OpenAI launches Astra, its powerful (and controversial) new model
OpenAI announced Astra, a new model the company says pushes forward computer and browser use, claiming advances in speed, accuracy, and safety.
LLMs & Foundation Models — Page 5
OpenAI’s next big AI model has ‘entered the AGI era’
OpenAI has introduced GPT-6 Astra, describing it as a major capability leap and the first model to meet the company's critical cybersecurity capability threshold.
Fine-tuning a 350M Model for Better Structured Outputs in 100 GRPO Steps
This article details the approach used to fine-tune a 350 million parameter model to generate better structured outputs efficiently.
Google says its new Gemini 3.8 Flash model ‘works harder’ but might cost more
Google released Gemini 3.8 Flash weeks after 3.7 Flash, claiming it 'works harder' with more reasoning and iterative tool calls, though higher token use could raise costs.
Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work
Anthropic released Fable 5.1 and Mythos 5.1, saying the new models cost less—up to 45 percent cheaper for complex agentic tasks—while improving performance and addressing customer concerns.
BenchMIRT: What are LLM benchmarks actually measuring?
The article discusses the metrics used in LLM benchmarks and what they truly assess in language models.
Anthropic’s new Fable release is cheaper, less restrictive
Anthropic released Fable 5.1, an update focused on reducing token cost and limiting false-positive restrictions from the model's safety mechanisms.
Introducing Claude Fable 5.1 on AWS
AWS has made Claude Fable 5.1 available on Amazon Bedrock and the Claude Platform, alongside Enterprise Frontier Safeguards for keeping data in a controlled cloud environment.
Weekly AI Roundup: August 28, 2026
The week's 10 most important AI developments in one place, with links to our full sourced briefs.
Google’s Gemini has a branding problem, and so does the rest of AI
An opinion piece contends that Google's Gemini and other consumer AI products have branding problems that force users to understand their underlying product architecture.
AI models flub these intelligence tests. Can you fare any better?
An MIT Technology Review piece looks at how puzzles and games serve as tests of AI progress, noting these challenges have been central to AI development from its beginnings.
Claude Cowork finally remembers what you told the app in chat
Anthropic is introducing shared memory between Claude's chat and Cowork, letting the AI retain context on projects and preferences across both.