[6/19 23:00] Macron urges US to share frontier AI at G7 / Sina Weibo releases compact VibeThinker-3B reasoning model

AI News Flash for June 19, 2026 at 23:00 UTC. Topics: 1. Macron urges US to share frontier AI at G7 https://broadbandbreakfast.com/french-president-urges-u-s-to-share-cutting-edge-ai-and-democracies-to-cooperate-on-regulation/ 2. Sina Weibo releases compact VibeThinker-3B reasoning model https://www.marktechpost.com/2026/06/19/vibethinker-3b-a-3b-dense-reasoning-model-built-on-qwen2-5-coder-3b-with-the-spectrum-to-signal-post-training-pipeline/ 3. NVIDIA Research unveils training-free spatial agent SpatialClaw https://www.marktechpost.com/2026/06/19/nvidia-ai-introduce-spatialclaw-a-training-free-agent-that-treats-code-as-the-action-interface-for-spatial-reasoning/