Infinity

AI-native database for fast vector and full-text search in LLM applications.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is Infinity?

Infinity is an AI-native database built specifically for large language model applications, offering incredibly fast vector and full-text search capabilities. It's developed using C++20 to ensure high performance.

Key differentiator

Infinity stands out as an AI-native database specifically optimized for vector and full-text search in LLM applications, leveraging C++20 for high performance.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

High-performance vector and full-text search for LLM applicationsmedium

Developed using C++20 for optimized performancemedium

AI-native architecture designed specifically for large language modelsmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited language support beyond C++ and Pythonhigh

Primary development in C++20, official SDKs only for Python and community-maintained TypeScript

Expensive at scale due to resource-intensive operationsmedium

High-performance vector search requires significant computational resources which can increase costs

Fit analysis

Who is it for?

✓ Best for

Teams building LLM applications that require fast vector and full-text search capabilities

Projects needing high-performance databases optimized with C++20

Developers looking to integrate AI-native database solutions into their projects

✕ Not a fit for

Applications requiring real-time streaming data processing (batch-only architecture)

Projects with strict budget constraints as it requires self-hosting and potentially significant setup costs

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Infinity

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →