GPT-OSS (20B, MoE, Q4)
OpenAI's open-weight 20B-parameter Mixture-of-Experts model (~3.6B active per token). Configurable reasoning effort (low/medium/high), full chain-of-thought access, and native function-calling. Lower-latency frontier-class on-device option for machines with 16GB+ memory.
| At a glance | |
|---|---|
| Made by | OpenAI |
| Download size | 12.0 GB |
| Parameters | 20B |
| Quantization | Q4_K_M |
| Context window | 131K tokens |
| Uses tools | Yes |
| Best for | Reasoning |
| Runs on | llama.cpp, MLX, Ollama |
| License | Apache 2.0 |
| Added to the catalog | 2026-08-15 |
Gezel downloads this model the first time a gezel needs it, checks the file against its published hash, and applies tuned settings for it.