GLM-5.3 vs GPT-6 Astra
Which is the better AI model in 2026? Here's how they compare.
Capability profile
Artificial Analysis indices (0–100). Missing dimensions show as 0.
Head to head
GLM-5.3
GPT-6 Astra
Intelligence
—
52.7
Coding
—
76.9
Math
—
—
Context window
1,000,000
1,050,000
Output price
$4.4/1M
$50/1M
Input price
$1.4/1M
$10/1M
Speed (t/s)
—
58
Knowledge cutoff
—
2026-04-30
Open weights
Yes
No
Compare more on the AI models hub.