1. OpenAI Confidentially Files for IPO With the SEC
    Technology

    OpenAI Confidentially Files for IPO With the SEC

    OpenAI says it has confidentially filed a draft S-1 with the SEC for an IPO, one week after rival Anthropic — though the company says it has not decided on timing for a public debut.

    ·2 min read
  2. Anthropic Confidentially Files Draft IPO Prospectus With the SEC
    Technology

    Anthropic Confidentially Files Draft IPO Prospectus With the SEC

    Anthropic confidentially filed a draft S-1 with the SEC on June 1 for a proposed IPO — days after a $65 billion Series H valued it at $965 billion and passed OpenAI as the most valuable AI startup.

    ·2 min read
  3. Anthropic Closes $65 Billion Series H at $965 Billion Valuation, Passing OpenAI
    Technology

    Anthropic Closes $65 Billion Series H at $965 Billion Valuation, Passing OpenAI

    Anthropic closed a $65 billion Series H at a $965 billion post-money valuation, passing OpenAI's reported $852 billion to become the most valuable AI startup, with run-rate revenue above $47 billion.

    ·2 min read
  4. Anthropic Agrees to a $30 Billion Round at $900 Billion Pre-Money Valuation, FT Reports
    Technology

    Anthropic Agrees to a $30 Billion Round at $900 Billion Pre-Money Valuation, FT Reports

    Sequoia, Dragoneer, Altimeter, and Greenoaks each writing $2B checks. The pre-money mark is 2.6x Anthropic's February Series G and pushes past OpenAI's $852B. Closing expected this week.

    ·2 min read
  5. Claude Memory Files interface screenshot
    Technology

    Anthropic Tests Dual-Mode Memory Files Architecture for Claude

    A new "Memory Files" option in testing would let Claude store what it learns about a user across multiple structured documents — a personal wiki the model can consult selectively — alongside the existing single-note Classic memory.

    ·2 min read
  6. Andrej Karpathy Joins Anthropic's Pre-Training Research Team
    Technology

    Andrej Karpathy Joins Anthropic's Pre-Training Research Team

    OpenAI co-founder Andrej Karpathy has joined Anthropic's pre-training team under Nick Joseph, where he will lead a group using Claude to accelerate pre-training research.

    ·2 min read
  7. Anthropic Nears $300M+ Acquisition of Developer Tools Startup Stainless
    Technology

    Anthropic Nears $300M+ Acquisition of Developer Tools Startup Stainless

    Anthropic is in advanced talks to buy SDK-generation startup Stainless for at least $300 million — a deal that would take out a key developer-tools supplier to OpenAI and Google in the same stroke.

    ·3 min read
  8. Anthropic Rents Entire 300MW, 220,000-GPU Colossus 1 Data Center From SpaceX
    Technology

    Anthropic Rents Entire 300MW, 220,000-GPU Colossus 1 Data Center From SpaceX

    Anthropic signed a deal on May 6 to take over the full 300MW, 220,000-GPU capacity of SpaceX's Colossus 1 data center in Memphis. Musk owns the rival lab. He took the check anyway. Claude Code rate limits already doubled.

    ·2 min read
  9. Anthropic Hits $30B ARR in April 2026, Surpassing OpenAI's $24B for the First Time
    Technology

    Anthropic Hits $30B ARR in April 2026, Surpassing OpenAI's $24B for the First Time

    Anthropic's enterprise-first model just closed a 30x revenue gap on OpenAI in 15 months — and projects to spend roughly a quarter as much on training to do it.

    ·2 min read
  10. OpenAI Just Hit $25 Billion in Annualized Revenue
    Technology

    OpenAI Just Hit $25 Billion in Annualized Revenue

    OpenAI is at $25B in annualized revenue with a public listing being framed at up to a $1 trillion valuation. Anthropic is at $19B and growing 10x year-over-year. The AI capital cycle has officially crossed into public-market territory.

    ·3 min read
  11. Anthropic Is Ending Subscription Access for Claude Code in Third-Party Tools
    Technology

    Anthropic Is Ending Subscription Access for Claude Code in Third-Party Tools

    Starting April 4, 2026, Anthropic subscription limits no longer apply to Claude Code running through third-party harnesses like OpenClaw—with more tools expected to be cut off shortly after.

    ·1 min read
  12. Anthropic Shipped 512,000 Lines of Source Code Inside a Claude Package by Mistake
    Technology

    Anthropic Shipped 512,000 Lines of Source Code Inside a Claude Package by Mistake

    Security researcher Chaofan Shou found ~2,000 source files hiding inside a Claude Code release package. It's the second accidental exposure Anthropic has confirmed in the same week.

    ·1 min read