GLM 4.6vsOpenAI o4 Mini High
GLM 4.6 is cheaper than OpenAI o4 Mini High at $0.4/M vs $1.1/M input tokens.
| Spec | GLM 4.6 | OpenAI o4 Mini High |
|---|---|---|
| Input price | $0.4/M tokens | $1.1/M tokens |
| Output price | $1.75/M tokens | $4.4/M tokens |
| Context window | 203K tokens | 200K tokens |
| Released | Sep 2025 | Apr 2025 |
| SWE-bench Verified | 68.0% | 68.1% |
Our Verdict
GLM 4.6
OpenAI o4 Mini HighRunner-up
Not enough votes to call it. On the specs, GLM 4.6 has the edge: bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
GLM 4.6
Input
$0.40
2.8× cheaper
Output
$1.75
2.5× cheaper
OpenAI o4 Mini High
Input
$1.10
Output
$4.40
GLM 4.6 is cheaper on both — 2.8× input, 2.5× output
Writing DNA
Style Comparison
Similarity
44%
GLM 4.6 uses 516.4x more bold
GLM 4.6
OpenAI o4 Mini High
52%Vocabulary70%
14wSentence Length18w
0.29Hedging0.33
5.2Bold0.0
3.2Lists1.3
0.18Emoji0.02
0.57Headings0.00
0.09Transitions0.04
Based on 22 + 14 text responses
Research
What we learned reading every model
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