Daily AI Briefing
The 6 top stories of the 120 AIBriefs curated that day.
GPT-Live-1 brings full-duplex voice to the API — it listens and speaks simultaneously rather than taking turns — with custom voices, telephony support, and stronger instruction following. Paired with GPT-6 Astra at medium reasoning effort, it completed 83.6% of Tau3 customer-support tasks on the first attempt.
GPT-6 Astra is OpenAI's most intelligent and aligned model, with state-of-the-art capabilities across computer use, coding, cybersecurity, and science. It is the first OpenAI model to reach the Critical level of cybersecurity capability under the Preparedness Framework.
Fable 5.1 scores 55.8% on Terminal-Bench 4.0 in Claude Code, ahead of Fable 5 (42%) and Opus 5 (52.3%). Pricing matches Fable 5, but cache reads drop to $0.25/MTok from $1/MTok.
The Agents API is a managed service powered by the Codex harness that handles orchestration, long-running sessions, and context management. It is available in public beta, with MCP tool connections and shareable runbook reports.
Muse runs in a secure VM with connectors to Gmail, Google Calendar, Outlook, Plaid and OpenTable, and is priced free or $20/$100 per month by usage. Meta opened its Muse bug bounty to anyone, paying up to $300,000 for valid reports.
NVIDIA agreed to acquire Hugging Face for $12,930,300,000, announced by Jensen Huang. Hugging Face stays an open platform: NVIDIA compute will not be required to build on or deploy through it, and it will keep supporting multi-cloud, multi-accelerator and open-weight models from every builder.
Also that day
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