Gemini 1.5 Pro vs GPT-3.5 Turbo
Compare Gemini 1.5 Pro by Google AI against GPT-3.5 Turbo by OpenAI, context windows of 1.0M vs 16K, tested across 18 shared challenges.
Our Verdict
Gemini 1.5 Pro
GPT-3.5 TurboRunner-up
No community votes yet. On paper, Gemini 1.5 Pro has the edge — bigger model tier, newer, bigger context window.
GPT-3.5 Turbo is 5.3x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Gemini 1.5 Pro
Input
$3.50
Output
$10.50
GPT-3.5 Turbo
Input
$1.50
2.3× cheaper
Output
$2.00
5.3× cheaper
GPT-3.5 Turbo is cheaper on both — 2.3× input, 5.3× output
Writing DNA
Style Comparison
Similarity
59%
Gemini 1.5 Pro uses 365.8x more bold
Gemini 1.5 Pro
GPT-3.5 Turbo
61%Vocabulary61%
15wSentence Length16w
0.80Hedging0.23
3.7Bold0.0
3.3Lists3.7
0.00Emoji0.00
0.08Headings0.00
0.09Transitions0.38
Based on 8 + 11 text responses
Research
What we learned reading every model
FAQ
