For optimizing your language model results, Unify is a dynamic routing service that aggregates multiple Large Language Model (LLM) providers with a single API key. You can customize routing based on factors like cost, latency, and output speed to get the best results for your use case. The service also includes live benchmarks updated every 10 minutes and the ability to set your own quality metrics, so you can use it as a flexible way to optimize LLM usage.
Another option is PromptPerfect, which is geared specifically for optimizing prompts for models like GPT-4 and ChatGPT. It can help you quickly iterate on prompts to get better results, which is useful for people who need to fine-tune their input for better performance.
PROMPTMETHEUS is an all-in-one platform for writing, testing and deploying prompts across more than 80 LLMs from multiple providers. It comes with features like a prompt toolbox, cost estimation, data export and collaboration tools, so it's a good option for prompt optimization and integration with third-party services.
Last, Humanloop is a service for managing and optimizing LLM applications. It has a collaborative prompt management system, evaluation and monitoring tools and support for popular LLM providers. It's geared for product teams and developers who want to improve the efficiency and reliability of their AI features.