Evaluation & Testing

llm-cost

Calculate the cost of running large language models.

Status
Not yet determined
Last checked
Unverified
License
Open source
Pricing
Free tier · from $0

What it is

A tool to estimate and manage costs associated with running large language models. Helps developers understand financial implications before deployment.

The only open-source tool specifically designed for estimating costs associated with running large language models, offering transparency and planning support.

When it fits — and when it doesn’t

A good fit for

  • Developers who need to estimate costs of running large language models in their projects

  • Data scientists looking to understand financial implications of model deployment

Look elsewhere if

  • Teams needing real-time cost updates during runtime (estimates are pre-deployment)

  • Projects with complex multi-model deployments requiring detailed per-model costing

Known weaknesses

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

  1. 01

    Limited language support beyond JavaScript

    The tool is primarily built for JavaScript and lacks robust support for other languages like Python or Go.

  2. 02

    Poor documentation for advanced features

    Documentation is sparse on how to configure custom cost models, leaving users to reverse-engineer the codebase.

  3. 03

    Performance issues with large datasets

    Estimation processes become slow and resource-intensive when dealing with extensive model deployment scenarios.

  4. 04

    Complex setup for new users

    Initial configuration requires setting up multiple environment variables and dependencies which can be overwhelming.

What it does well

  • Estimate costs for running large language models

  • Helps in budget planning and cost management

  • Provides insights into financial implications of model deployment

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 llm-cost

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

Open the setup guide →