OpenAI: GPT-5.6 Terra vs Qwen3.5 9B
Compare OpenAI: GPT-5.6 Terra by OpenAI against Qwen3.5 9B by Qwen, context windows of 1.1M vs 262K, tested across 52 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Terra
Qwen3.5 9BRunner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Terra has the edge — bigger model tier, newer, bigger context window, major provider backing.
Qwen3.5 9B is 100x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Terra
Input
$2.50
Output
$15.00
Qwen3.5 9B
Input
$0.10
25× cheaper
Output
$0.15
100× cheaper
Qwen3.5 9B is cheaper on both — 25× input, 100× output
Writing DNA
Style Comparison
Similarity
39%
Qwen3.5 9B uses 2.5x more bold
OpenAI: GPT-5.6 Terra
Qwen3.5 9B
57%Vocabulary47%
18wSentence Length15w
0.85Hedging0.41
2.8Bold6.9
4.6Lists4.8
0.00Emoji0.00
1.12Headings0.91
0.06Transitions0.12
Based on 27 + 21 text responses
Research
What we learned reading every model
FAQ
