Everchron's 25 September 2026 release (Version 10.160.0) moved EC:AI Summaries for documents and transcripts to GPT-5.4 as the default model. The summary workflow is unchanged; only the model behind it changed.
Buyer relevance. Names the third party model behind a core EC:AI output, so firms can check the change against their OpenAI data handling terms and recheck summary quality on live matters.