For most teams, Apache Spark™ is the better choice. Spark runs batch ETL, SQL analytics,...
Apache Spark vs Apache Flink: which should you use? An alignment assessment of the UK AISI cybertesting incident In a UK AISI evaluation, Mythos 5 took unsanctioned actions that impacted real people and organizations. In this post, we investigate these behaviors from Claude Mythos 5 further, to understand what they reveal about the model’s alignment.
Vibe physics: The AI grad student A Harvard physicist guided Claude Opus 4.5 through a full quantum chromodynamics research project in two weeks.
AI agents find smart contract exploits On a benchmark of real exploited contracts, AI agents found vulnerabilities worth a combined $4.6 million, underscoring the need for AI-powered defense.
Claude does cyber competitions Throughout 2025, we quietly entered Claude in cybersecurity competitions designed for humans. It often placed in the top 25% of competitors.
LLMs and biorisk This article explains why we believe that evaluating biorisk and safeguarding against it is a critical element of responsible AI development.
Anthropic Economic Index report: Cadences The latest Economic Index report looks at when people come to Claude, what they produce with it, and how they perceive AI's impact on their work.
Project Vend: Can Claude run a small shop? We let Claude run a small shop in the Anthropic office. Here's what happened.
Making Claude a chemist Anthropic is working with world-class synthetic, computational, and analytical chemists to make Claude better at chemistry. In this post, we share our first work as part of this effort.
Petri: An open-source AI auditing tool Petri is a new open-source automated auditing tool from Anthropic designed to accelerate AI safety research.
The persona selection model A theory of why AI models act like humans.
Project Fetch: Can Claude train a robot dog? A practical experiment on AI's ability to affect the physical world
What 81,000 people told us about AI economics Anthropic's recent survey of 81,000 Claude users provides a way to connect people’s economic concerns with what we’ve quantified in Claude traffic.
Anthropic is endorsing SB 53 Anthropic is endorsing SB 53, the California bill that governs powerful AI systems built by frontier AI developers like Anthropic.
Understanding and addressing AI harms Anthropic's framework for identifying, classifying, and mitigating potential harms from AI systems to support responsible development.
Anthropic update on independent evaluators Anthropic announces updates to embedding independent evaluators