GPT-3.5 Turbo vs xAI: Grok 4
Compare GPT-3.5 Turbo by OpenAI against xAI: Grok 4 by xAI, context windows of 16K vs 256K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4
GPT-3.5 TurboRunner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, newer, bigger context window.
GPT-3.5 Turbo is 7.5x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GPT-3.5 Turbo
Input
$1.50
2.0× cheaper
Output
$2.00
7.5× cheaper
xAI: Grok 4
Input
$3.00
Output
$15.00
GPT-3.5 Turbo is cheaper on both — 2.0× input, 7.5× output
Writing DNA
Style Comparison
Similarity
40%
xAI: Grok 4 uses 267.9x more bold
GPT-3.5 Turbo
xAI: Grok 4
61%Vocabulary53%
16wSentence Length18w
0.23Hedging0.67
0.0Bold2.7
3.7Lists2.7
0.00Emoji0.07
0.00Headings0.86
0.38Transitions0.04
Based on 11 + 21 text responses
Research
What we learned reading every model
FAQ
