OpenAI News
Advancing youth safety and wellbeing in EMEA
Explore OpenAI’s European Youth Safety Blueprint and EMEA Youth & Wellbeing Grants, advancing safe, responsible AI for teens, families, and educators.
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Model launches, frontier labs, and foundation-model research.
Introducing agent quality optimization in AgentCore, now in preview | Amazon Web Services
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
The presumption of AI - Mitchell Bryson
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...
Topics: Models
OpenAI News
How OpenAI delivers low-latency voice AI at scale
How OpenAI rebuilt its WebRTC stack to power real-time Voice AI with low latency, global scale, and seamless conversational turn-taking.
Topics: Models
Simon Willison AI Filter
A quote from Anthropic
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 …
Topics: Models
Mitchell Bryson AI Articles
The one-model bet just died - Mitchell Bryson
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...
Topics: Models
Musk v. Altman week 1: Elon Musk says he was duped, warns AI could kill us all, and admits that xAI distills OpenAI’s models
Musk kept his cool, and OpenAI’s lawyer bulldozed him with piercing questions about his motivations for suing the company.
Topics: Models
Mitchell Bryson AI Articles
Not every AI dollar comes back - Mitchell Bryson
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....
Topics: ModelsInfrastructure
Entities: OpenAIModelsInfrastructureAnthropicGoogleGoogle Cloud
Simon Willison AI Filter
Our evaluation of OpenAI’s GPT-5.5 cyber capabilities
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 …
Topics: Models
Reinforcement fine-tuning with LLM-as-a-judge | Amazon Web Services
In this post, we take a deeper look at how RLAIF or RL with LLM-as-a-judge works with Amazon Nova models effectively.
Topics: Models
AWS Generative AI Model Agility Solution: A comprehensive guide to migrating LLMs for generative AI production | Amazon Web Services
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...
Topics: Models