Compare · ModelsLive · 2 picked · head to head
GPT-5 Chat vs GLM 5.2
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.2 wins on 1/1 benchmarks
GLM 5.2 wins 1 of 1 shared benchmarks. Leads in arena.
Category leads
arena·GLM 5.2
Hype vs Reality
Attention vs performance
GPT-5 Chat
#3 by perf·#1 by attention
GLM 5.2
#11 by perf·no signal
Best value
GLM 5.2
2.1x better value than GPT-5 Chat
GPT-5 Chat
14.6 pts/$
$5.63/M
GLM 5.2
30.5 pts/$
$2.50/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
z-ai
private · undisclosed
Head to head
1 benchmark · 2 models
GPT-5 ChatGLM 5.2
Chatbot Arena Elo · Overall
GLM 5.2 leads by +44.4
GPT-5 Chat
1426.6
GLM 5.2
1471.0
Full benchmark table
| Benchmark | GPT-5 Chat | GLM 5.2 |
|---|---|---|
Chatbot Arena Elo · Overall | 1426.6 | 1471.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.25 | $10.00 | 128K tokens (~64 books) | $34.38 | |
| $1.00 | $4.00 | 1.0M tokens (~524 books) | $17.50 |