
Product Launch
OpenAI Agents API Release: Codex Harness, Tools & Costs
Explore the Codex harness, context compaction, subagents, sandbox choices and task costs. Understand the beta limits before planning adoption.
Jessie
•14 min
Technical insights, tutorials, and updates from the EvoLink team. Learn how to optimize your AI costs and build better applications.

Explore the Codex harness, context compaction, subagents, sandbox choices and task costs. Understand the beta limits before planning adoption.

Choose Agents API, Agents SDK or Responses API by framework control, approvals, model flexibility and accepted-task cost, with migration and rollback steps.