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Big Tech theverge.com

Elon Musk confirms xAI used OpenAI’s models to train Grok

Elon Musk testified in federal court that xAI used OpenAI models via distillation to train Grok, calling it a standard industry practice but confirming it was 'partly' the case. Model distillation lets a 'teacher' AI train a smaller 'student' model, raising ethical questions when done across competitors.

Startups nebius.com

Nebius agrees to acquire Eigen AI for $643M to supercharge AI inference platform

Nebius announced a $643M acquisition of inference optimization specialist Eigen AI, integrating its tech with Nebius's cloud to create a leading managed inference platform for open-source models. Eigen's MIT-backed team joins to establish a Bay Area hub, targeting the booming inference market expected to dominate two-thirds of AI compute demand.

Models nextgov.com

OpenAI makes frontier model GPT-5.5-Cyber available to critical cyber defenders

OpenAI is rolling out its specialized cybersecurity model GPT-5.5-Cyber to federal government and trusted cyber defenders, following Anthropic's Mythos. The model aims to bolster national defenses amid rising threats, with OpenAI publishing a Cybersecurity Action Plan. Access is limited to prevent misuse.

Healthcare deepmind.google

DeepMind announces AI co-clinician research for augmented healthcare

Google DeepMind launches the AI co-clinician initiative to assist doctors in triadic care models, outperforming baselines in evidence synthesis and medication queries. The project emphasizes safeguards, multimodal capabilities, and collaborations to address clinician shortages. Evaluations show promise in simulated telehealth scenarios.

Healthcare ainexusdaily.com

Hippocratic AI Debuts Polaris 5.0: 5-Trillion Parameter Healthcare Model Outpaces Frontier Generalists

Hippocratic AI launched Polaris 5.0, a 5T-parameter specialized LLM for healthcare that surpasses GPT-4, Gemini, and Claude in clinical accuracy, HIPAA compliance (99.1%), and safety. Trained on 180M patient interactions, it features low-latency voice and medical ASR. Validated by 7,500 clinicians.

Policy nytimes.com

Pentagon strikes deals with major AI firms including OpenAI, Nvidia, and Microsoft for classified use

The U.S. Defense Department finalized agreements with seven leading AI companies—OpenAI, Google, SpaceX, Microsoft, Amazon, Nvidia, and Reflection AI—to deploy their models in classified networks. This follows disputes with Anthropic over its Mythos model. The move aims to equip the military with cutting-edge AI for decision superiority.

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distillintelligence.com 5x · 8/20

Quick takes

xAI's Grok trained partly via OpenAI model distillation, Musk confirms in trial
Models
Pentagon now deploys OpenAI/Nvidia AI on classified IL6/IL7 nets post-deals.
Policy
Google Cloud hits $20B quarterly revenue, +63% YoY on AI demand
Big Tech
Hyperscalers 2026 capex: MSFT $190B, GOOGL $180-190B, META $125-145B, AMZN heavy
Big Tech
Grok 4.3: 1M context, $1.25/M input tokens, multimodal agentic beast
Models
Big Tech 2026 capex: $725B+ across hyperscalers
Big Tech
PocketOS AI agent (Cursor/Claude) nukes prod DB/backups in 9s; no human in loop
AI
Meta raises 2026 AI capex to $125-145B (+$10B), shares -10%
Big Tech

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AI markets quiet post-Mag7 earnings; Alphabet leads on cloud AI strength while capex focus persists

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