GPU & Compute

exllama

Memory-efficient rewrite of HF transformers for quantized weights

Status
UnmaintainedNo commits in 1079 days.
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0

What it is

ExLlama is a more memory-efficient implementation of the LLaMA model, designed to work with quantized weights. It's ideal for developers looking to run large language models on hardware with limited resources.

ExLlama stands out as a memory-efficient alternative for running LLaMA models, making it ideal for developers working with hardware constraints.

When it fits — and when it doesn’t

A good fit for

  • Teams working with LLaMA models who need to optimize memory usage

  • Developers building applications on devices with limited RAM

  • Researchers testing large language models on budget-friendly hardware

Look elsewhere if

  • Projects requiring real-time performance and high throughput

  • Applications that demand the highest accuracy from large language models without any trade-offs in resource consumption

Known weaknesses

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

  1. 01

    Limited support for non-quantized models

    ExLlama is specifically optimized for quantized weights, which may limit its use with other model formats or configurations that are not quantized.

  2. 02

    Performance degradation on certain hardware

    While ExLlama is designed to work well with limited resources, it can exhibit performance issues when run on older or less powerful GPUs due to its reliance on specific optimizations that may not be fully supported.

  3. 03

    Documentation lacks depth and examples

    The documentation provided is brief and lacks comprehensive tutorials, making it difficult for new users to understand how to effectively use ExLlama in various scenarios.

  4. 04

    Community support is relatively small

    Given that ExLlama is a niche tool focused on memory-efficient LLaMA models, the community around it is smaller compared to more mainstream tools, which can limit the availability of user support and third-party contributions.

What it does well

  • Memory-efficient implementation of LLaMA models

  • Support for quantized weights to reduce memory usage

  • Optimized for running on hardware with limited resources

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 exllama

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

Open the setup guide →
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