GLM-5.3-Flash-GGUF vs GLM-4.5
Specs, VRAM requirements and download trends — updated 24 October 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | GLM-5.3-Flash-GGUF | GLM-4.5 |
|---|---|---|
| Deployment | Open weights | Open weights · also via API |
| Parameters | 321.3 B | 358.3 B |
| Architecture | — | Glm4MoeForCausalLM |
| Context length | — | 131,072 |
| Licence | mit | mit |
| Commercial use | Allowed | Allowed |
| Languages | 2 | 2 |
| Downloads 30d | 857,059 | 113,929 |
| Downloads all time | 1.7 M | 1.2 M |
| Quantizations on the Hub | GGUF | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-08-26 | 2025-07-20 |
| API input price / 1M tokens | not on OpenRouter | $0.60 |
| API output price / 1M tokens | not on OpenRouter | $2.20 |
| Est. cost per 1M input + 1M output tokens | not on OpenRouter | $2.80 |
| Cached input / 1M tokens | not on OpenRouter | $0.11 |
| AA Intelligence Index | not on OpenRouter | 12.8 |
| AA Coding Index | not on OpenRouter | — |
| AA Agentic Index | not on OpenRouter | — |
| Max output tokens | not on OpenRouter | 98,304 |
| API providers | not on OpenRouter | 1 |
| Tool calling | not on OpenRouter | Yes |
| Reasoning mode | not on OpenRouter | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
GLM-4.5
$2.80
Download trend
Daily snapshots, last 44 days (11 Sep – 24 Oct)
1.1 M117 K
GLM-5.3-Flash-GGUF
GLM-4.5
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
GLM-4.5 · fp16 @ 128K ctx
1,648.9 GB / 24 GB