cpp-langchain implements core features from the LangChain ecosystem in C++. Developers can wrap calls to large language models, define prompt templates, assemble chains, and orchestrate agents that call external tools or APIs. It includes memory modules for maintaining conversational state, embeddings support for similarity search, and vector database integrations. The modular design lets you customize each component—LLM clients, prompt strategies, memory backends, and toolkits—to suit specific use cases. By providing a header-only library and CMake support, cpp-langchain simplifies compiling native AI applications across Windows, Linux, and macOS platforms without requiring Python runtimes.

Flat AI is a minimal-dependency Python framework from MindsDB designed to embed AI capabilities into products quickly. It supports chat, document retrieval and QA, text summarization, and more through a consistent interface. Developers can connect to OpenAI, Hugging Face, Anthropic, and other LLMs, as well as popular vector stores, without managing infrastructure. Flat AI handles prompt templating, batching, caching, error handling, multi-tenancy, and monitoring out of the box, enabling scalable, secure deployment of AI features in web apps, analytics tools, and automation workflows.

Modular LLM Architecture is designed to simplify the creation of customized LLM-driven applications through a composable, modular design. It provides core components such as memory modules for session state retention, tool interfaces for external API calls, prompt managers for template-based or dynamic prompt generation, and orchestration engines to control agent workflow. You can configure pipelines that chain together these modules, enabling complex behaviors like multi-step reasoning, context-aware responses, and integrated data retrieval. The framework supports multiple LLM backends, allowing you to switch or mix models, and offers extensibility points for adding new modules or custom logic. This architecture accelerates development by promoting reuse of components, while maintaining transparency and control over the agent’s behavior.