LLM Gateway: Best AI Tool for AI API, Latest Features & Pricing Plans 2026

Intro

What is LLM Gateway?

LLM Gateway is a unified LLM API platform that enables developers to route, manage, and analyze AI requests across multiple providers through a single interface. Operating as a flexible open llm gateway, it provides full compatibility with the OpenAI API format, allowing teams to seamlessly integrate various backends using standard SDKs. Whether you need a rust llm gateway for speed or a reliable cloud setup, the platform simplifies your AI infrastructure. Unlike other options, it offers a distinct advantage when comparing llm gateway vs openrouter by providing full self-hosting capabilities, deeper real-time latency analytics, and zero gateway fees on paid tiers when you bring your own provider keys for models like xai/grok-4-0709 or Gemini.

LLM Gateway at a glance

Free, Pro from $50/mo76K monthly visitsHas free access

Best LLM Gateway use cases by task, role, industry, and platform

These use cases show where LLM Gateway fits best, ranked by fit score before popularity or pricing.

LLM GatewayRoute API requests, manage API keys, track costs, and switch between different language models through a single unified interface.100 API IntegrationConnect disparate software systems, sync real-time data flows, and automate backend workflows through custom endpoint configurations.95 LLM AggregationCombine outputs from multiple large language models to compare responses, reduce biases, and improve text accuracy.90

Pricing

LLM Gateway Pricing Plans

Compare LLM Gateway free options, LLM Gateway paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.

Free, Pro from $50/mo

Free

100% free forever, full control over data, host on your infrastructure, no usage limits, community support.

$0/month

Access to ALL models, pay with credits, 5% LLMGateway fee on credit usage, 3-day data retention, standard support.

$50/month

Use your own API keys without surcharges, NO fees on credit usage, 90-day data retention, Advanced Analytics, priority support. (50% off until July 15 with code PRODUCTHUNT)

Custom

Everything in Pro, advanced security features, custom integrations, onboarding assistance, unlimited data retention, 24/7 premium support.

Pricing updated:Jun 12, 2026

Features

LLM Gateway AI Features

Unified API Interface compatible with the OpenAI API format for seamless migrationMulti-provider Support to connect various LLM backends through a single hubUsage Analytics to track requests, tokens used, response times, and costsPerformance Monitoring to compare model cost-effectiveness and latency in real timeSecure Key Management to handle multiple provider API keys in one safe placeFlexible Deployment options allowing teams to self-host on their own infrastructure or use the hosted cloud version

Pros & Cons

LLM Gateway Pros and Cons

Pros

Fully open-source and self-hostable under an MIT license
No usage fees or limits when choosing to self-host
Saves money on the Pro plan by eliminating gateway surcharges on your own keys
Easy drop-in integration with existing OpenAI-compatible codebases

Limitations

Free cloud tier charges a 5% gateway fee on credit usage
Data retention on the Free cloud tier is limited to 3 days
Team collaboration features are still marked as coming soon

LLM Gateway FAQ

Unlike OpenRouter, LLM Gateway is 100% open-source, allowing you to self-host the entire infrastructure on your own servers for free. It also features deeper real-time cost and latency tracking, and it doesn't charge any gateway fee on its Pro plan if you bring your own API keys.

Alternatives

LLM Gateway

What is LLM Gateway?

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