GPT-5.3 Chat vs Amazon Nova 2 Lite
Compare GPT-5.3 Chat by OpenAI against Amazon Nova 2 Lite by Amazon, context windows of 128K vs 1.0M, tested across 34 shared challenges.
Our Verdict
GPT-5.3 Chat
Amazon Nova 2 LiteRunner-up
No community votes yet. On paper, GPT-5.3 Chat has the edge — bigger model tier, newer, major provider backing.
Amazon Nova 2 Lite is 9.3x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.3 Chat
Input
$1.75
Output
$14.00
Amazon Nova 2 Lite
Input
$0.50
3.5× cheaper
Output
$1.50
9.3× cheaper
Amazon Nova 2 Lite is cheaper on both — 3.5× input, 9.3× output
Writing DNA
Style Comparison
Similarity
34%
Amazon Nova 2 Lite uses 59.0x more emoji
GPT-5.3 Chat
Amazon Nova 2 Lite
59%Vocabulary55%
26wSentence Length17w
0.84Hedging0.38
1.7Bold8.6
6.6Lists3.9
0.00Emoji0.59
0.00Headings1.48
0.25Transitions0.12
Based on 23 + 14 text responses
Research
What we learned reading every model
FAQ
