Compare · ModelsLive · 2 picked · head to head
GLM 5.1 vs Grok 4.20
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
GLM 5.1
#56 by perf·no signal
Grok 4.20
#35 by perf·no signal
Best value
Grok 4.20
1.2x better value than GLM 5.1
GLM 5.1
29.9 pts/$
$2.00/M
Grok 4.20
35.3 pts/$
$1.88/M
Vendor risk
Who is behind the model
z-ai
private · undisclosed
xAI
$250.0B·Tier 1
Head to head
1 benchmark · 2 models
GLM 5.1Grok 4.20
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.
GLM 5.1
57.1
Grok 4.20
52.3
Full benchmark table
| Benchmark | GLM 5.1 | Grok 4.20 |
|---|---|---|
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 57.1 | 52.3 |
Pricing · per 1M tokens · projected $/mo at 10M tokens