Claude

Claude is Anthropic's frontier AI assistant, designed to be helpful, harmless, and honest.

https://claude.ai ↗

Changelog

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Anthropic 1 week ago

Anthropic launches Claude Code Security in limited preview; found 500+ zero-day vulnerabilities in open-source code//Claude Code Security, a new AI-powered capability within Claude Code, automatically scans codebases for complex vulnerabilities and suggests patches—finding security issues that traditional static analysis tools miss. Available in limited research preview for Enterprise and Team customers, the tool leverages recent improvements in Claude's cybersecurity abilities demonstrated through over 500 zero-day discoveries in production open-source repositories.

featuresecurityapirelease

Anthropic 1 week ago

Claude launches automatic prompt caching and retires Sonnet 3.7, Haiku 3.5 models//Anthropic has introduced automatic prompt caching for the Claude Messages API, eliminating manual cache breakpoint management. The company is retiring older model versions (Sonnet 3.7 and Haiku 3.5) while recommending users upgrade to Sonnet 4.6 and Haiku 4.5.

apifeaturedeprecation

Anthropic 1 week ago

Anthropic launches automatic prompt caching and Claude Sonnet 4.6; retires earlier models//Anthropic has released Claude Sonnet 4.6 alongside automatic prompt caching for the Messages API, eliminating manual cache management. The company is retiring older models (Sonnet 3.7, Haiku 3.5) and deprecating Haiku 3 in April 2026.

releasefeatureapimodeldeprecation

Anthropic 1 week ago

Anthropic releases Claude Sonnet 4.6 with 70% preference over predecessor in coding tasks//Claude Sonnet 4.6 is now available as the default model on Claude.ai and Claude Cowork, bringing major improvements in coding, computer use, and long-context reasoning. The model features a 1M token context window in beta and performs on par with or better than the frontier Opus 4.5 model at Sonnet pricing ($3/$15 per million tokens).

releasemodelfeatureapiperformance

Anthropic 3 weeks ago

Anthropic releases Claude Opus 4.6 with 1M token context, outperforms GPT-5.2 by 144 Elo points//Anthropic introduced Claude Opus 4.6, its most capable flagship model to date, featuring a 1M token context window in beta and state-of-the-art performance on coding, reasoning, and knowledge work benchmarks. The model is now available on claude.ai, the API, and major cloud platforms with pricing unchanged at $5/$25 per million tokens.

releasemodelfeatureapi

Anthropic 3 weeks ago

Xcode 26.3 integrates Claude Agent SDK for autonomous coding tasks within Apple's IDE//Apple's Xcode 26.3 now natively supports the Claude Agent SDK, enabling developers to leverage agentic coding capabilities directly in the IDE. The integration allows Claude to autonomously handle complex, long-running tasks including visual verification with Previews, cross-project reasoning, and intelligent task execution without leaving Xcode.

releasefeaturesdkintegrationapi