AI Engineer
LLM APIs
API access to Claude models for text and agentic tool-use applications.
API access to Google's Gemini multimodal model family.
API access to Mistral's open-weight and commercial model family.
API access to GPT models for text, vision, and audio generation.
Agent Frameworks
Anthropic's SDK for embedding the same agent loop that powers Claude Code into custom Python/TypeScript applications.
Framework for composing LLM calls, tools, and retrieval into applications.
LangChain's graph-based framework for building stateful, controllable multi-step agents.
Data framework for connecting LLMs to private and domain-specific data.
TypeScript toolkit for building AI-powered streaming UI applications.
Vector Databases
Open-source embedding database designed for AI application development.
Managed vector database for similarity search at scale.
Rust-based open-source vector database with strong current momentum.
Open-source vector database with hybrid search and modular ML integrations.
Postgres extension for vector similarity search.
Evaluation & Observability
Evaluation-first LLM observability platform treating eval scores as a core primitive alongside traces.
LangChain's managed platform for tracing, evaluating, and debugging LLM applications.
Open-source LLM observability platform with tracing, evals, and self-hosting.