Open LLM Leaderboard

Track and evaluate the latest LLMs and chatbots.

DecliningOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is Open LLM Leaderboard?

Aims to track, rank, and evaluate language models and chatbots as they are released. Provides insights into model performance and capabilities over time.

Key differentiator

The Open LLM Leaderboard provides a unique platform for tracking and evaluating the performance of language models and chatbots over time, offering researchers and developers an invaluable resource for staying informed about advancements in natural language processing.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Tracks and ranks the latest LLMsmedium

Provides detailed evaluations of model performancemedium

Visualizes trends in language model capabilities over timemedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited language model support beyond Englishhigh

Evaluation metrics and benchmarks are primarily designed for English-language models

Expensive at scale due to API rate limitsmedium

High-volume users may incur additional costs or face performance bottlenecks due to strict API rate limiting

Fit analysis

Who is it for?

✓ Best for

Research teams needing a comprehensive overview of model performance trends

Developers who want to stay updated on the latest advancements in language models and chatbots

Benchmarking new chatbot implementations against existing industry standards

✕ Not a fit for

Teams requiring real-time data processing capabilities not covered by leaderboard evaluations

Projects needing detailed, granular insights into individual model architectures rather than comparative rankings

Cost structure

Pricing

Free Tier

Available

Starts at

Freemium

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with Open LLM Leaderboard

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →