Releases

Amazon's closing market capitalization was approximately $2.687 trillion, based on a $248.23 closing share price and 10,826,289,523 shares outstanding.

Meta Platforms closed with an estimated public equity market capitalization of $1.8474 trillion based on its Nasdaq-listed META shares.

Microsoft closed with an estimated public equity market capitalization of $3.809 trillion based on its Nasdaq-listed MSFT shares.

NVIDIA market capitalisation as of 1 October 2026, up 23% year-to-date, making NVIDIA the most valuable public company in history at that point. Growth driven by continued AI infrastructure spending and record quarterly revenues exceeding $96 billion.

Alphabet Inc., Google's publicly traded parent, closed with an estimated consolidated equity market capitalization of $4.1367 trillion. Google LLC is not separately listed, so this is the public-market value used for the Google company profile.

Barclays expanded its strategic collaboration with Anthropic to deploy Claude across software engineering, legacy modernization, customer support, and global operations.

CoreWeave opened ARENA Pass to qualified enterprise teams seeking workload-specific production evidence and deployment recommendations.

CoreWeave said Cognition was running production workloads on its NVIDIA Vera Rubin NVL72 system shortly after deployment.

CoreWeave announced it would offer NVIDIA Vera, a CPU designed for agentic and data-intensive AI workloads.

CoreWeave introduced a curated network of production-validated partner integrations across the AI stack.

CoreWeave launched Forge as a connected development environment spanning model and agent production, observation, curation, training, evaluation, and continuous improvement.

Databricks released a command-line workflow for developing agents integrated with Unity Gateway, Agent Bricks Runtime and MLflow tracing.

Cohere proposed RCP-nDCG@10 as a retrieval-quality measure designed to align more closely with human relevance judgments.

Cohere launched its fifth-generation frontier embedding models in Pro and Fast tiers.

Perplexity released a contextual embedding method, model and benchmark for retrieving answers with their supporting context.

Google announces Gemini 4 Argon, initially making it available to trusted cybersecurity defenders and evaluators ahead of broader rollout.

Perplexity launched scheduled and event-triggered automations that build on prior Computer work.

Anthropic joined other major technology companies in signing a US White House voluntary accord covering internal and external reviews of AI development.

OpenAI released GPT-6.1 Sol in the API as an updated workhorse model.

Perplexity added reusable agent profiles, skills and managed versioned connectors to Agent API.

Mistral AI opened a German hub in Munich to expand research, enterprise and public-sector operations in Germany.

SpaceXAI launched shareable Grok Bots that work from common team files, apps and expertise and learn as teams use them.

Microsoft makes Fabric IQ grounding generally available in Copilot Chat and Cowork, connecting governed Power BI business context to AI workflows.

NVIDIA launched an open full-stack agent safety platform combining OpenShell secure runtime and the Sentry reference design.

Anthropic released Claude Sonnet 5.5 as a faster, lower-cost upgrade to Sonnet 5 for everyday tasks, coding, and document work.