
Anthropic Says Claude Found a Phage System, Function Unknown
Roughly 950 Claude agents flagged an unusual reverse transcriptase arrangement in 21 hours. Human experiments confirmed RNA expression, not gene-editing activity.
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Roughly 950 Claude agents flagged an unusual reverse transcriptase arrangement in 21 hours. Human experiments confirmed RNA expression, not gene-editing activity.

Opus 5.5 previews Anthropic’s efficiency push, but the prices and test results that will determine the next two models’ value are still…
Anthropic’s first Claude 5.5 model pairs stronger coding results with cheaper cached tokens, but its cost and safety claims need context.
Claude Code 2.1.277 can reuse cross-tool project instructions, while its built-in mod previews a more customizable coding harness.
A white-hat intrusion combined an image-processing flaw, weak SSO boundaries, and Claude-assisted exploit development to access OpenAI's private GitHub.
Anthropic says Claude accelerated 36 biomolecular tools, released the code, and will test the practical payoff across more than 5,000 proteins.
Anthropic is removing the mode switch, letting Claude route quick questions and longer-running tasks through the same conversation.
The company’s guidance focuses on prompt caching, instruction cleanup, and effort tuning to lower API bills without sacrificing task quality.
Fable 5.1 may be Anthropic's best model yet, but ridiculous quotas, token use, and safeguards make it frustrating to use.
Anthropic’s new Fable and Mythos models pair stronger long-horizon performance with cheaper cache reads and tighter controls for frontier research.
Anthropic’s SendFeedback tool turns Claude Code failures into editable reports while keeping transcript sharing and submission under the developer’s control.
Anthropic’s shared memory carries context between conversations and Cowork tasks, with topic-level controls and an opt-in for sensitive information.
Anthropic’s playbook replaces document handoffs with committed artifacts and agentic loops, while security controls scale around AI-authored code.
Anthropic’s own postmortems show how effort settings, context bugs, hidden prompts, and outages can weaken Claude without changing the underlying model.
Business AI buyers are choosing cheaper Claude and open-weight models unless a task clearly requires Anthropic’s most expensive intelligence.
A strange web interface bug may have exposed something closer to the model’s raw internal shorthand, and it does not look anything…
The company says it was an anti-abuse experiment meant to stop unauthorized resellers and model distillation. But hiding China-related routing signals inside…
Claude can now spin up parallel agents for massive coding tasks, but this much power comes with a serious token bill.
Claude can now write its own orchestration scripts and spin up a fleet of subagents to tackle codebase-scale tasks that previously took…
Six weeks after Opus 4.7, Anthropic ships a faster, more honest flagship LLM with parallel subagent support and a 3x cheaper fast…
From Microsoft's internal pilot cancellation to Uber's blown AI budget, token-based pricing is forcing a reckoning across the industry.
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