Introducing gpt-oss

We’re releasing gpt-oss-120b and gpt-oss-20b—two state-of-the-art open-weight language fashions that ship robust real-world efficiency at low value. Available beneath the versatile Apache 2.0 license, these fashions outperform equally sized open fashions on reasoning duties, display robust device use capabilities, and are optimized for environment friendly deployment on client {hardware}.