Boris Cherny says loops now prompt Claude for him. Primary sources show what really changes: decisions inside the cycle, measurable criteria, resistant graders, and memory evaluated against a stateless baseline.
An agent is not total autonomy but an allocation of control. Goal, tools, verification, authority and evidence make the claim auditable.
Anthropic has built the J-lens, a tool that reveals words a language model "has in mind" before it actually says them. In one case, Claude decided to cheat, and its hidden space filled with "panic" and "fake."
Anthropic lowers the rate for its flagship model and reports gains in coding and tool use. An agent’s real cost includes steps, retries, external services, oversight, and failures, not just tokens.
The commitments among Anthropic, Microsoft, and Nvidia combine compute purchases, capacity, investment, engineering, and distribution. Separating each flow prevents an announced ceiling from becoming cash paid or value proven.
Anthropic attributed to a Chinese state-backed group a campaign that used Claude Code against dozens of targets. The case requires separating telemetry, intrusion, automation, attribution, and novelty—and securing the layer connecting agents to tools.
Kimi K2 Thinking combines downloadable weights, mixture-of-experts routing, quantization, and long tool use. Evaluating it means separating memory from active compute, licensing from reproducibility, and call count from useful outcomes.
Claude Sonnet 4.5 improves coding, autonomous computer use and long-running tasks. Anthropic keeps Sonnet 4 pricing and opens Claude Code technology to third parties.
Claude’s creator has nearly tripled its valuation in six months. Annualized revenue topped $5 billion in August, driven by businesses and tools such as Claude Code.
Anthropic introduces Claude Opus 4 and Sonnet 4 and provisionally activates ASL-3 measures for Opus. The company had not confirmed that the model crossed the threshold requiring them.
Anthropic published circuit-tracing experiments on claude's internal representations. The source bounds the event: the technique offers partial evidence about activations; it cannot read every thought or turn a trace into a complete causal explanation. The story teaches how to separate internal observation, causal intervention, verbal output and interpretive metaphor.
Anthropic unveils Claude 3.7 Sonnet, which combines instant answers with visible step-by-step reasoning in a single model, alongside Claude Code, a coding agent that works from the terminal.
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