Claude 3 Haiku vs xAI: Grok 4.3
Compare Claude 3 Haiku by Anthropic against xAI: Grok 4.3 by xAI, context windows of 200K vs 1.0M, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.3
Claude 3 HaikuRunner-up
No community votes yet. On paper, xAI: Grok 4.3 has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
Claude 3 Haiku
Input
$0.25
5.0× cheaper
Output
$1.25
2.0× cheaper
xAI: Grok 4.3
Input
$1.25
Output
$2.50
Claude 3 Haiku is cheaper on both — 5.0× input, 2.0× output
Writing DNA
Style Comparison
Similarity
63%
xAI: Grok 4.3 uses 34.1x more headings
Claude 3 Haiku
xAI: Grok 4.3
50%Vocabulary62%
22wSentence Length16w
0.71Hedging0.46
0.3Bold2.3
5.9Lists2.5
0.00Emoji0.00
0.00Headings0.34
0.08Transitions0.14
Based on 13 + 27 text responses
Research
What we learned reading every model
FAQ
