GPT-5 Pro vs Seed 2.0 Lite
Compare GPT-5 Pro by OpenAI against Seed 2.0 Lite by ByteDance, context windows of 400K vs 262K, tested across 41 shared challenges.
Our Verdict
GPT-5 Pro
Seed 2.0 LiteRunner-up
No community votes yet. On paper, GPT-5 Pro has the edge — bigger model tier, bigger context window, major provider backing.
Seed 2.0 Lite is 60x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5 Pro
Input
$15.00
Output
$120.00
Seed 2.0 Lite
Input
$0.25
60× cheaper
Output
$2.00
60× cheaper
Seed 2.0 Lite is cheaper on both — 60× input, 60× output
Writing DNA
Style Comparison
Similarity
61%
Seed 2.0 Lite uses 90.1x more bold
GPT-5 Pro
Seed 2.0 Lite
65%Vocabulary53%
15wSentence Length31w
0.32Hedging0.28
0.0Bold0.9
2.9Lists1.7
0.00Emoji0.00
0.00Headings1.27
0.01Transitions0.05
Based on 11 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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