GLM-5.3 vs Ornith-1.5-397B-FP8
Specs, VRAM requirements and download trends — updated 10 November 2026.
ornith-ai · B · Open weights
Params
403.4 B
Context
—
30d
365 K
mit · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | GLM-5.3 | Ornith-1.5-397B-FP8 |
|---|---|---|
| Deployment | Open weights · also via API | Open weights |
| Parameters | 753.3 B | 403.4 B |
| Architecture | GlmMoeDsaForCausalLM | Qwen3_5MoeForConditionalGeneration |
| Context length | 1,048,576 | — |
| Licence | other | mit |
| Commercial use | Unknown | Allowed |
| Languages | 2 | — |
| Downloads 30d | 2,016,722 | 364,985 |
| Downloads all time | 4.3 M | 979 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-08-25 | 2026-08-18 |
| 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 M193 K
GLM-5.3
Ornith-1.5-397B-FP8
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Ornith-1.5-397B-FP8 · fp16
521.2 GB / 24 GB
GLM-5.3 · fp16 @ 1024K ctx
15,295.6 GB / 24 GB