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Compare LLM Performance In Real-Time

Evaluate and analyze different language models side by side. Test prompts, compare outputs, and make data-driven decisions.

> Comparing models...

> GPT-4: 98% accuracy

> Claude: 96% accuracy

> Analysis in progress...

Powerful Features

Compare and analyze language models with precision

Real-time Comparison

Compare multiple LLM responses side by side with instant performance metrics and analysis.

Prompt Templates

Access and customize pre-built prompt templates for consistent testing across models.

Performance Analytics

Detailed metrics and insights on response quality, speed, and consistency.

Custom Parameters

Fine-tune model parameters and test different configurations to optimize performance for your specific use case.

Export & Share

Export comparison results in multiple formats and share insights with your team effortlessly.

Interactive Prompt Playground

Test and compare different LLM responses in real-time

Results Comparison

GPT-4 98% Match
Claude 95% Match

Performance Metrics

23ms
Response Time
98%
Accuracy
High
Consistency

Evaluation Metrics

Comprehensive analysis tools to measure LLM performance

Response Speed

GPT-4 95ms
Claude 120ms

Accuracy Score

85%

Token Usage

Input Tokens 1,234
Output Tokens 2,567
Total Cost $0.0234

Comparative Analysis

Model Response Time Accuracy Cost/1K Tokens
GPT-4 95ms 98% $0.03
Claude 120ms 96% $0.02

Interactive Dashboard

Real-time comparison and analysis tools

Active Models

GPT-4
Claude
PaLM

Quick Stats

2.3s
Avg. Response
96%
Accuracy

Response Comparison

GPT-4
2.1s

"The implementation of quantum computing in cryptography presents both opportunities and challenges..."

98% Confidence Technical
Claude
2.4s

"Quantum computing's impact on modern cryptography systems introduces several considerations..."

95% Confidence Technical

Analysis Summary

Semantic Similarity
92%

Documentation

Everything you need to get started with LLM Compare

Getting Started

Quick Start Guide

npm install llm-compare
# or
yarn add llm-compare

Basic Usage

import { LLMCompare } from 'llm-compare';

const compare = new LLMCompare({
  models: ['gpt-4', 'claude'],
  apiKey: 'your-api-key'
});
1
Sign Up for API Access

Create an account and obtain your API keys from the dashboard.

2
Configure Your Environment

Set up your environment variables and initialize the client.

3
Make Your First Comparison

Start comparing LLM responses using our simple API.

Complete Example

const result = await compare.evaluate({
  prompt: "Explain quantum computing",
  metrics: ["accuracy", "speed", "coherence"],
  format: "json"
});
Need Help?

Join our Discord community or check out our GitHub repository for more examples and support.

Simple, Transparent Pricing

Choose the perfect plan for your LLM comparison needs

Starter

Perfect for individual developers

$0 /month
  • 100 comparisons/month
  • 2 LLM models
  • Basic analytics
Most Popular

Pro

For professional developers

$49 /month
  • Unlimited comparisons
  • All LLM models
  • Advanced analytics
  • API access

Enterprise

For large organizations

Custom
  • Custom deployment
  • Dedicated support
  • SLA guarantees
  • Custom integrations

All plans include

SSL Security 99.9% Uptime 24/7 Support