King Cobra
LLM Arena
One prompt. Multiple AI models. One judge.
Every response scored across 6 quality dimensions.
01
Parallel Calls
All models get your prompt simultaneously
02
Collect Results
Speed & tokens tracked per provider
03
Blind Judging
Claude Sonnet scores each response blindly
04
Leaderboard
Ranked results + charts + PDF report
API Keys
Sent directly to each provider. Never stored.
Select Models
Pick 2 or more to compare.
⚔️ Enter the Arena
King Cobra
LLM Arena
AI MODEL COMPARISON ENGINE
📄 PDF Report
← Reset
Test Prompt
⚔️ Run Benchmark
🏆 Leaderboard
Responses
Radar Chart
Dimension Bars
Speed & Metrics
🐍 King Cobra LLM Arena v1.0
Keys stay local · Judge: Claude Sonnet