Freemium
Unify
LLM router optimizing cost, speed and quality
AI APIsAI Infrastructure
AI Chips
Best AI Infrastructure Tools
13 curated AI Infrastructure Tools, updated 2026-10-22. Top picks include Unify, Pinecone, Weights & Biases. Compare free, freemium and paid options, then open a tool page or browse alternatives.
13 toolsUpdated 2026-10-22Free 3Freemium 8Paid 2
Freemium
Pinecone
Managed vector database for AI apps
AI InfrastructureAI Dev Platforms
Freemium
Weights & Biases
Experiment tracking for ML teams
AI InfrastructureModel Training
Paid
Martian
Model router that picks the best LLM per request
AI APIsAI Infrastructure
Freemium
LiteLLM
One SDK to call 100+ LLM APIs uniformly
AI APIsAI Infrastructure
Freemium
Zilliz
Managed Milvus vector database cloud
AI InfrastructureAI Open Source
Freemium
Qdrant
High-performance vector database written in Rust
AI InfrastructureAI Open Source
Free
MLflow
Open-source platform for the ML lifecycle
AI InfrastructureModel Training
Freemium
Weaviate
Open-source vector database with hybrid search
AI InfrastructureAI Open Source
Freemium
Chroma
The AI-native open-source embedding database
AI InfrastructureAI Open Source
Free
SGLang
Fast LLM serving engine with RadixAttention
AI InfrastructureAI Open Source
Free
TensorRT-LLM
NVIDIA's toolkit to max out GPU inference
AI InfrastructureAI Open Source
Paid
无问芯穹 Infinigence
AI-native compute platform from China
AI InfrastructureGPU Cloud
How we curate this category
Every listing is reviewed by a human before publishing. We group tools by use case, keep pricing and category data current, and link to official websites — paid placement never determines order.