 | — |
| LMArena German | 1445 | — |
| LMArena Japanese | 1416 | — |
| LMArena Korean | 1423 | — |
| LMArena Russian | 1436 | — |
| LMArena Spanish | 1454 | — |
Instruction Following Not comparable
GLM-5: 75.2 (#67), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| LMArena Instruction Following | 1428 | — |
Long Context Not comparable
GLM-5: 44.7 (#60), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| CL-bench | 18.7% | — |
| LMArena Longer Query | 1446 | — |
Writing & Preference Not comparable
GLM-5: 66.0 (#38), Hy4 preview: —
| Benchmark | GLM-5 | Hy4 preview |
|---|---|---|
| LMArena Text | 1446 | — |
| LMArena Creative Writing | 1439 | — |
| EQ-Bench Creative Writing | 1601 | — |
| LMArena Multi-Turn | 1456 | — |
Frequently asked questions
Is GLM-5 better than Hy4 preview?
GLM-5 and Hy4 preview score almost the same on the Noometry Index (46.1 vs 45.3), so choose on price, context window or the category you care about most.
Which is cheaper, GLM-5 or Hy4 preview?
Hy4 preview is cheaper. It lists at $0.83 per million input tokens and $2.50 per million output tokens; GLM-5 lists at $1 and $3.20.
Is GLM-5 or Hy4 preview better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 49.0 in the Noometry coding category.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 205K.
How many benchmarks do GLM-5 and Hy4 preview share?
2 benchmarks have published results for both models. GLM-5 has 45 scored results on Noometry and Hy4 preview has 3.