GPT-3.5 Turbo vs o1
Compare GPT-3.5 Turbo and o1, both from OpenAI, context windows of 16K vs 128K, tested across 53 shared challenges.
Our Verdict
o1
GPT-3.5 TurboRunner-up
No community votes yet. On paper, o1 has the edge — newer, bigger context window.
GPT-3.5 Turbo is 30x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-3.5 Turbo
Input
$1.50
10× cheaper
Output
$2.00
30× cheaper
o1
Input
$15.00
Output
$60.00
GPT-3.5 Turbo is cheaper on both — 10× input, 30× output
Writing DNA
Style Comparison
Similarity
73%
o1 uses 503.7x more bold
GPT-3.5 Turbo
o1
61%Vocabulary64%
16wSentence Length16w
0.23Hedging0.76
0.0Bold5.0
3.7Lists2.6
0.00Emoji0.00
0.00Headings0.44
0.38Transitions0.40
Based on 11 + 13 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
