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Average Ratings 0 Ratings

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ease
features
design
support

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Description

FastRouter serves as a comprehensive API gateway designed to facilitate AI applications in accessing a variety of large language, image, and audio models (such as GPT-5, Claude 4 Opus, Gemini 2.5 Pro, and Grok 4) through a streamlined OpenAI-compatible endpoint. Its automatic routing capabilities intelligently select the best model for each request by considering important factors like cost, latency, and output quality, ensuring optimal performance. Additionally, FastRouter is built to handle extensive workloads without any imposed query per second limits, guaranteeing high availability through immediate failover options among different model providers. The platform also incorporates robust cost management and governance functionalities, allowing users to establish budgets, enforce rate limits, and designate model permissions for each API key or project. Real-time analytics are provided, offering insights into token utilization, request frequencies, and spending patterns. Furthermore, the integration process is remarkably straightforward; users simply need to replace their OpenAI base URL with FastRouter’s endpoint while configuring their preferences in the user-friendly dashboard, allowing the routing, optimization, and failover processes to operate seamlessly in the background. This ease of use, combined with powerful features, makes FastRouter an indispensable tool for developers seeking to maximize the efficiency of their AI applications.

Description

Created by LM-SYS, RouteLLM is a publicly available toolkit that enables users to direct tasks among various large language models to enhance resource management and efficiency. It features strategy-driven routing, which assists developers in optimizing speed, precision, and expenses by dynamically choosing the most suitable model for each specific input. This innovative approach not only streamlines workflows but also enhances the overall performance of language model applications.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

OpenAI
Claude
Claude Opus 4
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.5
GPT-5.5 Pro
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3.1 Pro
Grok 4
Grok 4.1
Grok 4.1 Fast
Grok 4.1 Thinking
Grok 4.3
Mixtral 8x7B
Ollama

Integrations

OpenAI
Claude
Claude Opus 4
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.5
GPT-5.5 Pro
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3.1 Pro
Grok 4
Grok 4.1
Grok 4.1 Fast
Grok 4.1 Thinking
Grok 4.3
Mixtral 8x7B
Ollama

Pricing Details

No price information available.
Free Trial
Free Version

Pricing Details

No price information available.
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

FastRouter

Founded

2025

Country

United States

Website

fastrouter.ai/

Vendor Details

Company Name

LMSYS

Website

github.com/lm-sys/RouteLLM

Product Features

Product Features

Alternatives

Alternatives