ZenMux

Web · API · paid plans from $20/mo

Freedom report

One barScore 5.2

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedThinly documented

ZenMux is ranked #30 of 33 in LLM gateway software on Freedom251. It runs on API, Web. There is a free plan. Paid plans start at $20/mo.

ZenMux plans and pricing

All plans

Free Free $0 5 Flows per 5 hours · Basic models · Studio Chat on web only · No API access zenmux.ai · 9 Oct 2026

Starter $20/mo $20/mo 50 Flows per 5 hours · Basic models plus rotating limited-time premium models · API access · 4 bonus window resets per month zenmux.ai · 9 Oct 2026

Max $100/mo $100/mo 300 Flows per 5 hours · Basic and premium models · API access · 3 bonus window resets per month zenmux.ai · 9 Oct 2026

Ultra $200/mo $200/mo 800 Flows per 5 hours · All models · API access · 2 bonus window resets per month zenmux.ai · 9 Oct 2026

Compared on LLM gateway software

Free plan: Yes
Paid from: $20/mo
Fallback routing: Yes
Usage analytics: Yes
Budget controls: Yes

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The record

Unified AI model access: ZenMux provides one API and one API key for accessing models from multiple providers, including OpenAI, Anthropic, Google, and DeepSeek.
Protocols: The platform supports OpenAI-compatible and Anthropic-compatible API protocols.
Model routing: Its intelligent routing analyzes requests and task characteristics to select a model based on suitability and cost.
Provider failover: ZenMux says it automatically switches to other providers when a provider reaches capacity or has service issues.
Observability: The platform provides API request logs and analytics for costs, usage, and performance.
AI compensation: ZenMux describes an insurance mechanism that checks platform call data daily for issues such as poor performance, hallucinations, and excessive latency, with payouts credited the next day.
Integrations: The subscription guide lists integrations for Claude Code, CodeX, Cline, VS Code Copilot, OpenCode, Cherry Studio, Obsidian, Dify, and Open WebUI.
Pay-as-you-go limits: The Pay As You Go guide says the plan has no per-minute request or concurrency limits, while subscription plans have a 10–15 RPM rate limit and rolling quota windows.
Production use: The guide says Builder subscriptions are for personal development and learning and must not be used for production or commercial products.
Security and compliance: ZenMux says SOC 2, ISO 27001, and GDPR are in progress and describes a Data Processing Addendum and data-protection controls.
Support: ZenMux lists technical support by email and says it typically responds within 24 hours.
Enterprise support: For enterprise customers, ZenMux lists dedicated technical support, flexible pricing and volume discounts, customized API integration, and technical consulting.
Headquarters: 11 Collyer Quay, #05-06C, The Arcade, Singapore 049317
Price from: $20/mo

Where it ranks on Freedom251

Best LLM Gateway Software in 2026#30 of 33

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Sources

zenmux.ai/docs/about/intro.html· checked 9 Oct 2026
zenmux.ai/docs/guide/advanced/provider-routing.ht· checked 9 Oct 2026
zenmux.ai/docs/guide/subscription.html· checked 9 Oct 2026
zenmux.ai/docs/guide/pay-as-you-go.html· checked 9 Oct 2026
zenmux.ai/docs/compliance.html· checked 9 Oct 2026
zenmux.ai/docs/help/contact.html· checked 9 Oct 2026
zenmux.ai· checked 28 Sept 2026