AssemblyAI LLM Gateway vs. OpenRouter vs. LLM Gateway.io: Pricing, security, and reliability compared

Short summary

Detailed comparison of three production LLM gateways: AssemblyAI excels at predictable pricing and voice workloads; OpenRouter offers breadth with 300+ models; LLM Gateway.io enables self-hosted control at operational cost. Choose based on workload: voice agents, general-purpose apps, or strict deployment requirements.

• •AssemblyAI: no markup over model rates, unified billing with transcription, fallback routing optimized for voice
• •OpenRouter: 300+ model marketplace, per-token markup, best for long-tail open-source and model flexibility
• •LLM Gateway.io: self-hosted with full infrastructure control, free open-source tier, requires ops overhead

Generated with AI, which can make mistakes.