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# The Signal: Tech Giants Burn Billions While Scrambling to Secure AI
- URL: https://wire.fourthweb.ai/the-signal-tech-giants-burn-billions-while-scrambling-to-secure-ai/
- Published: 2026-09-03T22:01:30.000Z
- Updated: 2026-09-04T01:01:07.000Z
- Description: Tech giants are lighting cash on fire in the AI arms race. OpenAI hands aging hospitals GPT-5 cyber tools, Figure drops startup-level money on compute alone, and Perplexity hits a $14 billion valuation despite burning through its business model.
- Author: Travis Wright
- Tags: daily-signal

Tech giants are lighting cash on fire in the AI arms race. OpenAI hands aging hospitals GPT-5 cyber tools, Figure drops startup-level money on compute alone, and Perplexity hits a $14 billion valuation despite burning through its business model.

*September 3, 2026 — 683 words / \~4.6 min*

### Stories covered:

1. [OpenAI Gives Hospitals Running Windows 2012 GPT-5 Cyberdefense Tools](https://wire.fourthweb.ai/openai-gives-hospitals-running-windows-2012-gpt-5-cyberdefense-tools/)
2. [Figure Just Spent More on AI Compute Than Most Startups Raise](https://wire.fourthweb.ai/figure-just-spent-more-on-ai-compute-than-most-startups-raise/)
3. [Perplexity Just Hit $14B While Its Business Model Burns](https://wire.fourthweb.ai/perplexity-just-hit-14b-while-its-business-model-burns/)