From model to agent: Equipping the Responses API with a computer environment
What changed
How OpenAI built an agent runtime using the Responses API, shell tool, and hosted containers to run secure, scalable agents with files, tools, and state.
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:
- New tools and features in the Responses API
- Unrolling the Codex agent loop
- Consensus accelerates research with GPT-5 and Responses API
Sources
- From model to agent: Equipping the Responses API with a computer environment (openai-blog)primary