Looking for something like jerryjliu/gpt index: GPT Index (LlamaIndex)? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 21 are open source.
LlamaIndex processes documents for AI applications and provides developer documentation and integrations.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Chunk Tuner | Free | Yes | Windows |
| 2 | Neurolink | — | Yes | — |
| 3 | BaseAI | — | Not stated | Web |
| 4 | Ducky | — | Not stated | Web |
| 5 | GPTCache | — | Yes | — |
| 6 | PDF Parser | — | Not stated | Web |
| 7 | DeepSpeed-MII | — | Yes | — |
| 8 | colibri-core | — | Yes | — |
| 9 | Gymnasium | — | Yes | — |
| 10 | Butterfree | — | Yes | — |
Chunk Tuner benchmarks document chunking strategies for RAG and recommends a configuration through a CLI, Python library, or MCP server.
Neurolink connects AI model providers to applications and includes generation, streaming, voice, RAG, and file processing features.
BaseAI helps developers build serverless AI agents with memory, tools, and composable workflows for local development and deployment.
Ducky provides managed AI retrieval and RAG infrastructure for adding search to developer products.
GPTCache provides semantic caching for large language models and integrates with LangChain and LlamaIndex.
PDF Parser extracts structured data from complex PDFs for retrieval-augmented generation workflows.
MII makes low-latency and high-throughput inference possible, powered by DeepSpeed.
The colibri-core NLP tool and library works with n-grams, skipgrams, and other linguistic patterns.
Gymnasium provides a standard API for single agent reinforcement learning environments and related utilities.
Butterfree provides tools for building feature stores and transforming raw data.
PromptSite provides prompt version management for tracking, experimentation, and debugging LLM prompts.
DEAP provides a Python framework for prototyping evolutionary computation algorithms and testing new ideas.
OpenLLMetry provides OpenTelemetry-based observability for generative AI and large language model applications.
DeepLake provides multimodal data infrastructure for AI agents, including retrieval and training.
QKeras provides quantization tools for deep learning with TensorFlow Keras.
ColossalAI provides tools intended to make large AI models cheaper, faster, and more accessible.
DeepEval is an LLM evaluation framework, according to its repository description.
The linfa project provides a machine learning framework written in Rust.
autobatcher batches asynchronous OpenAI-compatible API requests through a drop-in replacement library.
PaddlePaddle provides a deep learning framework for training models across devices and platforms.
FATE supports federated learning through an industrial grade framework.
OneCompression is a Python package for compressing large language models.
MLX provides an array computing framework designed for Apple silicon devices.
Mosec serves machine learning models with dynamic batching and CPU or GPU pipelines for inference workloads.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
