ZenMux

A unified API gateway for accessing top AI models like GPT-4o, Gemini, and Claude with built-in performance insurance.

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zenmux.ai
Verified API available
Quick facts
What is it A unified API gateway for accessing top AI models like GPT-4o, Gemini, and Claude with built-in performance insurance.
Pricing Paid
Free tier No
Platform Web Application
API Yes
Best for building AI applications, comparing model performance
Domain registered 2025

Data updated Aug. 1, 2026

What does ZenMux do?

ZenMux is a single platform that gives developers and businesses streamlined access to a vast array of leading AI models. Instead of managing separate API keys and accounts for OpenAI, Google, Anthropic, and others, you can connect to them all through one unified gateway. It handles everything from text and chat models to image and video generation, offering both a graphical interface for testing and a fully compatible API for integration. It’s essentially a central hub that simplifies the complexity of using multiple AI services.

What truly sets ZenMux apart are its unique reliability features. Its standout offering is a built-in insurance policy that automatically compensates you with credits if a model delivers subpar results, like hallucinations, excessive latency, or low throughput. The platform also provides radical transparency through open-source, community-auditable benchmarks (Human Last Exam tests) so you can verify model quality. For developers, it offers enterprise-grade stability with automatic failover between providers to prevent downtime and a clever 'Model Auto Routing' feature that analyzes your prompt to select the best model for both cost and quality.

This tool is a powerhouse for developers building AI-powered applications, product teams that need to leverage multiple models without the operational headache, and businesses that require enterprise-level reliability and cost visibility. Use cases range from a startup building a chatbot that can seamlessly switch between AI backends to an enterprise optimizing its AI spend across different providers while guaranteeing a consistent quality of service for its customers.

#ai aggregator#api gateway#developer tools#enterprise ai#model comparison#multi-model api#performance-insurance

Key features

What makes it stand out
01
Single API access to top models from OpenAI, Google, Anthropic, and more
02
Automatic compensation for subpar model outputs like hallucinations or high latency
03
Open-source, auditable quality benchmarks (Human Last Exam tests) for every model
04
Multi-provider failover system ensures zero downtime if one service has issues
05
Model Auto Routing analyzes prompts to select the optimal model for cost and quality

Who is ZenMux for?

Who benefits most from this tool
building AI applications
comparing model performance
ensuring API reliability

Pricing

Pay-As-You-Go

Custom
  • varies_by_model image cost
  • varies_by_model prompt cost
  • varies_by_model request cost
  • varies_by_model completion cost
  • varies_by_model web search cost
  • varies_by_model input cache read cost
  • varies_by_model input cache write cost
  • varies_by_model internal reasoning cost
  • varies_by_model input cache write 1 h cost
  • varies_by_model input cache write 5 min cost
  • prompt processing
  • completion generation
  • image processing
  • API requests
  • web search functionality
  • cache read operations
  • cache write operations
  • internal reasoning computations

Trust & presence

Domain Domain registered 2025

Gallery

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