Compare · ModelsLive · 2 picked · head to head
Grok 4.20 vs GLM 5.1
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.1 wins on 1/1 benchmarks
GLM 5.1 wins 1 of 1 shared benchmarks. Leads in coding.
Category leads
coding·GLM 5.1
Hype vs Reality
Attention vs performance
Grok 4.20
#35 by perf·no signal
GLM 5.1
#56 by perf·no signal
Best value
Grok 4.20
1.2x better value than GLM 5.1
Grok 4.20
35.3 pts/$
$1.88/M
GLM 5.1
29.9 pts/$
$2.00/M
Vendor risk
Who is behind the model
xAI
$250.0B·Tier 1
z-ai
private · undisclosed
Head to head
1 benchmark · 2 models
Grok 4.20GLM 5.1
WeirdML
GLM 5.1 leads by +4.8
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Grok 4.20
52.3
GLM 5.1
57.1
Full benchmark table
| Benchmark | Grok 4.20 | GLM 5.1 |
|---|---|---|
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 52.3 | 57.1 |
Pricing · per 1M tokens · projected $/mo at 10M tokens