Claude 3 OpusvsGrok 3 Beta
Grok 3 Beta is cheaper than Claude 3 Opus at $2/M vs $15/M input tokens.
| Spec | Claude 3 Opus | Grok 3 Beta |
|---|---|---|
| Input price | $15/M tokens | $2/M tokens |
| Output price | $75/M tokens | $4/M tokens |
| Context window | 200K tokens | 131K tokens |
| Parameters | Not disclosed | Not disclosed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2024 | Apr 2025 |
| GPQA | 50.4% | High |
Our Verdict
Claude 3 Opus
Grok 3 Beta
Not enough votes to call it. On the specs, nothing separates them.
Grok 3 Beta costs 19x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Opus
Input
$15.00
Output
$75.00
Grok 3 Beta
Input
$2.00
7.5× cheaper
Output
$4.00
19× cheaper
Grok 3 Beta is cheaper on both: 7.5× input, 19× output.
Writing DNA
Style Comparison
Similarity
55%
Grok 3 Beta uses 309.2x more bold
Claude 3 Opus
Grok 3 Beta
54%Vocabulary51%
14wSentence Length19w
0.48Hedging0.59
0.0Bold3.1
3.0Lists5.0
0.00Emoji0.00
0.00Headings0.50
0.06Transitions0.28
Based on 3 + 28 text responses
Research
What we learned reading every model
FAQ
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