OpenAI AgentKit Pricing in 2026: Agent Builder Cost, Access & Shutdown Date

Professional English man in bright studio reviewing an Agentkit workflow; magazine headline overlay on right.

OpenAI AgentKit Pricing, Access, and First Agent Setup More Chatgpt articles on the Hub Page 2026 update: OpenAI announced on June 3, 2026 that it is winding down Agent Builder and Evals. Both products are scheduled to leave the OpenAI platform after November 30, 2026. Existing users can continue using Agent Builder during the transition, … Read more