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RouteMux: A Reliability-First AI Gateway with Pay-as-you-Go Billing
Nov 7, 2026
RouteMux connects multiple AI model providers through one API key and endpoint, with redundant upstream routes and success-only billing. Prepaid pay-as-you-go starts at $10.
Artificial intelligenceDeveloper toolsAI gatewayAPI routingpay-as-you-go
RouteMux is a reliability-first AI gateway for developers and small engineering teams already calling AI APIs. One API key and endpoint reach models from OpenAI (GPT), Anthropic (Claude), Google (Gemini), xAI (Grok), Meta (Muse Spark), DeepSeek, Alibaba (Qwen), Moonshot (Kimi), Zhipu (GLM), and MiniMax.
The gateway supports OpenAI Chat Completions and Responses, Anthropic Messages, and Google Vertex. Requests run over redundant upstream routes, and failed requests and timeouts are not charged.
It uses a prepaid USD wallet with pay-as-you-go billing, starting at $10. There is no subscription, seat fee, or monthly minimum.
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