gpt-oss (120b / 20b)
First OpenAI open weights since GPT-2: Apache 2.0 MoE reasoners sized for a single 80GB GPU and a laptop respectively.
Sources
Official
- 2025-08 Introducing gpt-oss — announcement.
Writing & commentary
tk — to collect
Tweets
tk — fleet pass pending; mirror to archive
Official record
- gpt-oss-120b: ~117B total / 5.1B active, o4-mini-class; gpt-oss-20b: o3-mini-class, runs in 16GB.
- tk — fill from primary sources
History
tk — context of the world at release; events and entanglements
Impressions
tk — day-of and longitudinal vibes to collect