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TechnologyAmazon CEO Reportedly Flagged Anthropic's Fable 5 to US Officials Before Model Ban
Amazon CEO Andy Jassy reportedly told Treasury officials that Amazon researchers used Anthropic's Claude Fable 5 to gather cyberattack information — days before the government banned the model. Amazon is one of Anthropic's largest investors.
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TechnologyAnthropic Disables Claude Fable 5 and Mythos 5 After US Export-Control Order
Anthropic disabled its most advanced models, Claude Fable 5 and Mythos 5, for all customers on June 12 to comply with a US Commerce Department order restricting foreign access. Anthropic calls it a misunderstanding and is working to restore access.
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TechnologyAnthropic Launches Claude Fable 5 and Mythos 5 at $10 and $50 per Million Tokens
Anthropic launched Claude Fable 5 and the restricted-access Claude Mythos 5 on June 9, pricing the API at $10 per million input and $50 per million output tokens and claiming state-of-the-art results across coding, finance, and biology work.
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TechnologyOpenAI 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.
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TechnologyAnthropic 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.
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TechnologyAnthropic 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.
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TechnologyAnthropic 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.
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TechnologyAnthropic 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.
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TechnologyAndrej 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.
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TechnologyAnthropic 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.
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TechnologyAnthropic 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.
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TechnologyAnthropic 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.