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Mirascope is a Python toolkit for building LLM applications with clean abstractions for prompts, calls, and extractions. Type-safe…

PromptLayer is a platform for tracking, managing, and evaluating LLM prompts in production. Log every prompt and completion,…

Langfuse is an open-source LLM engineering platform for observability, testing, and prompt management. Debug production AI issues, evaluate…

Helicone provides one-line LLM observability — add a single line to your OpenAI calls and get full logging,…

Opik by Comet is an open-source LLM evaluation framework for testing AI application quality at scale. Automated evaluation…

Weaviate is an open-source vector database with built-in ML model integration. Automatically vectorizes data as it's imported and…

Qdrant is a high-performance vector database optimized for production AI applications. Rust-based engine delivers exceptional speed with filtering…

Chroma is the open-source embedding database for AI applications. Simple Python API, local-first development, and seamless LangChain integration…

Milvus is a cloud-native vector database built for billion-scale AI applications. Handles trillion-dimensional vectors with hybrid search combining…

LlamaIndex is a data framework for building LLM-powered applications over your data. Simple connectors for 160+ data sources,…