GLM 4.6V vs GPT-5.3-Codex
Zhipu AI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.3-Codex has the higher intelligence index (91.5 vs 69.6)
- •GLM 4.6V is cheaper ($0.30 vs $1.75 per 1M input)
- •GPT-5.3-Codex is faster
- •GPT-5.3-Codex has a larger context window (400K)
| GLM 4.6V | GPT-5.3-Codex | |
|---|---|---|
| Intelligence index | 69.6 | 91.5 |
| Developer | Zhipu AI | OpenAI |
| Type | Multimodal | Multimodal |
| Access | Open weights | API only |
| Context window | 131,072 tokens | 400,000 tokens |
| Input price | $0.30 / 1M | $1.75 / 1M |
| Output price | $0.90 / 1M | $14.00 / 1M |
| Speed | 44 tok/s | 73 tok/s |
| Released | December 8, 2025 | February 24, 2026 |
| Parameters | — | — |
| Input modalities | Image, Text, Video | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
GLM 4.6V
GPT-5.3-Codex
GPQA Diamond
71.9
91.5
Humanity’s Last Exam
8.9
39.9