Grok vs GLM / Z.ai (Zhipu AI)
Which one should you pick? Here's the full breakdown.
Grok
xAI's irreverent chatbot with a direct line to X/Twitter -- real-time data meets unfiltered personality
GLM / Z.ai (Zhipu AI)
Zhipu AI's open-weights family -- GLM-4.6 text flagship and GLM-4.6V multimodal, true MIT licensed
| Category | Grok | GLM / Z.ai (Zhipu AI) |
|---|---|---|
| Ease of Use | 7.0 | 6.5 |
| Output Quality | 7.5 | 8.5 |
| Value | 7.5 | 9.0 |
| Features | 8.0 | 8.0 |
| Overall | 7.5 | 8.0 |
Pricing Comparison
| Feature | Grok | GLM / Z.ai (Zhipu AI) |
|---|---|---|
| Free Tier | Yes | Yes |
| Starting Price | $0 | $0 |
Benchmark Head-to-Head
Grok 4.20 vs GLM-4.6
| Benchmark | Grok | GLM / Z.ai (Zhipu AI) |
|---|---|---|
| GPQA Diamond | 85% | 74.5% |
| HumanEval | 90% | 89.1% |
Which Should You Pick?
Pick Grok if...
- ✓Stronger on graduate-level science questions (+10.5% on GPQA Diamond)
People who live on X/Twitter and want an AI that can tap into that data in real-time. Also good for users who find mainstream chatbots too sanitized and want something with more personality.
Visit GrokPick GLM / Z.ai (Zhipu AI) if...
- ✓Higher output quality (8.5 vs 7.5)
- ✓Better value for money (9/10)
Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).
Visit GLM / Z.ai (Zhipu AI)Our Verdict
GLM / Z.ai (Zhipu AI) edges out Grok with a 8.0 vs 7.5 overall score. Both are solid picks, but GLM / Z.ai (Zhipu AI) has the advantage in output quality.