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AI Daily Brief — 3 June 2026

Gemma 4 crossed 150 million downloads — Demis Hassabis paired the milestone with a new model release. ComfyUI shipped v0.24.0, Perplexity Computer expanded to 400+ tool integrations, and NVIDIA highlighted Physical AI Research agent skills for autonomous vehicles and robotics at CVPR.

Top stories

  • Gemma 4 crosses 150 M+ downloads — paired with a new release. Demis Hassabis announced the milestone. via @demishassabis
  • Perplexity Computer expands to 400+ tool integrations. Repositioning Computer as the agent-platform for growing businesses. via Perplexity
  • NVIDIA: Physical AI Research with Agent Skills for autonomous vehicles, robotics. Major CVPR-week positioning piece on Physical AI. via NVIDIA
  • ComfyUI ships v0.24.0. Major update to the open-source generative-AI workflow tool. via ComfyUI
  • Sebastian Raschka: 4 nice additions to the open-weight local-LLM ecosystem. Hardware-ecosystem round-up. via @rasbt

Who shipped

Amazon Science published “Ground truth is a process, not a dataset” — an opinionated framing of how AWS thinks about labelled-data lifecycles. IEEE Spectrum ran “7 Ways New Engineers Can Flourish in the Age of AI”. Hassabis amplified work on AI-discovered computational models for science.

Open-source pulse

Gemma 4 + ComfyUI 0.24 + Raschka”s roundup combined into a strong OSS day — all directed at consumer-hardware-class inference and creation.

Quiet corners

Anthropic, OpenAI models, Mistral, Meta (Llama), DeepSeek were absent.

By the numbers

  • 22 stories tracked across 14+ sources
  • Most-mentioned model: Gemma 4
  • Most-mentioned lab: Google DeepMind
  • Notable absences: Anthropic, Mistral, Meta, DeepSeek

Compiled by AI Feed”s editor from all 22 headlines published on 3 June 2026.