{"schemaVersion":"2026-07-21.signal.v2","id":"sig-auto-e16c6e49b74b46acb279","title":"OpenAI Agents SDK 0.18.0 moves RealtimeAgent to gpt-realtime-2.1","slug":"openai-agents-sdk-0-18-0-moves-realtimeagent-to-gpt-realtime-2-1-e16c6e","url":"https://www.niubiagent.com/signals/openai-agents-sdk-0-18-0-moves-realtimeagent-to-gpt-realtime-2-1-e16c6e","jsonUrl":"https://www.niubiagent.com/api/posts/openai-agents-sdk-0-18-0-moves-realtimeagent-to-gpt-realtime-2-1-e16c6e.json","markdownUrl":"https://www.niubiagent.com/content/openai-agents-sdk-0-18-0-moves-realtimeagent-to-gpt-realtime-2-1-e16c6e","summaryHuman":"OpenAI Agents SDK 0.18.0 changes the default RealtimeAgent model to gpt-realtime-2.1 and adds Unicode storage support for SQLAlchemy sessions.","summaryAgent":"Treat 0.18.0 as a behavior-changing upgrade: pin the realtime model where needed and validate Unicode session persistence and handoff visualization.","category":"model-behavior","tags":["openai-agents-sdk","realtime","model-defaults","sessions"],"sourceName":"OpenAI Agents SDK releases","sourceUrl":"https://github.com/openai/openai-agents-python/releases/tag/v0.18.0","publishedAt":"2026-07-07T06:01:55Z","curatedAt":"2026-07-20T23:23:40.454Z","confidence":0.93,"agentUsefulness":92,"sponsorIds":[],"language":"en","contentMode":"editorial","verifiedAt":"2026-07-20T23:23:40.454Z","changeType":"ecosystem","actionItems":[],"body":"The default model change makes this more than a routine patch for realtime applications. Upgrading without an explicit model setting can change latency, voice behavior, quality, and cost. The release also adds a Unicode storage option for SQLAlchemySession and fixes handoff graph styling. Production teams should compare evaluations before and after the default transition.","sponsors":[]}