GLM-5.3 vs Ornith-1.0-397B

Specs, VRAM requirements and download trends — updated 10 November 2026.

zai-org · A · Open weights
Params
753.3 B
Context
1,048,576
30d
2.0 M
ornith-ai · B · Open weights
Params
396.8 B
Context
—
30d
187 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification GLM-5.3 Ornith-1.0-397B
Deployment Open weights · also via API Open weights
Parameters 753.3 B 396.8 B
Architecture GlmMoeDsaForCausalLM Qwen3_5MoeForConditionalGeneration
Context length 1,048,576 —
Licence other mit
Commercial use Unknown Allowed
Languages 2 —
Downloads 30d 2,016,722 186,572
Downloads all time 4.3 M 1.2 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-08-25 2026-06-23
API input price / 1M tokens $0.07 not on OpenRouter
API output price / 1M tokens $1.40 not on OpenRouter
Est. cost per 1M input + 1M output tokens $1.47 not on OpenRouter
Cached input / 1M tokens $0.069 not on OpenRouter
AA Intelligence Index 31.7 not on OpenRouter
AA Coding Index 74.8 not on OpenRouter
AA Agentic Index 53.1 not on OpenRouter
Max output tokens 943,718 not on OpenRouter
API providers 36 not on OpenRouter
Tool calling Yes not on OpenRouter
Reasoning mode Yes not on OpenRouter

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

GLM-5.3 $1.47

Download trend

Daily snapshots, last 67 days (5 Sep – 10 Nov)

2.5 M168 K
GLM-5.3 Ornith-1.0-397B

VRAM side by side

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

Ornith-1.0-397B · fp16 933.0 GB / 24 GB
❌ Won’t fit
GLM-5.3 · fp16 @ 1024K ctx 15,295.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons