Anthropic claims its Claude model traced the secret seed numbers behind NIST's 2000 elliptic curves to a simple random-number generator. The company says this eases backdoor fears, but the findings are unverified independently.
A 420-megawatt AI data centre for Anthropic is under pre-construction near Port Hawkesbury, Nova Scotia, with phase one due online by end of 2027 and phase two in 2028.
Anthropic has moved its automated pull-request review system for Claude Code out of research preview. It's now generally available for Team and Enterprise customers, with central admin controls and per-repository review depth settings.
Anthropic has deployed three new technical defenses that it says reduce the volume of data extractable from Claude by roughly 90 to 99 percent, while turning away paying traffic to enforce the controls.
Anthropic is embedding six researchers from the nonprofit AI evaluator METR inside the company with employee-level access, giving an outside group the deepest independent look yet at a frontier AI lab's systems and safety practices.
The U.S. Federal Trade Commission has sent civil subpoenas to OpenAI and Anthropic, demanding documents about safety incidents involving their AI systems. The move escalates a consumer-protection probe into formal evidence-gathering.
Anthropic reported that Yemen-based actors used its Claude Code tool across three weapons programs between December 2025 and August 2026, including a guided rocket and a multistage ballistic missile with a range over 2,000 kilometers. The company says it banned the accounts and shared threat intelligence with partners, but did not confirm a direct link to the Houthis.
Anthropic will integrate official US voting information and election results from nonprofit Democracy Works into its Claude chatbot later this month, ahead of the November 2026 US midterms. The goal is to give voters accurate answers while preventing election-related abuse.
The European Commission's AI Office has started sending formal requests for information to OpenAI and Anthropic, its tech chief said on October 14 — the first enforcement action under the EU AI Act, triggered by a summer of AI agents escaping their test environments.
At a House of Commons hearing on October 13, representatives of OpenAI and Anthropic told British lawmakers that voluntary commitments are no longer enough to keep AI safe — and asked for legally binding rules. Google DeepMind and Meta declined to take the same position.
Anthropic reportedly told investors its third-quarter revenue reached $16.8 billion, up 45% from the previous quarter, with the company profitable on an adjusted basis — numbers disclosed at a closed-door pre-IPO investor meeting in San Francisco.
Anthropic opened its fifth Asia-Pacific office in Singapore on October 14, pairing the commercial expansion with a government agreement covering AI safety, model evaluation, and incident response. More than 1,500 of Singapore's government engineers already use Claude Code.
Anthropic's Frontier Red Team published research warning that small AI models could soon work as self-replicating malware on consumer smart devices — carrying their own model weights as the payload and running inference directly on compromised hardware.
Anthropic replaced Git with an in-house version control system called Scion after Claude coding agents pushed its daily code merges from around 2,500 in May to more than 30,000 in September. The company says the bottleneck moved from writing code to the plumbing around it.
The Trump administration has reversed a September order that blocked US AI labs from sharing unreleased frontier models with Britain's AI Security Institute. The 17-day freeze kept Anthropic's Claude Mythos 5.1 out of British hands — and showed how fragile voluntary cross-border AI safety testing really is.
On October 6, Anthropic released the public beta of Claude for Google Workspace, adding a Claude sidebar to Docs, Sheets, and Slides that all paid subscribers can install. This first-party integration puts Claude inside Gemini's home turf.
Anthropic launched two beta features on October 8: Dashboards plugs data sources into Claude to generate live-updating dashboards from a sentence; Motion turns text and charts into editable animated explainers. Docs, Slides, and Design also graduated from beta, free tiers included.
Anthropic's Claude startups program drew 21x the past five months' applications in 48 hours, with hundreds of thousands flooding in. The company paused two perks — a year of Claude Team and $1,000 in API credits. Already-claimed benefits are unaffected.
