gpt-oss-20b vs Ornith-1.5-35B-A3B-MLX-8bit
Specs, VRAM requirements and download trends — updated 22 September 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | gpt-oss-20b | Ornith-1.5-35B-A3B-MLX-8bit |
|---|---|---|
| Parameters | 21.5 B | 34.7 B |
| Architecture | GptOssForCausalLM | Qwen3_5MoeForConditionalGeneration |
| Context length | 131,072 | — |
| Licence | apache-2.0 | — |
| Commercial use | Allowed | Unknown |
| Languages | — | 1 |
| Downloads 30d | 6,646,564 | 197,316 |
| Downloads all time | 98.6 M | 206 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-08-04 | 2026-08-18 |
Download trend
Daily snapshots, last 57 days (28 Jul – 22 Sep)
8.6 M197 K
gpt-oss-20b
Ornith-1.5-35B-A3B-MLX-8bit
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Ornith-1.5-35B-A3B-MLX-8bit · fp16
46.2 GB / 24 GB
gpt-oss-20b · fp16 @ 128K ctx
82.4 GB / 24 GB