Originally published on rohitraj.tech
A build-focused guide to self-hosting Google\'s DiffusionGemma: the exact vLLM serve command, what each diffusion flag does, how to call it like an OpenAI endpoint, and how to tune the speed-vs-quality trade-off on an RTX 5090 or H100.
Read the full version with code samples, diagrams, and architecture details: How to Run DiffusionGemma Locally: A vLLM Serving Guide for RTX 5090 and H100 (2026)
More engineering notes: rohitraj.tech/en/notes
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