# Delta AI > Architecture-first backend generator. Delta AI designs a backend system from a product description, writes a specification per service, and opens pull requests in your GitHub organisation. Delta AI is for backend engineers and technical founders. It generates TypeScript, Python, Go and Rust services backed by PostgreSQL, delivered as pull requests in your own GitHub organisation. You deploy the containers. Managed environments are not available yet. ## Pages - [Delta AI: architecture-first backend generator](https://app.delta-ai.dev/): Describe your product. Delta AI designs a scalable, secure backend architecture and opens the pull requests in your GitHub org. No lock-in. - [Pricing: credits and plans | Delta AI](https://app.delta-ai.dev/pricing): The first architecture and one service end to end are free. After that, runs are charged in credits that never expire. Plans from $25 a month. - [Privacy Policy | Delta AI](https://app.delta-ai.dev/privacy-policy): What data Delta AI collects, how it is used, how long it is kept, and how to exercise your rights over it. - [Terms of Service | Delta AI](https://app.delta-ai.dev/terms-of-service): The terms governing use of Delta AI, including how credits, estimates, holds and account deficits are handled. ## Notes - Pricing: the first architecture and one full service are free. Credits from $10, never expire, and cost less per credit inside a plan. Plans: Discovery $25, Pro $50, Business $200 per month with matching credits. - Hosting and deployment are not included. Managed environments are coming. - Full documentation: https://docs.delta-ai.dev/llms-full.txt - Documentation index: https://docs.delta-ai.dev/llms.txt