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Model launches, frontier labs, and foundation-model research.
Generate recommendations from production traces, validate them with batch evaluation and A/B testing, and ship with confidence. AI agents that perform well at launch don’t stay that way. As models evolve, user behavior shifts, and prompts get reused in new...
Mitchell Bryson AI Articles
VS Code stamps Copilot as co-author on commits even with AI disabled. OpenAI turns on ad tracking for free users by default. The Academy now demands proof that a performance is 'demonstrably human.' The industry crossed a line this week: AI involvement is...
OpenAI News
How OpenAI rebuilt its WebRTC stack to power real-time Voice AI with low latency, global scale, and seamless conversational turn-taking.
Simon Willison AI Filter
We used an automatic classifier which judged sycophancy by looking at whether Claude showed a willingness to push back, maintain positions when challenged, give praise proportional to the merit of …
Mitchell Bryson AI Articles
In one week, Microsoft shipped its most important AI product using competitors' models side by side, the Pentagon signed deals with seven AI providers instead of picking a winner, and xAI slashed prices by 40% to stay in the game. The lock-in playbook that...
MIT Technology Review AI
Musk kept his cool, and OpenAI’s lawyer bulldozed him with piercing questions about his motivations for suing the company.
Mitchell Bryson AI Articles
All four Big Tech hyperscalers reported earnings on the same night, collectively committing nearly $700 billion to AI infrastructure in 2026. But the market's response drew a sharp line: Alphabet, whose Google Cloud grew 63% on AI demand, was rewarded....
Simon Willison AI Filter
The UK's AI Security Institute previously evaluated Claude Mythos: now they've evaluated GPT-5.5 for finding security vulnerability and found it to be comparable to Mythos, but unlike Mythos it's generally …
In this post, we take a deeper look at how RLAIF or RL with LLM-as-a-judge works with Amazon Nova models effectively.
In this post, we introduce a systematic framework for LLM migration or upgrade in generative AI production, encompassing essential tools, methodologies, and best practices. The framework facilitates transitions between different LLMs by providing robust...
MIT Technology Review AI
Goodfire wants to make training AI models more like good old-fashioned software engineering.
Google DeepMind Blog
Google DeepMind is researching the path toward an AI co-clinician that could work under physician authority to assist doctors and patients, enabling new models for AI-augmented care.