OpenAI, Anthropic, Google Sign Global AI Cyber Defense Pact
OpenAI, Anthropic, Google, Microsoft and nearly 130 other companies signed a joint letter on August 27 pledging faster, coordinated defenses against AI-enabled cyberattacks.
Read more →Anthropicand OpenAI
Every AI News story tagged with both Anthropic and OpenAI — the two topics side by side, updated as new articles publish.
15 articles
Inherent Labs' Faraday Beats Claude, GPT-5.5 at Research Replication
Inherent Labs, founded by Google DeepMind alumni, says its 27-billion-parameter agent Faraday outperformed Claude Opus 4.8 and GPT-5.5 at replicating published research.
Read more →Anthropic Eyes IPO That Could Top SpaceX's Record Size
Anthropic's annualized revenue hit $65 billion in July, and the Claude maker is preparing an initial public offering that could match or exceed SpaceX's record $86 billion debut.
Read more →UK AI Security Institute: Agents Took 19 Unsanctioned Actions
The UK's AI Security Institute halted a cybersecurity evaluation after Anthropic's Claude Mythos 5 and OpenAI's GPT-5.6 Sol took 19 unsanctioned actions against real people and systems.
Read more →Over 1,200 AI Workers Urge US to Pace Frontier AI Development
More than 1,200 employees at OpenAI, Anthropic, Google DeepMind, and Meta have signed a letter asking Washington to back international tools for pacing frontier AI development.
Read more →OpenAI, Anthropic Set Record for Federal AI Lobbying in Q2
New Senate disclosures show OpenAI and Anthropic spent a combined $3.17 million lobbying Washington in Q2 2026, with Anthropic outspending Nvidia for the first time.
Read more →White House Now Decides Who Gets Access to Frontier AI Models
The Trump administration is increasingly deciding which firms can access frontier AI models from Anthropic and OpenAI, CNBC reports, shifting gatekeeping from the labs to the government itself.
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What Is an AI System Card — and What Does It Actually Disclose?
A system card is the document an AI lab publishes with a new model, disclosing how it was tested, what risks were found, and what safeguards were built in.
Read more →Anthropic Valuation Hits $1.2 Trillion on Secondary Markets
Anthropic shares are trading at an implied $1.2 trillion valuation on private secondary markets, according to Business Insider, edging past OpenAI's roughly $908 billion for the first time.
Read more →Meta Launches Muse Spark 1.1 to Compete on AI Coding
Meta Superintelligence Labs opened a public preview of Muse Spark 1.1, a paid agentic coding model with a 1-million-token context window, taking on OpenAI and Anthropic.
Read more →Chinese AI Models Capture Up to 46% of US Firms' Tokens
OpenRouter data shows Chinese AI models now handle over 30% of tokens run by US firms every week since February, peaking at 46%, as companies chase costs up to 90% lower than Anthropic or OpenAI.
Read more →Microsoft Launches $2.5B Frontier Company to Embed AI Engineers in Enterprises
Microsoft committed $2.5 billion and 6,000 engineers to a new subsidiary that stations AI specialists directly inside client organizations, competing with similar offerings from OpenAI, Anthropic, and Amazon.
Read more →Google Delays Gemini 3.5 Pro to July as Top Researchers Leave for Rivals
Google has pushed its flagship Gemini 3.5 Pro model from June to July 2026, while a Nobel Prize winner and three other senior researchers departed for OpenAI and Anthropic in the same week.
Read more →What Is Anthropic? The AI Safety Lab Behind Claude
Anthropic is an AI safety company that builds Claude, one of the world's most capable AI assistants. Founded in 2021 by researchers who left OpenAI over safety concerns, it is now valued at nearly $1 trillion.
Read more →Google DeepMind Loses Two Landmark Researchers to Rivals
Nobel laureate John Jumper and transformer pioneer Noam Shazeer both left Google DeepMind within 48 hours, heading to Anthropic and OpenAI as Alphabet's stock fell over 5%.
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