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SpeedAI is a web-based AI writing platform built around two things: an AI humanizer tuned for academic detectors (Turnitin, CNKI/知网, VIP/维普, Gezida/格子达) and the SpeedAI 2.0 Agent that drafts full papers, reports, and PPT decks.

May 2026 brought the biggest writing-tool release of the year so far: OpenAI’s GPT-5.5, plus a spreadsheet-native ChatGPT for Excel and Google Sheets.