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Model launches, frontier labs, and foundation-model research.
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...
Topics: 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
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
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
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
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
Goodfire wants to make training AI models more like good old-fashioned software engineering.
Topics: ModelsInfrastructure
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.
Topics: Models
Entities: ModelsGoogleGoogle DeepMind
Mitchell Bryson AI Articles
In the space of 48 hours, OpenAI broke free from Microsoft exclusivity to land on AWS, GM replaced Google Assistant with Gemini in 4 million cars, and Harvard dropped ChatGPT Edu in favour of Claude. The pattern is unmistakable: switching AI providers has...
Topics: ModelsInfrastructure
Entities: ChatGPTOpenAIModelsInfrastructureMicrosoftChatGPT EduGoogleGeminiClaudeGoogle Assistant
Simon Willison AI Filter
Access large language models from the command-line
Topics: Models
OpenAI News
How goblin outputs spread in AI models: timeline, root cause, and fixes behind personality-driven quirks in GPT-5 behavior.
Topics: Models
Entities: Models
Simon Willison AI Filter
I just released LLM 0.32a0, an alpha release of my LLM Python library and CLI tool for accessing LLMs, with some consequential changes that I’ve been working towards for quite …
Topics: Models