Evidence-backed signal

Two reasoning model weight releases become available under Apache 2.0. Open weights do not imply publication of the full training data or complete reproducible training pipeline.

supported inference 90% confidence increasing

Downward provenance

event

OpenAI releases gpt-oss weights

Tue Aug 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
96% confidence
artifact

OpenAI releases gpt-oss weights

official_announcement
art-2025q3-gpt-oss
original source

OpenAI releases gpt-oss weights

OpenAI
src-2025q3-gpt-oss