Question: I'm looking for an AI assistant that offers prompt management, cost controls, and AI usage analytics to optimize our workflows.

PromptDrive is a good choice, with a full-fledged prompt management system. It's got a prompt creation, sharing and refinement tool that's integrated with many AI models. The service offers multiple pricing levels, including a free option for personal use, so it's good for small teams and solo users. It's got features like prompt optimization and versioning that can be useful for optimizing workflows.

PROMPTMETHEUS is another powerful service for creating, testing, optimizing and deploying prompts on more than 80 Large Language Models. It's got tools for crafting prompts, selecting models and estimating costs to help you optimize your AI use. It can integrate with third-party services like Notion and Zapier for easy deployment and management of your AI workflow.

Parallel AI is a more modern take on automating business processes with its large collection of AI models. It's got a workflow builder for creating multi-step AI jobs, an AI Knowledge Base for training AI assistants, and integration with services like Slack and Google Docs. The service is designed to help you increase productivity and optimize workflows with customizable prompts and workflows.

If you're looking for a community-based prompt management tool, AIPRM is a good choice with a large library of more than 70,000 private and 4,500 public prompts. It's got tools for managing, creating and reusing prompts so you can keep a consistent brand voice and spend less time creating content.