vLLM Runs on 500K GPUs at Any Moment: a16z Talks Open Model Production with Simon Mo
woosuk_k · x · 2026-08-07
a16z released a deep-dive podcast with Simon Mo, lead maintainer of vLLM and co-founder of Inferact.
- Open Source Infra: vLLM currently runs on over 500,000 GPUs at any given moment, establishing itself as critical infrastructure for open models.
- Production Challenges: Explored the engineering efforts required to run open models in production and the advantages of customization and cost.
- Industry Topics: Discussed the drama behind day-zero model releases, why open model licenses are changing, and the potential impact of drastically cheaper GPUs.
- Ecosystem Origins: Shared origin stories of popular open-source projects like vLLM, OpenRouter, and Ollama.
Related event: a16z Talks vLLM: Powering 500,000 GPUs(3 posts)→
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