GLM 4.7 Flash vs GPT-5.4
Compare GLM 4.7 Flash by Zhipu AI against GPT-5.4 by OpenAI, context windows of 200K vs 1.1M, tested across 53 shared challenges.
Our Verdict
GPT-5.4
GLM 4.7 FlashRunner-up
No community votes yet. On paper, GPT-5.4 has the edge — bigger model tier, newer, bigger context window.
GLM 4.7 Flash is 38x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
GLM 4.7 Flash
Input
$0.07
36× cheaper
Output
$0.40
38× cheaper
GPT-5.4
Input
$2.50
Output
$15.00
GLM 4.7 Flash is cheaper on both — 36× input, 38× output
Writing DNA
Style Comparison
Similarity
46%
GLM 4.7 Flash uses 6.9x more transitions
GLM 4.7 Flash
GPT-5.4
52%Vocabulary54%
15wSentence Length28w
0.33Hedging0.69
5.8Bold4.1
4.7Lists8.1
0.00Emoji0.00
0.68Headings1.84
0.13Transitions0.02
Based on 19 + 22 text responses
Research
What we learned reading every model
FAQ
