Grok 3 BetavsHorizon Alpha
Horizon Alpha is cheaper than Grok 3 Beta at $0/M vs $2/M input tokens.
| Spec | Grok 3 Beta | Horizon Alpha |
|---|---|---|
| Input price | $2/M tokens | Free |
| Output price | $4/M tokens | Free |
| Context window | 131K tokens | 256K tokens |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Jul 2025 |
Our Verdict
Grok 3 Beta
Horizon Alpha
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
Grok 3 Beta
Input
$2.00
Output
$4.00
Horizon Alpha
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
51%
Grok 3 Beta uses 309.2x more bold
Grok 3 Beta
Horizon Alpha
51%Vocabulary65%
19wSentence Length14w
0.59Hedging0.22
3.1Bold0.0
5.0Lists3.5
0.00Emoji0.00
0.50Headings0.00
0.28Transitions0.12
Based on 28 + 14 text responses
Research
What we learned reading every model
FAQ
Common questions
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