Rig
Build modular and scalable LLM Applications in Rust
- Status
- Generally available
- Last checked
- Checked · Oct 16, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Rig is a framework for building modular and scalable language model applications using Rust. It provides the tools necessary to develop efficient, high-performance AI-driven apps.
Rig stands out as the only Rust-based framework designed specifically for building modular and scalable language model applications, offering unparalleled performance and flexibility.
When it fits — and when it doesn’t
A good fit for
Rust developers looking to build scalable and performant language model applications
Teams needing a robust framework for integrating various language models into their projects
Look elsewhere if
Developers preferring high-level languages like Python or JavaScript
Projects requiring real-time streaming capabilities (batch-only architecture)
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Steep learning curve for non-Rust developers
Rig leverages Rust's unique features such as ownership and borrowing, which can be challenging for developers unfamiliar with these concepts.
- 02
Limited language support restricts ecosystem integration
The primary focus on Rust means that integrations and libraries in other languages are sparse or non-existent, limiting the tool's utility outside of Rust ecosystems.
- 03
Complex setup process for new projects
Setting up a Rig project requires configuring multiple components including build systems, dependency management with Cargo, and integrating language models, which can be cumbersome.
- 04
Performance optimizations require deep Rust knowledge
To fully leverage the performance benefits of Rig, developers must have a thorough understanding of Rust's memory model and optimization techniques.
What it does well
Modular architecture for building scalable applications
High performance due to Rust's low-level capabilities
Flexibility in integrating various language models
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 Rig
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for Rig’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
Markdown
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