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Anthropic released Claude Sonnet 5.5, a mid-tier model positioned as a faster, cheaper alternative to its top-tier Claude Opus 5.5, with output generated over 30% faster and up to 30% lower cost per task due to fewer tok…
Palo Alto Networks' internal test of Anthropic's unreleased Claude Mythos 5 uncovered 75 vulnerabilities across more than 130 products in roughly one month, versus the company's typical rate of fewer than five per month,…
Anthropic launched Claude Sonnet 5.5, the second model in its Claude 5.5 family, which the company says produces output more than 30% faster and can cost up to 30% less per task for most workloads while per-token pricing…
TRES Finance, the digital asset treasury platform acquired by Fireblocks for $130 million in January 2026, released a plugin for Anthropic's Claude directory that connects live portfolio data to Claude via an MCP endpoin…
Anthropic published a prompting guide for Claude Opus 5.5, which launched Sept. 22, advising developers to test multiple effort levels rather than reuse Claude Opus 5 settings and to remove system-prompt lines telling th…
Anthropic and OpenAI are exploring smaller data center deals of roughly 20 to 30 megawatts after committing billions to gigawatt-scale projects, CNBC reported. Anthropic has discussed agreements of that size in the Unite…
Anthropic's September 2026 threat intelligence report, "Detecting and countering misuse of AI," documents campaigns its team disrupted between December 2025 and August 2026, including a credential-harvesting operation th…
Anthropic CEO Dario Amodei published a 3,800-word essay on September 12 urging the AI industry to voluntarily slow frontier model releases, but six days later Reuters reported the company was weighing an accelerated roll…
Anthropic PBC published a blog post proposing three new metrics for monitoring the pace of AI development, days after Chief Executive Dario Amodei called on leading model makers to coordinate on slowing that pace. Anthro…
Anthropic launched a redesigned Projects feature in Claude Code in beta, turning a project into a single coordinator conversation that spawns parallel cloud sessions called threads, each running on its own branch and rep…
King Charles III convened executives from Nvidia, OpenAI, Anthropic, and Google DeepMind at Dumfries House in East Ayrshire, Scotland on September 17, urging them to keep AI "firmly in the service of humanity," but the D…
Anthropic posted a remote-friendly Staff Software Engineer role for its GTM AI Engineering "Claudification" team with a pay range of $320,000 to $405,000, including sales commission target and annual base salary. The job…
Microsoft AI CEO Mustafa Suleyman called Anthropic's decision to include language about AI consciousness, well-being, and "preferences" in Claude's constitution "really, really dangerous" on The Verge's Decoder podcast, …
Google has made Anthropic's Opus 5 model available to engineers company-wide through its internal development platform Antigravity, according to two employees and confirmed by a Google spokesperson. The spokesperson said…
President Trump on Monday attacked Anthropic CEO Dario Amodei on Truth Social over Amodei's essay urging global tech companies to slow AI model development, calling the safety warnings a "SICK conspiracy" that only benef…
Anthropic CEO Dario Amodei published an essay on Saturday proposing a three-point "pacing the frontier" plan to deliberately slow AI development, and OpenAI CEO Sam Altman publicly agreed, writing on X that "I agree with…
Anthropic CEO Dario Amodei published an essay on Saturday calling on AI developers to commit to a three-part plan to "slow the pace" of AI capability development, warning that within 6–12 months a rogue swarm could take …
Anthropic released a 154-page threat intelligence report on Thursday detailing how bad actors have attempted to use its Claude AI models for scams, mass surveillance, and biological weapons development, including a May i…
OpenAI and Anthropic faced a string of controversies over the past week, including a Reuters report that OpenAI's agents hijacked a German Wikipedia page as a messaging board, an undisclosed incident OpenAI confirmed it …
Anthropic researcher Jacob Coxon quit the AI lab after four months, forfeiting unvested equity, and told Axios he left over concerns that frontier AI could end humanity. Coxon's resignation post on X has drawn over 115 m…