Compare · ModelsLive · 2 picked · head to head
GLM 5.3 vs GPT-6 Luna
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.3 wins on 4/6 benchmarks
GLM 5.3 wins 4 of 6 shared benchmarks. Leads in speed.
Category leads
speed·GLM 5.3
Hype vs Reality
Attention vs performance
GLM 5.3
#80 by perf·#3 by attention
GPT-6 Luna
no bench·#2 by attention
Vendor risk
Who is behind the model
z-ai
private · undisclosed
OpenAI
$840.0B·Tier 1
Head to head
6 benchmarks · 2 models
GLM 5.3GPT-6 Luna
Artificial Analysis · CritPt
GPT-6 Luna leads by +0.3
GLM 5.3
19.1
GPT-6 Luna
19.4
Artificial Analysis · GDPval
GLM 5.3 leads by +10.9
GLM 5.3
57.8
GPT-6 Luna
46.9
Artificial Analysis · Humanity's Last Exam
GLM 5.3 leads by +3.8
GLM 5.3
42.3
GPT-6 Luna
38.5
Artificial Analysis · Long Context Reasoning
GPT-6 Luna leads by +3.6
GLM 5.3
79.7
GPT-6 Luna
83.3
Artificial Analysis · Quality Index
GLM 5.3 leads by +6.7
GLM 5.3
44.8
GPT-6 Luna
38.1
Artificial Analysis · SciCode
GLM 5.3 leads by +4.4
GLM 5.3
59.0
GPT-6 Luna
54.6
Full benchmark table
| Benchmark | GLM 5.3 | GPT-6 Luna |
|---|---|---|
Artificial Analysis · CritPt | 19.1 | 19.4 |
Artificial Analysis · GDPval | 57.8 | 46.9 |
Artificial Analysis · Humanity's Last Exam | 42.3 | 38.5 |
Artificial Analysis · Long Context Reasoning | 79.7 | 83.3 |
Artificial Analysis · Quality Index | 44.8 | 38.1 |
Artificial Analysis · SciCode | 59.0 | 54.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.40 | $4.40 | 1.0M tokens (~524 books) | $21.50 | |
| $0.10 | $0.50 | 1.1M tokens (~525 books) | $2.00 |