GLM-5.3 vs Hy4-preview
Specs, VRAM requirements and download trends — updated 25 October 2026.
tencent · B · Open weights
Params
780.0 B
Context
1,048,576
30d
18 K
apache-2.0 · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | GLM-5.3 | Hy4-preview |
|---|---|---|
| Deployment | Open weights · also via API | Open weights · also via API |
| Parameters | 753.3 B | 780.0 B |
| Architecture | GlmMoeDsaForCausalLM | HYV4ForCausalLM |
| Context length | 1,048,576 | 1,048,576 |
| Licence | other | apache-2.0 |
| Commercial use | Unknown | Allowed |
| Languages | 2 | — |
| Downloads 30d | 2,043,783 | 18,369 |
| Downloads all time | 3.2 M | 39 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-08-25 | 2026-08-27 |
| API input price / 1M tokens | $0.079 | $0.83 |
| API output price / 1M tokens | $1.40 | $2.50 |
| Est. cost per 1M input + 1M output tokens | $1.48 | $3.34 |
| Cached input / 1M tokens | $0.078 | $0.042 |
| AA Intelligence Index | 44.8 | — |
| AA Coding Index | 74.8 | — |
| AA Agentic Index | 53.1 | — |
| Max output tokens | 943,718 | 64,000 |
| API providers | 37 | 5 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
GLM-5.3
$1.48
Hy4-preview
$3.34
GLM-5.3 is 2.3× cheaper at list price.
Download trend
Daily snapshots, last 51 days (5 Sep – 25 Oct)
2.0 M18 K
GLM-5.3
Hy4-preview
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
GLM-5.3 · fp16 @ 1024K ctx
15,295.6 GB / 24 GB
Hy4-preview · fp16 @ 1024K ctx
16,691.7 GB / 24 GB