List of the Top 5 LLM Routers for Together AI in 2026

Discover the possibilities of choosing the perfect LLM that fits your unique needs while simultaneously improving quality, efficiency, and budget. With just one API key, you can easily connect to all LLMs from different providers via a unified interface. You can adjust parameters for cost, response time, and output speed, and create a custom metric for quality assessment. Tailor your router to meet your specific requirements, which allows for organized query distribution to the fastest provider using up-to-date benchmark data refreshed every ten minutes for precision. Start your experience with Unify by following our detailed guide that highlights the current features available to you and outlines our upcoming enhancements. By creating a Unify account, you can quickly access all models from our partnered providers using a single API key. Our intelligent router expertly balances the quality of output, speed, and cost based on your specifications, while using a neural scoring system to predict how well each model will perform with your unique prompts. This careful strategy guarantees that you achieve the best results designed for your particular needs and aspirations, ensuring a highly personalized experience throughout your journey. Embrace the power of LLM selection and redefine what’s possible for your projects.

LiteLLM acts as an all-encompassing platform that streamlines interaction with over 100 Large Language Models (LLMs) through a unified interface. It features a Proxy Server (LLM Gateway) alongside a Python SDK, empowering developers to seamlessly integrate various LLMs into their applications. The Proxy Server adopts a centralized management system that facilitates load balancing, cost monitoring across multiple projects, and guarantees alignment of input/output formats with OpenAI standards. By supporting a diverse array of providers, it enhances operational management through the creation of unique call IDs for each request, which is vital for effective tracking and logging in different systems. Furthermore, developers can take advantage of pre-configured callbacks to log data using various tools, which significantly boosts functionality. For enterprise users, LiteLLM offers an array of advanced features such as Single Sign-On (SSO), extensive user management capabilities, and dedicated support through platforms like Discord and Slack, ensuring businesses have the necessary resources for success. This comprehensive strategy not only heightens operational efficiency but also cultivates a collaborative atmosphere where creativity and innovation can thrive, ultimately leading to better outcomes for all users. Thus, LiteLLM positions itself as a pivotal tool for organizations looking to leverage LLMs effectively in their workflows.

LangDB serves as a collaborative and openly accessible repository focused on a wide array of natural language processing tasks and datasets in numerous languages. Functioning as a central resource, this platform facilitates the tracking of benchmarks, the sharing of tools, and the promotion of the development of multilingual AI models, all while emphasizing transparency and inclusivity in the representation of languages. By adopting a community-driven model, it invites contributions from users globally, significantly enriching the variety and depth of the resources offered. This engagement not only strengthens the database but also fosters a sense of belonging among contributors.

LLM Gateway is an entirely open-source API gateway that provides a unified platform for routing, managing, and analyzing requests to a variety of large language model providers, including OpenAI, Anthropic, and Gemini Enterprise Agent Platform, all through one OpenAI-compatible endpoint. It enables seamless transitions and integrations with multiple providers, while its adaptive model orchestration ensures that each request is sent to the most appropriate engine, delivering a cohesive user experience. Moreover, it features comprehensive usage analytics that empower users to track requests, token consumption, response times, and costs in real-time, thereby promoting transparency and informed decision-making. The platform is equipped with advanced performance monitoring tools that enable users to compare models based on both accuracy and cost efficiency, alongside secure key management that centralizes API credentials within a role-based access system. Users can choose to deploy LLM Gateway on their own systems under the MIT license or take advantage of the hosted service available as a progressive web app, ensuring that integration is as simple as a modification to the API base URL, which keeps existing code in any programming language or framework—like cURL, Python, TypeScript, or Go—fully operational without any necessary changes. Ultimately, LLM Gateway equips developers with a flexible and effective tool to harness the potential of various AI models while retaining oversight of their usage and financial implications. Its comprehensive features make it a valuable asset for developers seeking to optimize their interactions with AI technologies.

Developed by LM-SYS, RouteLLM is an accessible toolkit that allows users to allocate tasks across multiple large language models, thereby improving both resource management and operational efficiency. The system incorporates strategy-based routing that aids developers in maximizing speed, accuracy, and cost-effectiveness by automatically selecting the optimal model tailored to each unique input. This cutting-edge method not only simplifies workflows but also significantly boosts the performance of applications utilizing language models. In addition, it empowers users to make more informed decisions regarding model deployment, ultimately leading to superior results in various applications.