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AI Tool Comparison
Z.ai vs Gemini
A side-by-side breakdown to help you pick the right tool for your workflow.
Z.ai
Access GLM-5.2 (1M token context, MIT-licensed) plus CogVideoX and CogView3 from one API — frontier-class language, video, and image generation at highly competitive prices.
Models
freemium
Gemini
Google's flagship model handles research, coding, long-document analysis, and multimodal tasks, and it's woven into every corner of Google Workspace.
Research
freemium
| Attribute | Z.ai | Gemini |
|---|---|---|
| Category | Models | Research |
| Pricing | freemium | freemium |
| Pricing Detail | Free credits / From $0.03/M tokens (GLM-5.2) | Free / $19.99/mo Google AI Pro / $99.99/mo Google AI Ultra |
| Rating | ★ 4.4(2,600 reviews) | ★ 4.6(22,000 reviews) |
Key Features
Z.ai
- GLM-4 with 128K context window for long-document processing
- Multimodal input — text, image, and video understanding in one model
- CogVideoX for high-quality text-to-video generation
- CogView3 for photorealistic text-to-image
- GLM-4-Voice for natural speech synthesis and understanding
- Competitive API pricing well below comparable Western frontier models
Gemini
- 2M token context window
- Google Search grounding
- Multimodal (text, image, audio, video)
- Google Workspace integration
- Deep Research mode
Pros
Z.ai
- •Single API key for language, image, video, and voice — rare in the category
- •GLM-4 handles Chinese-language tasks at a level no Western model matches
- •Among the cheapest frontier-model pricing per token
Gemini
- •Largest context window of any consumer AI
- •Real-time Google Search integration
- •Excellent for long-document analysis
- •Native in Gmail, Docs, Sheets
Cons
Z.ai
- English reasoning trails GPT-4o and Claude 3.5 on complex tasks
- Smaller English-language community than OpenAI or Anthropic
- Documentation and support are primarily in Chinese
Gemini
- Can feel less conversational than Claude
- Advanced features require paid plan
- Less popular for creative writing than competitors