xAI: Grok 3 vs xAI: Grok 4
Compare these two models side-by-side to help you make the best choice for your needs
xAI: Grok 3
PremiumDescription
Grok 3 is the latest model from xAI. It's their flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in finance, healthcare, law, and science.
Strengths
- •Large context window (131k tokens)
Best For
General conversations and content creation
xAI: Grok 4
PremiumDescription
Grok 4 is xAI's latest reasoning model with a 256k context window. It supports parallel tool calling, structured outputs, and both image and text inputs. Note that reasoning is not exposed, reasoning cannot be disabled, and the reasoning effort cannot be specified. Pricing increases once the total tokens in a given request is greater than 128k tokens. See more details on the [xAI docs](https://docs.x.ai/docs/models/grok-4-0709)
Strengths
- •Multimodal understanding with text and image support
- •Large context window (256k tokens)
Best For
Image and document understanding
| Feature | xAI: Grok 3 | xAI: Grok 4 |
|---|---|---|
| Provider | OpenRouter | OpenRouter |
| Context Length | 131,072 tokens | 256,000 tokens |
| Input Price | $3.00/M | $3.00/M |
| Output Price | $15.00/M | $15.00/M |
| Vision Support | No | Yes |
| Premium | Yes | Yes |
| Capabilities | Text | TextVision |