Question: I need a flexible AI solution that lets me chain multiple models together to achieve a specific outcome.

If you want a more flexible AI service that lets you link multiple models together, Blend AI could be a good option. The service exposes a range of AI models for different types of content, including images, videos and audio. It's got model chaining, a multigraph interface for fluid model-to-model interactions, and an interface that's designed to be easy to navigate. Pricing is pay-as-you-go, with a minimum starting at 5,000 credits for $5 USD.

Another option is MindStudio, a no-code AI application development service. It lets you build your own custom AI tools and automations without having to write any code, so you can link models together to build your own custom AI assistants. MindStudio can connect to multiple data sources, and it's got tiered pricing including a free plan, so it's a good option if you want to experiment with AI models.

Eden AI is another good option, with an orchestration service that lets you coordinate multiple AI models and integrate them into your business processes. It's got a range of AI technologies and a unified API that packages all the models together so you can easily switch from one provider to another. Eden AI uses a pay-as-you-go pricing model with different tiers for different customers.

For developers, LLMStack is an open-source service to build your own AI apps using pre-trained language models. You can link multiple LLMs together and connect them to data and business processes without having to be a programming expert. The service can run in the cloud or on your own premises, so it's very flexible for building advanced AI apps.