Anthropic and Claude
Anthropic is an American artificial intelligence company headquartered in San Francisco that develops the Claude family of large language models. Founded in 2021 by former OpenAI employees, the company operates as a public benefit corporation with a mission focused on AI safety[^c1]. Anthropic uses a training methodology called Constitutional AI, which instills ethical guidelines directly into its models through a written set of principles[^c2]. By June 2026, the company had reached a valuation of $965 billion[^c13], with annualized revenue surpassing $47 billion[^c14] after experiencing 80-fold year-over-year growth in early 2026[^c9]. In the second quarter of 2026, the company projected its first quarterly operating profit of $559 million[^c12]. On June 1, 2026, Anthropic filed a confidential S-1 registration statement with the SEC for a proposed initial public offering, selecting Morgan Stanley and Goldman Sachs as lead underwriters with JPMorgan also participating, and entering a three-way IPO race with SpaceX and OpenAI[^c16][^c20][^c26].
The Claude model family, named after mathematician Claude Shannon, has gone through multiple major versions from Claude 1 in 2023 to Claude Opus 4.8 in May 2026, consistently ranking among the leading AI models in coding, reasoning, and agentic capabilities[^c3][^c15]. On June 9, 2026, Anthropic launched Claude Fable 5, the first Mythos-class model made generally available, described as exceeding the capabilities of any prior model the company had released[^c30]. A restricted variant, Claude Mythos 5, was simultaneously deployed through Project Glasswing for cybersecurity partners with safety safeguards lifted in certain areas[^c31]. On June 12, 2026, the US government issued its first-ever export control directive against an AI firm, forcing Anthropic to suspend both Fable 5 and Mythos 5 globally over national security concerns, a move that prompted an open letter from over 80 cybersecurity leaders including Nvidia and Adobe supporting Anthropic[^c32][^c33]. On June 26, after two weeks of negotiations, the government partially lifted the ban, allowing Mythos 5 to be redeployed to a small group of cybersecurity defenders and infrastructure providers, while Fable 5 remained unavailable[^c36]. The same day, OpenAI restricted its new GPT-5.6 Sol model to approximately 20 Trump-approved customers at the administration's request. On June 23, 2026, Anthropic launched Claude Tag, a persistent AI agent integrated into Slack that acts as an always-on team member in group channels[^c35]. Claude Opus 4.8 introduced improvements in coding accuracy and honesty but also sparked user backlash over increased task refusals and perceived moralizing in conversational settings[^c22]. Beyond the core model, Anthropic has developed specialized products including Claude Code, a terminal-based agentic coding tool that generates approximately 4% of all public GitHub commits; Claude Cowork, a desktop agent for knowledge workers; Claude for Healthcare, a HIPAA-compliant platform targeting medical administrative workflows; Claude Design for visual content creation; and managed agent capabilities including Dreaming, Outcomes, and Multiagent Orchestration[^c4]. OpenAI founding member Andrej Karpathy joined Anthropic's pretraining team in May 2026 to build a team focused on using Claude to accelerate pretraining research[^c11]. The company introduced the Model Context Protocol (MCP), an open standard for connecting AI applications to external tools and data sources that reached over 300 million monthly SDK downloads by April 2026[^c5]. In cybersecurity, Anthropic launched Project Glasswing and the Claude Mythos Preview model, which identified thousands of previously unknown software vulnerabilities, and expanded the initiative in June 2026 to approximately 200 partner organizations across more than 15 countries including NATO and Samsung[^c17][^c28].
In a landmark development for AI's role in advancing AI, the Anthropic Institute reported in June 2026 that more than 80% of code merged into Anthropic's own production codebase was authored by Claude, with engineers shipping 8 times more code per quarter than the company's 2021–2025 baseline[^c23][^c29]. The institute's recursive self-improvement report showed that Claude-aided research was producing superhuman results on AI optimization tasks and that Anthropic would support a verifiable pause on frontier AI development if other leading labs committed to the same[^c24]. This call for a coordinated industry pause generated significant debate given its proximity to Anthropic's IPO filing. On June 3, 2026, a successor model to Claude Mythos Preview tentatively named "Oceanus" was detected in Anthropic's systems and subsequently accessed through unauthorized proxy services, leading Anthropic to pause broader red team access[^c25]. On June 24, 2026, Anthropic disclosed the largest known AI distillation attack, alleging that operators linked to Alibaba and its Qwen AI lab created nearly 25,000 fake accounts generating over 28.8 million interactions with Claude[^c37].
Anthropic expanded its internal research and product development infrastructure through two new divisions. In January 2026, the company formally expanded [[companies/anthropic-labs|Labs]], an internal incubator co-led by Instagram co-founder Mike Krieger, responsible for incubating Claude Code, MCP, Claude Cowork, and Claude Design. In March 2026, the company launched the [[organizations/anthropic-institute|Anthropic Institute]], an internal think tank led by co-founder Jack Clark, studying AI's societal, economic, and legal implications. The company also established an enterprise services joint venture with Blackstone, Hellman & Friedman, and Goldman Sachs in May 2026[^c10]. In a significant engagement with moral and religious institutions, Anthropic co-founder Christopher Olah appeared alongside Pope Leo XIV at the Vatican in May 2026 for the presentation of "Magnifica Humanitas," the first papal encyclical devoted to artificial intelligence[^c21]. Anthropic has been involved in several significant disputes that tested the boundaries of its AI safety commitments, including a legal confrontation with the U.S. Department of Defense over restrictions against autonomous weapons use[^c6] and legal challenges over training data involving the scanning of physical books[^c7] and use of pirated materials[^c8]. In June 2026, geopolitical tensions around AI access intensified: JPMorganChase blocked Hong Kong-based employees from using Claude following a similar step by Goldman Sachs in April, and industry analysts described an emerging "fragmented AI world" with US-aligned, China-aligned, and hedging blocs[^c34]. The company also faced multiple service reliability challenges in the first half of 2026, with authentication failures, a sub-agent bug in Claude Code causing a global outage on June 2 — the day following its IPO filing — and a further multi-hour disruption on June 4[^c19][^c27]. Through these events, Anthropic became a central actor in the debate over how private AI companies balance safety principles with commercial and governmental demands.