Best Spice.ai Alternatives & Competitors

Free / Open-sourceOpen-source, high-performance vector search at any scale

Together AI is the AI Native Cloud — a full-stack platform for running, fine-tuning and training open-source models. It spans serverless inference APIs, dedicated endpoints, GPU clusters, post-training and storage, all backed by in-house systems research.

The managed vector database and knowledge engine for production AI

Free / Open-sourceRun and build with open AI models locally or in the cloud

Free / Open-sourceLightning-fast search engine you can self-host or run in the cloud

Fully managed Vector Lakebase and vector database for enterprise AI, built by the creators of Milvus

Search and inference APIs that give AI models real-time web data

Open models served fast, with warm-cache routing for agents

Free / Open-sourceOpen data infrastructure where people own and authorize the data behind AI

Free / Open-sourceThe memory operating system for AI agents

Free / Open-sourceServerless, decentralized inference for open-source AI models

Free / Open-sourceGoogle's family of lightweight, open-weight AI models