
Top stories today:
- Anthropic files confidentially for IPO, eyes public debut this fall
- Alphabet targets $80B raise to fund AI spending
- OpenAI brings frontier models, Codex to AWS Bedrock
- Anthropicās Mythos found 24+ critical bugs using $1M+ in tokens
0. Data and calendar

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Listen to our AI-generated podcast summarizing todayās newsletter (beware of hallucinations):
1. Anthropic files confidentially for IPO, eyes public debut this fall
Anthropicās valuation reached $965B in its latest funding round last week, surpassing OpenAIās $852B:

Anthropic joins SpaceX and OpenAI in pursuing public listings in 2026.
Anthropic is the youngest and fastest-growing of the three companies.
TBD: timing and size of the IPO.
SpaceX, Anthropic, and OpenAI IPOs could add up to $4T in market value to U.S. equities within months.
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3. Alphabet targets $80B raise through equity offerings to fund AI spending

Berkshireās $10B investment is part of the financing package.
One of the largest equity raises of all time.
Rare for a public company to raise this much equity.
Alphabet stock is +123% over the past 12 months
Growing demand for Alphabetās homegrown AI chips helped drive the new raise.
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