gpt-oss-20b vs Gemma-4-31B-IT-NVFP4
Specs, VRAM requirements and download trends — updated 6 August 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | gpt-oss-20b | Gemma-4-31B-IT-NVFP4 |
|---|---|---|
| Parameters | 21.5 B | 20.9 B |
| Architecture | GptOssForCausalLM | Gemma4ForConditionalGeneration |
| Context length | 131,072 | — |
| Licence | apache-2.0 | other |
| Commercial use | Allowed | Unknown |
| Languages | — | — |
| Downloads 30d | 8,616,555 | 2,773,900 |
| Downloads all time | 87.8 M | 9.4 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2025-08-04 | 2026-04-02 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
8.6 M2.7 M
gpt-oss-20b
Gemma-4-31B-IT-NVFP4
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Gemma-4-31B-IT-NVFP4 · fp16
39.5 GB / 24 GB
gpt-oss-20b · fp16 @ 128K ctx
82.4 GB / 24 GB