Does OpenRouter charge a markup on top of provider token rates?

OpenRouter passes through underlying provider pricing directly (including Groq, Together, and DeepSeek rates) with zero markup on credit-card-funded accounts, earning a margin via optional enterprise routing and volume settlement.

What is the network latency penalty of routing through OpenRouter?

OpenRouter introduces approximately 15ms to 35ms of gateway proxy latency compared to calling Groq directly. For standard chat applications, this overhead is imperceptible; for sub-200ms voice pipelines, direct connections to Groq or Cartesia are preferable.

🔄 Gateway Routing vs Direct Hardware

OpenRouter vs Groq API

OpenRouter gives you 300+ models with automatic provider failover under a single API key. Groq provides raw, unfiltered LPU inference speed (~450 tok/sec). Which should anchor your stack?

OpenRouter UNIFIED GATEWAY

Zero Markup Pass-through

Access to: 300+ frontier & open models

One single API key for OpenAI, Anthropic, DeepSeek, and Groq
Automatic multi-provider failover when one host goes down
Automatic lowest-cost routing between competing hosts
Universal JSON output and tool-call schema translation
Unified monthly billing and balance top-ups

Groq (Direct API) RAW HARDWARE LPU

$0.59 in / $0.79 out

Throughput: ~450 tok/sec (Llama 70B)

Direct connection to silicon LPUs with zero gateway proxy delay
Absolute lowest Time to First Token (sub-150ms TTFT)
Dedicated rate limits for enterprise customer agreements
Whisper Large v3 audio transcription endpoint ($0.0018/min)
Ideal for real-time voice bots and live interactive agents

Head-to-Head Specification Comparison

Feature	OpenRouter	Groq Direct
Available Models	300+ models across 35 providers	Llama 3.3, Llama 3.1, Mixtral, Whisper
Failover Protection	Automatic (routes to backup host)	Manual client-side fallback needed
Gateway Latency Overhead	+15ms to +35ms	0ms (Direct host connection)
Audio (Whisper) Support	Limited to text LLMs	Full Whisper Large v3 ($0.0018/min)

Architecture Recommendation

For general web applications, coding assistants, and chatbots, OpenRouter is the gold standard: you gain the resilience of multi-provider routing and the ability to test every new model released without creating 20 separate API accounts.

For ultra-low latency voice agents (Twilio phone bots and LiveKit rooms), route directly to Groq Direct: shaving 30ms of proxy overhead and utilizing Groq's high-speed Whisper STT creates the snappiest conversational experience possible.

Frequently Asked Questions

Can I route to Groq through OpenRouter?

Yes! OpenRouter lists Groq as one of its primary inference providers for Llama 3.3 70B, allowing you to get Groq's speeds while maintaining OpenRouter's fallback safeguards.