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AI Daily Brief — 20 March 2025

Day 4 of GTC went quantum. NVIDIA staged its first-ever Quantum Day with the CEOs of D-Wave, IonQ, Rigetti, Quantinuum, Pasqal, QuEra, Atom Computing, Infleqtion, PsiQuantum and others — a quiet acknowledgment from Jensen that ‘useful quantum is decades away’ was perhaps too dismissive. Anthropic shipped Claude web search the same day.

Top stories

  • NVIDIA inaugural Quantum Day at GTC 2025. Headlined by a panel with Jensen Huang and the CEOs/execs of D-Wave (Alan Baratz), IonQ (Peter Chapman), Rigetti (Subodh Kulkarni), Quantinuum, Pasqal, QuEra, Atom Computing, Infleqtion, PsiQuantum, Quantum Circuits, SEEQC — plus AWS and Microsoft quantum reps. Focus: the path from double-digit logical qubits to triple-digit qubits needed for practical applications. via NVIDIA
  • Anthropic launches web search for Claude. Claude can now use real-time web search through its consumer chat product, returning cited results and synthesizing answers across multiple sources. Free for some plans, broader rollout planned. via TechCrunch
  • Foxconn unveils FoxBrain LLM session at GTC + GB300 NVL72 showcase. Hon Hai presented FoxBrain — a 70B-parameter Llama-3.1 reasoning model trained on 120 NVIDIA H100 GPUs in ~four weeks — positioned as the engine for Foxconn’s Smart Manufacturing / Smart EV / Smart City platforms. Booth simultaneously displayed a model of the next-generation NVIDIA GB300 NVL72 rack co-developed with NVIDIA. via Hon Hai
  • NVAQC Boston quantum lab — Quantum Day deep-dive. The previously-announced Boston center took center stage on Quantum Day: a supercomputer with 576 NVIDIA Blackwell GPUs on GB200 NVL72 with Quantum-2 InfiniBand, partnering with Harvard, MIT, Quantinuum, QuEra and Quantum Machines. Operations targeted for later in 2025. via NVIDIA

Who shipped

Anthropic ran the headline frontier-lab move with Claude web search. NVIDIA kept the GTC drumbeat going with Quantum Day. Foxconn formally introduced FoxBrain on the GTC stage.

Open-source pulse

No major open-weights drop dated Mar 20. Hunyuan T1 was still one day out.

Money, infra & hardware

Quantum-Day stocks rallied — D-Wave, IonQ and Rigetti all moved sharply on the NVIDIA endorsement signal. BMW ran sessions on its cloud-streamed 3D AppStore built on NVIDIA Omniverse.

Quiet corners

No major OpenAI, Google, Meta or xAI launches specifically dated Mar 20 — frontier press deferred to Anthropic’s web search and GTC’s quantum show.

By the numbers

  • 11+ — quantum-hardware companies sharing the Quantum Day stage
  • 576 — Blackwell GPUs in the NVAQC quantum supercomputer
  • 70B — FoxBrain parameter count; trained on 120 H100s
  • Most-mentioned company: NVIDIA

Compiled by AI Feed’s editor from verified web sources for 20 March 2025.