Grok 4 vs Grok 3.5
This comparison focuses on practical positioning rather than official marketing language. Newer model generations usually aim for stronger reasoning, broader tool use, and more comfortable handling of longer contexts.
Quick comparison
| Area | Grok 3.5 | Grok 4 |
|---|---|---|
| Reasoning | Good for everyday analysis and general chat | Stronger on harder multi-step tasks |
| Tools | More limited tool workflows | Usually broader integrations and tool use |
| Best fit | Drafting, rewriting, routine prompts | Coding, research-heavy tasks, deeper synthesis |
Recommendation
Choose the lighter option for routine work and the newer model for harder reasoning or production-critical tasks. Try Grok 4 for free on Grok4.app to experience the latest capabilities.