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Lean

Every story tagged Lean on AI Chat Daily.

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Models

OpenAI's Astra model solves 10 long-open math problems for $2,000 in tokens

The unreleased model cracked problems that had eluded mathematicians for decades — and set off a credit dispute with the researchers whose work it built on.

Jaeden Schafer5 min read
Pramaana Labs raises $27M to bolt formal verification onto LLMs
Business

Pramaana Labs raises $27M to bolt formal verification onto LLMs

Khosla-led seed funds a startup using the LEAN proof language to make AI reliable enough for tax law, drug discovery, and cybersecurity.

Jaeden Schafer5 min read
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