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Models Hot

Boston Children’s uses AI to unlock new diagnoses

Boston Children’s Hospital uses OpenAI technology to improve patient care, reduce operational burden, and help diagnose more than 40 rare disease cases.

OpenAI Blog·just now

Models Hot

How Braintrust turns customer requests into code with Codex

How Braintrust engineers use Codex with GPT-5.5 to run experiments and code faster.

OpenAI Blog·just now

Models Hot

Strengthening societal resilience with Rosalind Biodefense

OpenAI launches Rosalind Biodefense, expanding trusted access to GPT-Rosalind for vetted developers and U.S. government partners advancing biodefense, public health, and pandemic preparedness through frontier AI.

OpenAI Blog·just now

Models

Claude Opus 4.8: "a modest but tangible improvement"

Anthropic shipped <a href="https://www.anthropic.com/news/claude-opus-4-8">Claude Opus 4.8</a> today. My favourite thing about it is this note in the release announcement: <blockquote> Users will find Opus 4.8 to be a modest but tangible improvement on its predecessor. There’s still more to be done: we’re working on developing and releasing models that provide many of the same capabilities as Opus at a lower cost. </blockquote> It's so refreshing to see an AI lab honestly describe a release as a minor incremental improvement over the previous model! Honesty seems to be

Simon Willison·just now

Models

llm-anthropic 0.25.1

Release: <a href="https://github.com/simonw/llm-anthropic/releases/tag/0.25.1">llm-anthropic 0.25.1</a> <blockquote> <ul> <li>New model: <a href="https://www.anthropic.com/news/claude-opus-4-8">Claude Opus 4.8</a> (<code>claude-opus-4.8</code>).</li> <li>New <code>-o fast 1</code> option for <a href="https://platform.claude.com/docs/en/build-with-claude/fast-mode">fast mode</a>, for organizations with that feature enabled on their account.</li> <li>Default max_tokens for each model now defaults to that model's maximum output rather than 8,192. <a href="https://github.co

Simon Willison·just now

Models

Claude’s new model is more ‘honest’ when it messes up

Anthropic is releasing Claude Opus 4.8 on Thursday, and the company is touting the model's "honesty." According to Anthropic, it trains "all [its] models to be honest - for instance, to avoid making claims that they can't support." But it notes that "a general problem with AI models is that they sometimes jump to conclusions, […]

The Verge AI·just now

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