Gemini 3.5 Flash vs GLM-4.5
Google vs Zhipu AI — benchmarks, pricing, and capabilities side by side.
- •Gemini 3.5 Flash has the higher intelligence index (92.2 vs 73)
- •GLM-4.5 is cheaper ($0.60 vs $1.50 per 1M input)
- •Gemini 3.5 Flash is faster
- •Gemini 3.5 Flash has a larger context window (1M)
| Gemini 3.5 Flash | GLM-4.5 | |
|---|---|---|
| Intelligence index | 92.2 | 73 |
| Developer | Zhipu AI | |
| Type | Multimodal | LLM |
| Access | API only | Open weights |
| Context window | 1,048,576 tokens | 131,072 tokens |
| Input price | $1.50 / 1M | $0.60 / 1M |
| Output price | $9.00 / 1M | $2.20 / 1M |
| Speed | 221 tok/s | 85 tok/s |
| Released | May 19, 2026 | July 28, 2025 |
| Parameters | — | 355B (32B active) |
| Input modalities | Text, Image, Audio, Video | Text |
| Output modalities | Text | Text |
Shared benchmarks
Gemini 3.5 Flash
GLM-4.5
GPQA Diamond
92.2
79.1
Humanity’s Last Exam
41
14.4