DeepSeek vs Z.ai
A side-by-side comparison of DeepSeek and Z.ai, two Assistant tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | DeepSeek | Z.ai |
|---|---|---|
| Category | Assistant | Assistant |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms (differs) | Web, iOS, Android | Web, API |
| Model support | Single model (proprietary) | Single model (proprietary) |
| Vendor (differs) | DeepSeek | Z.ai (Zhipu AI) |
| Capabilities (differs) |
|
|
The honest brief
DeepSeek
Open-weight R1 reset the price-for-reasoning curve, and the consumer app stays free with strong reasoning.
- Reasoning mode (R1)
- Self-hostable open weights
- Web search built in
- Mobile and web apps
- China-hosted data concerns
- Content restrictions on sensitive topics
- Smaller app polish than rivals
Z.ai
GLM-5 benchmarks near Claude Opus-class models at roughly 5–8x lower API price, and its weights are MIT-licensed for self-hosting.
- Free GLM-5 chat with reasoning modes
- OpenAI-compatible API for developers
- Agentic modes built in
- Trained without NVIDIA hardware
- China-hosted data concerns
- Younger international ecosystem
- English UX less polished than rivals
When to pick which
Pick DeepSeek if you need Chat with documents and Summarization.
- Chat with documents (primary capability)
- Summarization (secondary capability)
Pick Z.ai if you need Autonomous coding agent and Model inference / serving.
- Autonomous coding agent (secondary capability)
- Model inference / serving (primary capability)
They also differ on:
- Platforms
- Web, iOS, Android · Web, API