Best LLM Gateway Products in 2026

One library to standardize all LLM APIs.

Key liteLLM features:

Ease of Use Open Source Flexibility Integration Capabilities

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.

Key ForthWrite features:

Voice Matching Auto-draft replies Batch-drafting Works in browser

Try for free freemium $12.0 / Monthly (Standard plan)

Build production-grade & reliable AI apps with Portkey.

Key Portkey features:

Ease of Use Integration Capabilities Scalability Customization

Open-source LLM Observability for Developers.

AI Security Gateway (AISG) is an AI firewall, LLM proxy & MCP Gateway that redacts 30+ PII types (text+vision), blocks prompt injections, smart-routes 600+ models, & enforces budgets —2-line integration, loop detection, zero data retention.

Key AI Security Gateway features:

PII Detection & Redaction Multi-Modal DLP Prompt Injection Detection Stateless Processing

Open Source freemium

Aptible is a platform for deploying apps, databases, and AI on AWS with HIPAA, SOC II, and HITRUST controls applied automatically. It's the easiest way for digital health startups to run production infrastructure safely.

Key Aptible features:

Application deployments Managed databases Security Compliance

STEALTHbits Technologies is a leader in the Microsoft Infrastructure and Application Management space, with solutions for Data Access Governance, Identity Access Management, Active Directory, and more.

Key StealthINTERCEPT features:

Real-time monitoring Comprehensive auditing Immediate threat alerts Integration capabilities

Use GPT, Claude, Gemini, and more from one account. No separate model subscriptions required to start.

Key LLMWise features:

Simplified LLM Integration API-First Approach Focus on Business Use Cases Reduced Development Time

freemium $10.0 / Usage

Enterprise LLM gateway and self-hosted AI platform: Chat, Code, and Agent workspaces on top of centralized access control, budgets, and usage visibility. An alternative to running LiteLLM plus custom auth, UI, and admin tooling.

Key SecondStack features:

Multi-provider LLM gateway Self-hosted deployment Access control, budgets and usage visibility

paid

Open-source engineering stack for self-improving AI Agents.

Key Future AGI features:

Simulate Evaluate Optimize Protect

Open Source freemium $50.0 / Monthly

ControlCase is a IT GRC, managed compliance software and services company. We enable companies and government agencies with efficient compliance solutions that are both consistent and repeatable for unrivaled value over the life of a regulation.

Key ControlCase features:

Comprehensive Compliance Solutions Automation and Efficiency Expertise and Industry Experience Global Reach

Your organisation's own privacy hub. Manage data protection compliance and demonstrate that compliance to customers and regulators.

The fastest LLM Gateway. Built for enterprise-grade reliability, governance, and scale.

Key Bifrost by Maxim AI features:

Instant Design-to-Code Conversion Production-Ready Output Figma Integration Reduces Design-Developer Handoff Friction

Open Source freemium

Unified security for APIs, AI agents, MCP tools, and LLM applications. API Security + MCP Security + AI Gateway + Verification Engine. Starting at $399/mo.

Key G8KEPR features:

API Security MCP Security AI Gateway Deterministic detection

freemium $399.0 / Monthly (API Security - MCP Security - AI Gateway - Verification Engine)