Grok 3 vs Sonar Pro Search
Compare Grok 3 by xAI against Sonar Pro Search by Perplexity, context windows of 128K vs 200K, tested across 52 shared challenges. Updated May 2026.
Which is better, Grok 3 or Sonar Pro Search?
Grok 3 and Sonar Pro Search are both competitive models. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 and Sonar Pro Search
Grok 3 is made by xai while Sonar Pro Search is from perplexity. Grok 3 has a 128K token context window compared to Sonar Pro Search's 200K.
API pricing
Per 1M tokens
Grok 3
Input
—
Output
—
Sonar Pro Search
Input
$3.00
Output
$15.00
Our Verdict
Grok 3
Sonar Pro Search
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
Writing DNA
Style Comparison
Similarity
63%
Grok 3 uses 3.9x more emoji
Grok 3
Sonar Pro Search
49%Vocabulary60%
18wSentence Length22w
0.94Hedging0.30
2.5Bold2.7
3.0Lists2.6
0.04Emoji0.00
0.65Headings2.08
0.08Transitions0.07
Based on 17 + 25 text responses
FAQ
