ZenMux
AI AssistantFreemium
ZenMux AI unifies 100+ leading AI models through one account, one API, and developer-friendly routing.
Last updated May 11, 2026
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What is ZenMux?
ZenMux's Top Features
Key capabilities that make ZenMux stand out.
100+ AI models from official providers and authorized cloud partners
Single account, single API, and single protocol
Supports text, chat, coding, image generation, and video generation
Automatic model routing for quality-cost optimization
Pay-as-you-go API pricing
Builder Plan subscription pricing
AI Insurance for poor output quality coverage
Cost visibility dashboards for tokens, requests, and spend
Multi-provider failover and enterprise-grade stability
Integrations with ClaudeCode, Codex, and OpenClaw
Studio Chat and unified platform management
Google Vertex AI-style API compatibility
Use Cases
Who benefits most from this tool.
Developers
Use a single API to access 100+ AI models without managing multiple providers, keys, or proxies.
AI product teams
Route requests automatically to cost-effective, high-performing models based on the task.
Startups
Choose pay-as-you-go pricing to scale model usage without committing to a heavy upfront contract.
Teams with budget controls
Track token and request spend with cost visibility dashboards.
Builders who want predictable spend
Use the Builder Plan subscription for fixed monthly pricing.
Engineering teams
Integrate ZenMux AI with ClaudeCode, Codex, and OpenClaw in existing workflows.
Prompt engineers
Test and compare models through unified access and automatic routing.
Creatives
Generate images and videos from the same platform used for chat and text generation.
Coding agents users
Use coding-focused models and tool-calling workflows for autonomous programming.
Reliability-focused buyers
Use multi-provider failover and AI Insurance for better operational confidence.
Tags
AI platformunified APImodel routingdeveloper toolsmulti-provider failoverbillingchatimage generationvideo generation
ZenMux's Pricing
Free plan available
Subscription plus usage
ZenMux has fixed monthly Builder subscription plans for personal/non-production use, plus a separate Pay As You Go path for production/commercial usage that bills at model/provider-specific token-level rates on a topped-up balance.
Free Builder plan
$0/momonthly subscription - 5 flows per 5 hours; about 165.6 flows per month max - A free Builder subscription tier for personal development and experimentation.
- 100+ models
- Standard stability
- 10-15 RPM rate limit
Pro Builder plan
$20/momonthly subscription - 50 flows per 5 hours; about 914.44 flows per month max - Paid Builder subscription for personal development and learning.
- 100+ models
- Standard stability
- 10-15 RPM rate limit
Max Builder plan
$100/momonthly subscription - 300 flows per 5 hours; about 5,486.66 flows per month max - Higher-capacity Builder subscription for personal development and experimentation.
- 100+ models
- Standard stability
- 10-15 RPM rate limit
Ultra Builder plan
$200/momonthly subscription - 800 flows per 5 hours; about 14,631.09 flows per month max - Top Builder subscription tier for personal development and experimentation.
- 100+ models
- Standard stability
- 10-15 RPM rate limit
Usage billing
- Model/provider-specific token-level rates: Pay As You Go charges at token-level precision with provider/model-specific input/output token pricing and special feature pricing.
- Included in monthly subscription: Builder subscriptions include flow quotas rather than separate token charges.
Add-ons
- Prorated plan upgrade - Varies - Upgrading between Builder plans can trigger an immediate prorated charge, with full price on the next renewal.
Watch-outs
- Do not treat Builder subscription access as free beyond the explicitly free $0/mo tier.
- Pay As You Go is not a flat-fee plan; exact prices vary by provider/model and are not listed in the source text.
- Subscriptions are for personal/non-production use only; production/commercial use is assigned to the separate usage-based path.
- Overages are not permitted on Builder subscriptions.
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Frequently Asked Questions
What is ZenMux AI?
ZenMux AI is a unified AI platform that provides one account and one API for access to 100+ models from official providers and authorized cloud partners.
What kinds of models can I use on ZenMux AI?
ZenMux AI supports text, chat, coding, image generation, and video generation workflows, including multimodal models and coding agents.
Does ZenMux AI require multiple accounts or API keys?
No. ZenMux AI is designed to eliminate the need for multiple accounts, keys, or proxies by centralizing access through a single platform.
How does ZenMux AI help control costs?
ZenMux AI offers automatic model routing to choose cost-effective options and provides cost visibility dashboards to track token and request spend.
What pricing options does ZenMux AI offer?
ZenMux AI offers pay-as-you-go API usage and subscription plans such as the Builder Plan for more predictable monthly pricing.
What is AI Insurance on ZenMux AI?
AI Insurance is a quality-focused feature that provides compensation or coverage for outputs that fall significantly below expectations.
Can I use ZenMux AI with developer tools?
Yes. ZenMux AI integrates with tools such as ClaudeCode, Codex, and OpenClaw.
Is there a free model available on ZenMux AI?
Yes. The official context mentions Nano Banana Pro as a free image generation option with rate limits and possible availability constraints.
What is the unified API compatible with?
ZenMux AI offers a unified API that supports Google Vertex AI-style calls and other common developer workflows.
Who is ZenMux AI best for?
ZenMux AI is best for developers, teams, and builders who want fast access to multiple leading AI models with predictable pricing, routing, and tooling support.