EU LLM Hosting Playbook: Cost‑Smart Strategies for CTOs Scaling GenAI
Introduction
A fast-growing AI sales tech startup recently secured funding. Their product — an AI-powered outbound calling platform for mortgage negotiations — was gaining serious traction with finance clients.
Why It Matters for Fast‑Growing Companies
The Four EU Hosting Archetypes (Framework)
Cost Mechanics Deep Dive
At full throttle a single A100‑80 GB pushes ≈6.5 M tokens per hour. Blend that with EU hourly GPU rates and you get the €/token curves:
Q1. What is the cheapest way to host an LLM in the EU?
A1. Spot GPU pools during off-peak hours often give the lowest €/token—if your workloads can run in batches.
Q2. Does serverless GPU hosting meet GDPR?
A2. Only if the provider’s datacenter and all sub-processors are inside the EEA, and you have a Data Processing Agreement (DPA) in place.
Q3. How many tokens per second can Mistral-7B serve on an A100?
A3. Around 1 800 tokens per second using vLLM with KV cache enabled.
Q4. When should I buy my own GPUs?
A4. If your LLM workload keeps hardware above 70 % utilisation and you need strict data residency or full fine-tune control.
Q5. Are managed APIs slower than self-hosted?
A5. Not by much (<50 ms latency difference for EU endpoints), but watch for throughput caps and rate limits.
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