Grok 3 vs Horizon Beta
Compare Grok 3 by xAI against Horizon Beta by OpenRouter, context windows of 128K vs 256K, tested across 40 shared challenges.
Our Verdict
Grok 3
Horizon Beta
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Grok 3
Input
—
Output
—
Horizon Beta
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
65%
Grok 3 uses 246.4x more bold
Grok 3
Horizon Beta
49%Vocabulary62%
18wSentence Length15w
0.94Hedging0.24
2.5Bold0.0
3.0Lists2.2
0.04Emoji0.00
0.65Headings0.00
0.08Transitions0.18
Based on 17 + 16 text responses
Research
What we learned reading every model
FAQ
Common questions
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