GLM-5.3-FlashX
GLM-5.3-FlashX is an open-weights language model from Z.ai, released September 18, 2026. The context window is 1M tokens. API price: $0.37 input / $1.25 output per million tokens.
Check it against your own PC →
Lab
Z.ai
Released
September 18, 2026
Weights
Open
Parameters
–
Context
1M
Price / M tokens
$0.37 / $1.25 in / out
Epoch ECI
not yet rated
Can you run GLM-5.3-FlashX locally?
Even with 32 GB of VRAM and 32 GB of RAM it is too large to run at a usable speed on a single consumer GPU. Estimates assume 32 GB of DDR5 RAM, a 16K context and llama.cpp-style GGUF quantization. Enter your exact hardware in the live app.
| GPU memory | Verdict | Best quant | VRAM | RAM | tok/s |
|---|---|---|---|---|---|
| 6 GB VRAM | Size unknown | – | – | – | – |
| 8 GB VRAM | Size unknown | – | – | – | – |
| 12 GB VRAM | Size unknown | – | – | – | – |
| 16 GB VRAM | Size unknown | – | – | – | – |
| 24 GB VRAM | Size unknown | – | – | – | – |
| 32 GB VRAM | Size unknown | – | – | – | – |
Parameter count unknown. The weights may not be on Hugging Face yet.
Benchmark results
Epoch AI has not published results for GLM-5.3-FlashX yet. New models are usually evaluated within days to weeks.
More from Z.ai
GLM 5.3 Flash BF16 · GLM 5.3 BF16 · GLM-5.3-Flash · GLM-5.3 · GLM-5.2 · GLM-5.1 · GLM-5V-Turbo · GLM-5-Turbo