Grok 3 Thinking vs xAI: Grok 4.3
Compare Grok 3 Thinking and xAI: Grok 4.3, both from xAI, context windows of 128K vs 1.0M, tested across 13 shared challenges.
Our Verdict
Grok 3 Thinking
xAI: Grok 4.3
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 Thinking
Input
—
Output
—
xAI: Grok 4.3
Input
$1.25
Output
$2.50
Writing DNA
Style Comparison
Similarity
47%
Grok 3 Thinking uses 2.4x more hedging
Grok 3 Thinking
xAI: Grok 4.3
46%Vocabulary62%
19wSentence Length16w
1.11Hedging0.46
3.3Bold2.3
2.6Lists2.5
0.00Emoji0.00
0.64Headings0.34
0.25Transitions0.14
Based on 6 + 27 text responses
Research
What we learned reading every model
FAQ
