gpt-oss

gpt-oss-120b

OpenAI · open-permissive apache-2.0

Parameters (B)116.829
Architecturemoe
Layers / KV heads / head dim36 / 8 / 64
Context window131072
Modalitiesin: text; out: text
GGUFavailable
Commercial useyes

Minimum hardware (estimate)

At Q4_K_M and 8k context, total working set ≈ 72.1 GiB. On a machine with 64 GiB system RAM and no discrete GPU: Won't run. Limiting factor: No GPU and system RAM insufficient for weights + KV.

Open in fit advisor

Scores

BenchmarkValueUncertaintyRun bySource
GPQA Diamond75.8%unknownthird-partyepoch-ai
OTIS Mock AIME 2024-202588.9%unknownthird-partyepoch-ai
SimpleQA Verified13.9%unknownthird-partyepoch-ai
Aider polyglot41.8%unknownthird-partyepoch-ai
Terminal-Bench18.7%unknownthird-partyepoch-ai
Terminal-Bench18.7%unknownthird-partyepoch-ai
Terminal-Bench14.2%unknownthird-partyepoch-ai
Terminal-Bench14.2%unknownthird-partyepoch-ai

Provenance

HF: openai/gpt-oss-120b · snapshot 2026-08-10