GLM 5.1vsGrok 4.3
Grok 4.3 is cheaper than GLM 5.1 at $1.25/M vs $1.4/M input tokens.
| Spec | GLM 5.1 | Grok 4.3 |
|---|---|---|
| Input price | $1.4/M tokens | $1.25/M tokens |
| Output price | $4.4/M tokens | $2.5/M tokens |
| Context window | 203K tokens | 1.0M tokens |
| Released | Apr 2026 | May 2026 |
Our Verdict
Grok 4.3
GLM 5.1Runner-up
Not enough votes to call it. On the specs, Grok 4.3 has the edge: bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
GLM 5.1
Input
$1.40
Output
$4.40
Grok 4.3
Input
$1.25
1.1× cheaper
Output
$2.50
1.8× cheaper
Grok 4.3 is cheaper on both — 1.1× input, 1.8× output
Writing DNA
Style Comparison
Similarity
67%
GLM 5.1 uses 1.6x more bold
GLM 5.1
Grok 4.3
54%Vocabulary62%
18wSentence Length16w
0.31Hedging0.46
3.6Bold2.3
2.6Lists2.5
0.00Emoji0.00
0.43Headings0.34
0.11Transitions0.14
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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