Grain

Grain is an API tool designed to help developers quickly and easily integrate document chat into their apps. It utilizes state-of-the-art technologies such as Pinecone, Langchain, and OpenAI to solve the problem of false answers and hallucinations which are common with AI document chat tools. Additionally, Grain provides users with industry-leading security for their documents and data. It also allows them to retrieve a list of sources used to generate the response.

Grain offers three pricing plans that cater to all types of businesses - Good for those just starting out, Perfect for startups and smaller organizations, and For bigger enterprises. A 7-day money-back guarantee policy is included in all plans so users can try out the service with no risk. Furthermore, users can delete their account at any time by sending an email request to Grain.

Overall, Grain appears to be an efficient way for developers to add document chat capabilities into their apps. With its advanced technology, secure data practices, varied pricing plans, and money back guarantee program it seems like a reliable choice for any developer looking to incorporate this type of functionality into their app.