§ The Ledger
A durable historical record of AI.
An open-source ledger of AI history: events, threads, controversies, and the revisions that reinterpret them. Every claim is sourced and contestable.
Curator's note. This ledger treats AI as history in the making, not a running news cycle. Every entry is sourced, dated, and contestable; where the record changes, the history stays visible.
209 entries · 16 threads · 5 controversies · 129 actors · updated
Today's featured entry
OpenAI Raises $122B at $852B Valuation — Largest Private Fundraise in History
OpenAI closed a $122 billion funding round at an $852 billion post-money valuation — the largest private fundraise in history, nearly tripling its $300 billion valuation from twelve months prior. Amazon committed $50 billion (with $35 billion contingent on IPO or AGI), Nvidia committed $30 billion, and SoftBank…
Continue reading →Recent entries
- Anthropic Releases Claude Fable 5, First Public Mythos-Class Model Notable
- Anthropic Discloses and Reverses Covert Capability Degradation for Frontier AI Research Requests in Claude Fable 5 Notable
- Apple Announces Rebuilt Siri AI and Google Gemini Partnership at WWDC 2026 Notable
- NVIDIA and SK hynix Sign Multiyear Partnership to Co-Develop AI Memory Notable
- Trump Signs NSPM-11 Directing Military and Intelligence Agencies to Accelerate AI Adoption Notable
- House Lawmakers Release Great American AI Act Discussion Draft with Three-Year State Preemption Notable
- Anthropic Publishes Call for Verifiable Mechanism to Pause Frontier AI Development Notable
- DeepSeek Accepts First External Capital in $7.4 Billion Round Led by Founder and Tencent Notable
- Trump Signs AI Cybersecurity Executive Order with Voluntary 30-Day Pre-Release Review Notable
- Anthropic Expands Project Glasswing to 150 New Organizations Across Critical Infrastructure Sectors Notable
Ongoing threads
- The Scaling Laws Debate: Will Bigger Always Mean Better?
- Do the scaling laws that have driven AI progress — more compute, more data, bigger models producing predictably better results — continue to hold, or are we approaching fundamental limits?
- Open vs. Closed Weights: The Battle for AI's Architecture
- Should the weights of powerful AI models be openly released, and does the balance of risks and benefits change as models become more capable?
- The AI Copyright Wars
- Does training AI models on copyrighted material constitute fair use, and who should capture the economic value created by generative AI built on others' creative work?
- AI Governance Evolution
- How are governments and international bodies racing to regulate frontier AI — and how are competitive pressures already bending those rules back toward permissiveness?
Contribute
The Ledger is open source and improves through careful contribution. Submit a source tip, challenge a claim, or propose a thread — the constitution is in the repo.