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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

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 Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

OpenAI Yes 
Amazon Bedrock No 
Anyscale No 
GPT-5 Yes 
GPT-5.1 Yes 
GPT-5.1 Pro Yes 
GPT-5.2 Instant Yes 
GPT-5.2 Pro Yes 
GPT-5.3 Instant Yes 
GPT-5.4 mini Yes 
GPT-5.4 nano Yes 
GPT-5.6 Luna Yes 
GPT-5.6 Terra Yes 
GPT-6 Luna Yes 
Gemini 3 Flash Yes 
Gemini 3.5 Pro Yes 
GitHub No 
Grok 4.3 Yes 
Mistral AI Yes 
Python No 

Integrations

OpenAI Yes 
Amazon Bedrock Yes 
Anyscale Yes 
GPT-5 No 
GPT-5.1 No 
GPT-5.1 Pro No 
GPT-5.2 Instant No 
GPT-5.2 Pro No 
GPT-5.3 Instant No 
GPT-5.4 mini No 
GPT-5.4 nano No 
GPT-5.6 Luna No 
GPT-5.6 Terra No 
GPT-6 Luna No 
Gemini 3 Flash No 
Gemini 3.5 Pro No 
GitHub Yes 
Grok 4.3 No 
Mistral AI No 
Python Yes 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

FastRouter

Founded

2025

Country

United States

Website

fastrouter.ai/

Vendor Details

Company Name

LMSYS

Website

github.com/lm-sys/RouteLLM

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