Grok 3 Beta vs o1
Compare Grok 3 Beta by xAI against o1 by OpenAI, context windows of 131K vs 128K, tested across 54 shared challenges. Updated May 2026.
Which is better, Grok 3 Beta or o1?
Grok 3 Beta and o1 are both competitive models. Grok 3 Beta costs $2/M input tokens vs $15/M for o1. Context windows: 131K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Beta and o1
Grok 3 Beta is made by xai while o1 is from openai. Grok 3 Beta has a 131K token context window compared to o1's 128K. On pricing, Grok 3 Beta costs $2/M input tokens vs $15/M for o1.
API pricing
Per 1M tokens
Grok 3 Beta
Input
$2.00
7.5× cheaper
Output
$4.00
15× cheaper
o1
Input
$15.00
Output
$60.00
Grok 3 Beta is cheaper on both — 7.5× input, 15× output
Our Verdict
Grok 3 Beta
o1Runner-up
No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, newer.
Grok 3 Beta is 15x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
49%
Grok 3 Beta uses 2.2x more lists
Grok 3 Beta
o1
48%Vocabulary64%
19wSentence Length16w
0.67Hedging0.76
3.1Bold5.0
5.5Lists2.6
0.00Emoji0.00
0.52Headings0.44
0.28Transitions0.40
Based on 23 + 13 text responses
FAQ
