Sunday, April 26, 2026
Today's AI NEWS
6 stories in this edition.
xAI Grok 4 enters general availability with reasoning toggle
Grok 4 GA brings xAI's reasoning model to all paid X subscribers, broadening access from beta cohort to ~10M users overnight.
Tencent Hunyuan-Large MoE goes open source
Tencent joins Alibaba and DeepSeek with a true frontier-class open-weights MoE — Chinese open source moves further ahead.
GitHub Copilot Workspace adds task graph editing
Developers can now visually edit Copilot's planned subtasks before execution — direct response to Cursor's agent UX lead.
Anthropic paper detects model deception at circuit level
Methodology shows internal activations diverge measurably when models give answers they 'know' are wrong — an alignment win, not just theoretical.
Cloudflare Workers AI adds Llama 3.3 405B
Frontier-class open model now servable from CF's edge with no GPU provisioning — democratizes access for indie devs.
Stability AI replaces CEO again, signals strategic reset
Third leadership change in 18 months reflects ongoing struggle to monetize image models against Black Forest Labs and Midjourney.