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Story summary
- 2026 filings show Microsoft funded OpenAI despite doubting its 2018 roadmap to block Amazon.com.
- Emails reveal Microsoft CEO Satya Nadella and staff questioned OpenAI’s AGI prospects and need for five-times more compute.
- Azure billed OpenAI $0.24 GPU hour versus a $1.15 list price, causing a $15 million loss.
- Microsoft’s spend topped $13 billion after a $10 billion January 2023 round, granting Azure exclusive rights to models used in GitHub Copilot and Bing AI.
