AI News Flash for April 28, 2026 at 18:00 UTC.
Topics:
1. AWS-OpenAI partnership expansion, GPT-5.4 on Bedrock
https://www.aboutamazon.com/news/aws/bedrock-openai-models
2. NVIDIA Nemotron 3 Nano Omni release
https://blogs.nvidia.com/blog/nemotron-3-nano-omni-multimodal-ai-agents/
3. Musk vs OpenAI trial begins in Oakland
https://www.reuters.com/legal/litigation/openai-trial-pitting-elon-musk-against-sam-altman-kicks-off-2026-04-28/
4. Amazon agentic AI offensive, Quick assistant unveiled
https://www.aboutamazon.com/news/aws/amazon-quick-desktop-ai-assistant
5. NVIDIA stock drops, AI growth concerns
https://www.barrons.com/articles/nvidia-stock-price-amd-broadcom-60e71726