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Data framework for connecting LLMs with private data

LlamaIndex is a data framework that connects large language models with private and custom data sources. It provides data connectors, indexing strategies, and query engines for building RAG applications, knowledge agents, and data-augmented AI applications.

Framework for developing LLM-powered applications

LangChain is the most popular framework for building applications powered by large language models. It provides modular components for prompt management, memory, chains, agents, and retrieval that simplify the development of complex AI applications.

Open platform for sharing and deploying ML models

Hugging Face provides the largest open platform for sharing machine learning models, datasets, and AI applications. It hosts 500K+ models, 100K+ datasets, and provides infrastructure for training, fine-tuning, and deploying AI models with a vibrant community.

Unified API gateway for accessing all major LLMs

OpenRouter provides a single API to access models from OpenAI, Anthropic, Google, Meta, Mistral, and dozens of other providers. It offers unified pricing, automatic routing, and usage tracking across all major LLMs through one API key.

Run and deploy ML models with a cloud API

Replicate lets developers run open-source machine learning models in the cloud with a simple API. It hosts thousands of models for image generation, language, audio, and video, providing serverless GPU infrastructure without managing any hardware.

Fast inference and fine-tuning for open-source AI models

Together AI provides fast inference, fine-tuning, and training for leading open-source AI models. It offers competitive pricing, high throughput, and support for models from Llama, Mistral, and other leading open-source model families.

API access to Claude models for building AI applications

The Anthropic API provides access to the Claude family of AI models for building applications. It offers industry-leading capabilities in reasoning, coding, and analysis with features like tool use, vision, and extended context windows up to 200K tokens.

Development environment for building with Gemini models

Google AI Studio provides a development environment for prototyping and building applications with Google's Gemini models. It offers prompt engineering tools, API key management, model tuning, and direct access to Gemini Pro and Ultra models.

Enterprise AI models for search, generation, and classification

Cohere provides enterprise-grade AI models optimized for business applications. Its Command models for generation, Embed models for search, and Rerank models for relevance help enterprises build secure, scalable AI applications with deployment flexibility.

European AI models with open and commercial offerings

Mistral AI provides a range of AI models from open-source (Mistral 7B) to commercial (Mistral Large) through its API platform. Known for efficiency and performance, Mistral models offer strong reasoning with competitive pricing and EU data sovereignty.

State-of-the-art multilingual text embeddings API

Cohere Embed generates high-quality vector embeddings for text in over 100 languages. It powers semantic search, classification, and clustering applications with industry-leading accuracy on retrieval benchmarks.