OpenAI Agents SDK Pricing History and Changes
Manually verified audit trail of all pricing changes, plan updates, and feature additions
May 30, 2026
Plan Added
OpenAI Agents SDKFree
OpenAI Agents SDK added a new "OpenAI Agents SDK" plan at $0/mo (Free)
Official Python framework for building AI agentsBuilt-in agent loop (no tool loop to write yourself)Sessions for persistent memory across turns
Plan Removed
Open-Source SDK
OpenAI Agents SDK removed the "Open-Source SDK" plan
May 21, 2026
Plan Removed
was Free
OpenAI Agents SDK removed the "API costs" plan
Plan Removed
was Free
OpenAI Agents SDK removed the "Free SDK" plan
Plan Added
$null/mo
OpenAI Agents SDK added a new "API Usage (Pay-as-you-go)" plan
Pay-per-token pricing for model callsAccess to GPT-4o, GPT-4o-mini, and o1 modelsCode Interpreter execution capabilities
Plan Added
Free
OpenAI Agents SDK added a new "Open-Source SDK" plan at $0/mo
Open-source Python frameworkMulti-agent orchestration and handoffsState and context variable management
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