Writing Style
An evaluation by Arena shows: Claude Opus 5.5 writes shorter sentences and almost dispenses with em dashes. However, the responses are getting longer.
Open Letter
AI Safety and Transparency
Microsoft AI chief Mustafa Suleyman is taking aim at rival Anthropic: Teaching AI models such as Claude to develop a sense of their own rights and well-being could pave the way for an autonomous species that competes with humans for resources.
Models not fully aligned
In a new blog post, Anthropic has admitted that its own technology is not fully aligned with human values and goals.
New AI generation
Anthropic has released its new flagship model in two variants: Fable 5.1 and Mythos 5.1. According to the manufacturer, both not only deliver more performance, but also work with fewer tokens and less frequently block harmless requests.
Growing price pressure in the AI market
A report by the Financial Times describes that Anthropic’s most powerful AI model, Fable 5, is lagging behind cheaper alternatives like DeepSeek among users.
Forecast exceeds SpaceX estimates
Anthropic puts its potential total market at over $30 trillion. The gigantic forecast is intended to justify the valuation ahead of the planned IPO.
Response to customer criticism
Anthropic plans to give business customers more control over the storage location of their data when using its most powerful AI models in the future.
Fewer confirmation prompts
Anthropic is making the so-called Auto mode in Claude Code the default setting starting August 14. A classifier will now review every action instead of the user.
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