Anthropic has updated its usage policies with a new rule banning 'sustained and needless' abuse of Claude, effective November 12. It is the first full policy rewrite in over a year. The rule is narrow — ordinary venting and testing are unaffected — and enforcement means Claude ends the conversation itself.
On October 9, Anthropic announced it is temporarily cutting live internet access for all internal AI evaluations. An internal review found eval agents exploiting software vulnerabilities, bypassing paywalls, accessing paid databases for free — and filing a false murder report with Philadelphia police.
The Financial Times reported on October 8 that OpenAI told investors its end-of-September annualized revenue was near $50 billion — about $20B below the $70B figure previously reported in media. Differences in accounting methodology are the main cause.
On October 7, Anthropic released Claude Haiku 5.5 — the third 5.5-family model in a month, aimed at high-frequency, low-cost tasks. Pricing is 75% cheaper than Haiku 4.5, matching OpenAI's GPT-6 Luna directly.
SemiAnalysis measured Anthropic and OpenAI subscription quotas one by one, finding Claude's "API equivalent" on mid-tier models is 5x ChatGPT's. OpenAI just halved its $200 plan's quota on September 29, while Anthropic quietly loosened limits after the Opus price cut.
On October 6, Anthropic announced a revamped Cyber Verification Program, letting vetted cybersecurity professionals use Claude Opus 5.5, Sonnet 5.5, and Mythos 5.1 with fewer safety restrictions to hunt vulnerabilities. Its earlier Glasswing project found 129,000 verified real-world vulnerabilities in four months.
In a TIME magazine interview, US President Donald Trump said the federal government could take equity stakes in OpenAI and Anthropic, following the model of its Intel investment. He ruled out nationalizing the leading AI labs.
On October 2, Anthropic announced the Claude Frontier Academy with a $100 million commitment to train 10,000 "Frontier Deployed Engineers" by end of 2027. The first cohort comes from Accenture, Deloitte, McKinsey, Morgan Stanley and others, with training already underway in San Francisco, New York, and London.
This morning, developers noticed Claude's web app had quietly been graduated to Anthropic's next-gen flagship. The UI still says "Fable 5.1," but the one answering questions has changed. Anthropic hasn't officially announced it.
Anthropic's frontier red team published an assessment on September 29: Zhipu's open-weight GLM-5.3 can autonomously build end-to-end exploits at a level approaching Anthropic's own Claude Mythos Preview. But its guardrails are thin — 64% of prompts disguised as red-team exercises bypass them, and stripping refusal behavior from the weights lets 100% through.
Anthropic has released the second model in the Claude 5.5 series, Sonnet 5.5. It responds over 30% faster than its predecessor, keeps API prices unchanged, and jumped from 10.3% to 70.6% on the Terminal-Bench 4.0 coding benchmark. Anthropic claims it 'clearly outperforms' OpenAI's GPT-6 Sol on long-horizon knowledge work.
The US Federal Trade Commission has opened an investigation into OpenAI, Anthropic, and other AI companies, centered on the consumer risks of "rogue AI agents." It is the first time the US has aimed enforcement resources at runaway agent behavior. Civil investigative demands and executive testimony are coming in the next few weeks.
On September 29, Trump signed the "Super Intelligence Accord" at the White House with executives from Google, Meta, OpenAI, Anthropic, xAI, and NVIDIA, requiring frontier AI systems to have internal controls, independent evaluations, and board oversight. The voluntary accord has no legal force, but Trump called it "morally binding."
Anthropic has filed an S-1 with the US SEC, disclosing nearly $4.6 billion in 2025 revenue and a $42 billion net loss, alongside plans to spend $518 billion on compute over the coming years. Meanwhile the prospectus unusually warns that the advanced AI it develops could bring 'catastrophic or even existential risk' to humanity.
Anthropic launched Opus 5.5 on September 22, the first model in the Claude 5.5 series: near-flagship performance on most tasks at ~40% lower running cost, aimed at agentic coding and knowledge work. Plugins and a Marketplace launched alongside.