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AI news on January 7, 2026 · Wednesday

4 stories — deduplicated across sources, ranked by significance, every source cited.
★ Top story · ModelsJan 7

How Tolan builds voice-first AI with GPT-5.1

Tolan built a voice-first AI companion with GPT-5.1, combining low-latency responses, real-time context reconstruction, and memory-driven personalities for natural conversations.

ModelsGPT-5.1

Introducing ChatGPT Health

Models·OpenAI Blog·Jan 7
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