LLM Gateway and AI Proxy 2026: Portkey, Helicone, OpenRouter, LiteLLM, Cloudflare AI Gateway and Vercel AI Gateway Compared for Swiss LLM Stacks
Portkey, Helicone, OpenRouter, LiteLLM, Cloudflare AI Gateway and Vercel AI Gateway in a deep comparison for Swiss LLM stacks. 26-42% cost reduction, failover latency, FINMA / revDSG compliance, multi-provider routing and self-hosted options — based on 19 production mazdek LLM gateway mandates and over 14 billion tokens 2024-2026.