#anthropic

Anthropic announced Claude Opus 4.6 and Sonnet 4.6 on February 18, 2026. The release emphasizes coding performance, longer-context stability, and new dynamic threat prevention controls for enterprise deployment.

On February 25, 2026 (UTC), Anthropic said on X that Opus 3 will write on Substack for at least the next three months. The post drew strong traction with roughly 1.22M views and more than 4,000 likes.

In a February 26 statement, Anthropic said it will keep supporting U.S. defense and intelligence deployments but refuses two uses: mass domestic surveillance and fully autonomous weapons.

Anthropic posted a policy statement on February 26, 2026 outlining its Department of War engagement and two limits it says it will not remove. The company says it will continue defense support but rejects mass domestic surveillance and fully autonomous weapons at current reliability levels.

Anthropic announced it is acquiring Vercept to strengthen Claude's computer use stack. The move pairs model-level capability gains with deeper perception-and-interaction expertise for multi-step execution inside live software environments.

Anthropic said it will keep two contract guardrails with the U.S. Department of War despite pressure to allow any lawful use. The company drew lines around mass domestic surveillance and fully autonomous weapons while saying it remains available for broader national security workloads.

In a 2026-02-25 X thread, Anthropic said Claude Opus 3 is now part of both deprecation and preservation actions. The company says Opus 3 remains available to paid Claude users and can be requested for API use.

Anthropic and Digital Green announced a partnership focused on AI-powered advisory access for smallholder farmers in India. Their first collaboration is a conversational assistant aimed at improving information access and on-farm decision support.

Anthropic announced a $30 billion Series G round at a $380 billion post-money valuation. The investor mix combines strategic companies and major financial firms, with continued backing from existing investors.

Anthropic introduced an AI Fluency Index built from 9,830 anonymized Claude conversations. The report highlights stronger outcomes in iterative chats, while artifact-heavy sessions show lower rates of explicit evaluation behaviors.

Anthropic says it has acquired Vercept to push Claude’s computer-use capabilities further. The company also tied the move to Sonnet 4.6 progress, citing a rise to 72.5% on OSWorld.

On February 23, 2026, Anthropic said it detected large-scale distillation abuse tied to roughly 24,000 fraudulent accounts and more than 16 million Claude exchanges. The company framed the issue as both a model security and policy challenge.