@langchain/core

Core LangChain.js abstractions and schemas

v0.3.77 URL: https://unpkg.com/@langchain/core@0.3.77/index.js

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llm ai gpt3 chain prompt prompt engineering chatgpt machine learning ml openai embeddings vectorstores

langchain

Typescript bindings for langchain

v0.3.34 URL: https://unpkg.com/langchain@0.3.34/index.js

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llm ai gpt3 chain prompt prompt engineering chatgpt machine learning ml openai embeddings vectorstores

tokenx

Fast and lightweight token estimation for any LLM without requiring a full tokenizer

v1.1.0 URL: https://unpkg.com/tokenx@1.1.0/dist/index.js

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ai llm token tokenizer estimation tiktoken anthropic openai

ai-embed-search

Smart. Simple. Local. AI-powered semantic search in TypeScript using transformer embeddings. No cloud, no API keys — 100% offline.

v2.0.3 URL: https://unpkg.com/ai-embed-search@2.0.3/dist/index.js

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ai search semantic semantic-search vector vector-search embeddings text-embeddings transformers cosine-similarity typescript search-engine local-search offline-search in-memory-search npm-package open-source

genkitx-openai

Firebase Genkit AI framework plugin for OpenAI APIs.

v0.25.0 URL: https://unpkg.com/genkitx-openai@0.25.0/lib/index.js

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genkit genkit-plugin genkit-embedder genkit-model openai gpt-4 gpt gpt-3.5 ai genai generative-ai