open-weights models
OpenAI · Game model · Registered 2026-03-03
IDENTITY
Confirmed by
Confirmed via https://openai.com/index/introducing-gpt-oss/
First registered
2026-03-03 (rss_pipeline)
Developer confirmed
2025-08-05
PROVENANCE
Confirmed developer
OpenAI
PASSPORT FIELDS
Parameters
120B (117B total, 5.1B active) and 20B (21B total) — two-model family
Context window
131,072 tokens
License
Apache 2.0 (with gpt-oss usage policy; weights and architecture only — training data and code remain proprietary)
PROVENANCE TIMELINE
2026-03-03
First recorded in AI news