gpt-oss-120b & gpt-oss-20b Model Card
What changed
We introduce gpt-oss-120b and gpt-oss-20b, two open-weight reasoning models available under the Apache 2.0 license and our gpt-oss usage policy.
Why it matters
A concrete addition to Practical AI: Tools, Models & Frameworks: it changes what's available to builders today rather than being general commentary.
How it compares
Related prior coverage to compare against:
- gpt-oss-safeguard technical report
- Introducing gpt-oss
- OpenAI Codex with Ollama
Sources
- gpt-oss-120b & gpt-oss-20b Model Card (openai-blog)primary