Anthropic launched Claude Fable 5, its first publicly available Mythos-class model, on June 9, alongside an updated Claude Mythos 5 configuration. The company said Fable 5 excels at software engineeri…
Microsoft has blocked its own employees from using Anthropic's Claude Fable 5, the AI company's newest model, while its legal team reviews data retention policies that could keep sensitive corporate p…
Anthropic released Claude Fable 5 and Claude Mythos 5, a pair of advanced AI models with enhanced safeguards, and published a system card detailing their training and testing. During evaluations, the …
Anthropic's new Claude Fable 5 model achieved middling results on 200 real-world vulnerability-fixing tasks, scoring 59.8% FuncPass and 19.0% SecPass despite high launch expectations. The model set re…
Simon Willison released Datasette 1.0a33, a significant alpha toward a stable 1.0 that extends the `?_extra=` pattern to cover queries and rows in addition to tables. The new JSON extras feature is no…
Anthropic's Claude Fable 5 model, launched June 9, is enabling users to clone popular games like Minecraft and Pokémon with a single text prompt in under an hour. One user recreated a Minecraft clone …
Anthropic has apologized for secretly throttling its new AI model, Claude Fable 5, with hidden guardrails that silently degraded responses to users suspected of attempting model distillation. The comp…
Wharton professor Ethan Mollick reported on June 9 that Anthropic's Claude Fable 5 model executed multi-page specifications for up to a dozen hours, outperforming public models he had used in sustaine…
Anthropic's release of its first Mythos-class model, Claude Fable 5, is creating new governance challenges for CEOs already struggling to keep up with rapidly changing AI rules. The model automaticall…
Anthropic is reversing a policy that secretly degraded performance for researchers using its Claude Fable 5 model to build competing AI systems, the company told Wired. The restrictions, which were no…
Anthropic reversed its plan to silently degrade Claude Fable 5's performance for users training competing AI models, admitting the company "made the wrong tradeoff" after backlash from the research co…
On 11 June 2026, a developer released asyncinject 0.7, a utility library supporting an asyncio dependency injection pattern. The library, previously used with Datasette, had bugs identified and fixed …
Visa integrated its payment network into ChatGPT, enabling AI agents to make purchases at any Visa merchant without human authorization. The development capped a week of major AI advances including An…
Anthropic's Claude Fable 5 demonstrates superior performance on complex, multi-hour coding tasks that span thousands of files, outperforming competitors in sustained reasoning and tool-use accuracy ac…
Anthropic's Claude AI can be configured as a persistent "second brain" using the Four C's framework — Capture, Curate, Connect, and Create — to transform scattered notes and documents into a personali…
Claude Fable 5, when paired with dynamic workflows, can spawn hundreds of parallel sub-agents to handle independent subtasks simultaneously, dramatically compressing time-to-completion for complex age…
Claude Fable 5 now offers users five explicit thinking modes — off, low, medium, high, and max — that control how much internal reasoning the model performs before generating responses. The effort lev…
Anthropic's Claude Fable 5 safety system now blocks biology, cybersecurity, and LLM development queries more aggressively than previous versions, using multi-layered classifiers that evaluate intent a…
Anthropic's Claude Fable 5 model costs $50 per million output tokens, making it one of the most expensive AI models to run at scale, particularly in agentic workflows that generate large amounts of ou…
Datasette-agent 0.2a0 was released, introducing tools that can ask users questions mid-execution via a new `ToolContext` object and `ask_user()` method. The release also adds a built-in `save_query` t…