Gemini 3.5 Flash vs GLM 4.5 Air
Google vs Zhipu AI — benchmarks, pricing, and capabilities side by side.
- •Gemini 3.5 Flash has the higher intelligence index (92.2 vs 70.4)
- •GLM 4.5 Air is cheaper ($0.13 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 Air | |
|---|---|---|
| Intelligence index | 92.2 | 70.4 |
| 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 | $0.13 / 1M |
| Output price | $9.00 / 1M | $0.85 / 1M |
| Speed | 221 tok/s | 63 tok/s |
| Released | May 19, 2026 | July 25, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image, Audio, Video | Text |
| Output modalities | Text | Text |
Shared benchmarks
Gemini 3.5 Flash
GLM 4.5 Air
GPQA Diamond
92.2
75
Humanity’s Last Exam
41
10.6