Vector Databases

ikv-store

High-performance key-value store for ML inference, up to 100x faster than Redis.

Status
UnmaintainedNo commits in 834 days.
Last checked
Checked · Oct 10, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

ikv-store is a high-performance key-value store designed specifically for machine learning inference tasks. It offers significantly faster performance compared to traditional stores like Redis, making it ideal for applications requiring low-latency data retrieval.

ikv-store stands out as a specialized, high-performance key-value store optimized for machine learning inference tasks, offering unparalleled speed compared to general-purpose stores like Redis.

When it fits — and when it doesn’t

A good fit for

  • Teams building real-time inference systems where sub-millisecond latency is critical

  • Projects requiring a self-hosted, high-performance key-value store for caching and retrieval

Look elsewhere if

  • Applications that require complex data querying beyond simple key-value operations

  • Scenarios where cloud-based managed services are preferred over self-hosting

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Steep learning curve for non-C++ developers

    The primary language is C++, which may require significant effort to integrate with other languages commonly used in machine learning workflows.

  2. 02

    Limited community support and small user base

    Being a niche tool for ML inference tasks, the community around ikv-store is relatively small compared to more established key-value stores like Redis or DynamoDB.

  3. 03

    Complex setup and configuration

    The documentation lacks detailed setup instructions, leading to a complex and error-prone deployment process for new users.

  4. 04

    Documentation is sparse and incomplete

    The official documentation does not cover all features comprehensively, making it difficult for developers to fully leverage the tool's capabilities without extensive trial and error.

What it does well

  • Up to 100x faster than Redis for ML inference tasks

  • High-performance key-value storage optimized for low-latency retrieval

  • Self-hosted solution with no external dependencies

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up ikv-store

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →