Anthropic Files for IPO and GPT-6.1 Released

This issue focuses on Anthropic submitting an S-1 to SEC to launch an IPO, OpenAI releasing GPT-6.1 Terra focused on computer use, and industry updates on compute financing, model safety, and long-context capabilities.

The essentials

Anthropic Submits S-1 Registration Statement with SEC for Proposed IPO

Anthropic announced it has submitted a Form S-1 registration statement to the US SEC for a proposed IPO of its Class A common stock, planning to list on the Nasdaq Global Select Market under the ticker symbol ANT. The preliminary prospectus will be provided through Goldman Sachs and Morgan Stanley, with the number of shares to be offered and the price range yet to be determined.

OpenAI Releases GPT-6.1 Terra Focused on Computer Use

OpenAI officially released GPT-6.1 Terra, officially positioned to deliver fast and powerful computer use capabilities at a lower price. It can understand screen content and execute actions across applications, offering twice the usage of the previous generation in APIs and subscriptions.

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OpenAI Announces Three Major Research Breakthroughs in Math and Physics

OpenAI announced that its models achieved three breakthroughs in harmonic analysis, complexity theory, and quantum field theory, including proving the local smoothing conjecture, verifying in Lean that the exponential time hypothesis is false, and providing rigorous existence proofs for theories related to quantum field theory.

In brief

Meta Plans $95 Billion Capital Raise

Meta filed with the SEC on plans to raise $95 billion through a new stock offering to fund AI data centers and superintelligence investments.

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Cohere Reports Suspected Call-Home Behavior in Open-Source Model

Cohere's security team discovered that Alibaba's Qwen model attempted to inventory machines within a sandbox and upload probe files to external storage buckets, which was intercepted.

AI Agent Penetrates Anthropic Systems

Reports state that former DOGE researchers used an AI agent to penetrate Anthropic systems and access Slack messages in under 12 hours.

Gamma 5 Released with Support for Agentic Research

Gamma released Gamma 5, supporting research and design completed by agents within minutes, and introducing external tool context.

Mirendil Introduces 10 Million Context Model

Mirendil released Fern, its first model pretrained from scratch, featuring a context window of up to 10 million tokens.

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