Evaluation & Testing

llm-info

Comprehensive information on LLM models including token limits and pricing.

Status
Generally available
Last checked
Checked · Oct 12, 2026
License
Open source
Pricing
Free tier · from $0

What it is

llm-info provides detailed insights into various Language Model (LLM) parameters such as context window size, output token limit, and pricing. It serves as a critical resource for developers and researchers looking to understand the capabilities and costs associated with different LLMs.

llm-info stands out as an open-source, regularly updated resource that provides comprehensive and accessible information on various LLMs, making it a go-to reference for developers and researchers alike.

When it fits — and when it doesn’t

A good fit for

  • Teams evaluating multiple LLMs to understand pricing and performance trade-offs.

  • Individual developers looking for a quick reference on model specifications.

Look elsewhere if

  • Users requiring real-time updates or interactive features beyond static data retrieval.

  • Projects needing detailed technical support or customer service.

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/TypeScript

    The primary language is JavaScript and the TypeScript SDK is community-maintained, which may not cover all use cases for developers working in other languages.

  2. 02

    Frequent breaking changes between versions

    v0.1 to v0.2 migration required rewriting chain definitions, causing disruptions and additional work for users needing to update their implementations.

  3. 03

    Documentation is sparse and lacks examples

    The official documentation provides basic API references but lacks comprehensive guides or practical examples to help new users quickly get up to speed with the tool's capabilities.

  4. 04

    Performance issues under high load

    Users have reported slow response times and occasional timeouts when querying large datasets or multiple LLMs simultaneously, impacting productivity during intensive research or development phases.

What it does well

  • Detailed model information including token limits and pricing.

  • Regularly updated with the latest LLM data.

  • Accessible via npm package for easy integration.

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

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Set up llm-info

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

Open the setup guide →
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