GLM-5.3-Flash-GGUF vs Hy3-preview

Specs, VRAM requirements and download trends — updated 24 October 2026.

unsloth · A · Open weights
Params
321.3 B
Context
—
30d
857 K
mit · commercial OK
tencent · B · Open weights
Params
298.8 B
Context
262,144
30d
85 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification GLM-5.3-Flash-GGUF Hy3-preview
Deployment Open weights Open weights · also via API
Parameters 321.3 B 298.8 B
Architecture — HYV3ForCausalLM
Context length — 262,144
Licence mit other
Commercial use Allowed Unknown
Languages 2 —
Downloads 30d 857,059 84,611
Downloads all time 1.7 M 491 K
Quantizations on the Hub GGUF SAFETENSORS
Gated No No
First seen on the Hub 2026-08-26 2026-04-13
API input price / 1M tokens not on OpenRouter $0.18
API output price / 1M tokens not on OpenRouter $0.60
Est. cost per 1M input + 1M output tokens not on OpenRouter $0.78
Cached input / 1M tokens not on OpenRouter $0.06
AA Intelligence Index not on OpenRouter 25.3
AA Coding Index not on OpenRouter 58.8
AA Agentic Index not on OpenRouter 24.1
Max output tokens not on OpenRouter 235,929
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

Hy3-preview $0.78

Download trend

Daily snapshots, last 44 days (11 Sep – 24 Oct)

1.1 M88 K
GLM-5.3-Flash-GGUF Hy3-preview

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Hy3-preview · fp16 @ 256K ctx 2,092.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons