【ChatGPT】GPT-5.5-Chat to Be Offered on the Municipal AI Zevo Starting May 12, 2026!
Summary
ShiftPlus started providing the GPT-5.5-chat (gpt-chat-latest) model in its自治体AI zevo system for municipal LGWAN environments effective May 12, 2026. The OpenAI chat-optimized model delivers higher factual accuracy, better tool-calling and about 25–30% shorter, higher-quality responses, and supports large context windows (128000 input / 16000 output) with a knowledge cutoff of August 2025. Existing zevo customers can use the new model at no additional cost, but organization administrators must explicitly enable it because the default setting is disabled. zevo also integrates with the LGTalk secure business chat and the eRex voice transcription tool, and ShiftPlus says it will continue expanding supported generation-AI models and features for municipal DX.
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