Question: Is there a solution that provides a unified billing system for all my AI workflows?

If you want a single billing system for all your AI workflows, Gooey could be a great option. Gooey offers a single interface to a variety of AI models and a single billing account. It's got a low-code interface, hot-swappable AI models and integration with communication tools like Slack and WhatsApp. The service has a variety of pricing tiers, including a free starter plan, commercial usage plans and custom enterprise plans, so you can more easily grow and manage your AI workloads at a reasonable cost.

Another option is MindStudio. It's a no-code AI application development platform that lets you build custom AI tools and automations without writing any code. MindStudio has unified billing and analytics, and its tiered pricing plans include a free starter plan and a Pro plan at $49 per member/month. The service also lets you pay only for the AI model usage, which can cut costs.

For developers and companies building generative AI applications, Props AI could be a good option. It offers usage-based billing with Stripe integration and has features like the ability to drill down to per-user costs for tokens and usage, error and latency monitoring, and model routing. Props AI's pricing tiers include a free starter plan and a PRO plan at $47/month, so it's a good option if you want to optimize performance and revenue.

Last, Eden AI is a service to orchestrate multiple AI models and build them into business processes. With a unified API and a pay-as-you-go pricing model, Eden AI lets you switch from one AI provider to another without being tied to one. The service's pricing tiers range from a free starter plan to a premium plan at $499/month, so it's available to businesses of all sizes looking to streamline operations and cut costs.