AI model comparison
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Compare AI models side by side.
Pick up to four models and compare the trade-offs that matter: context, price, API access, weights, inputs, outputs, and use cases.
| Attribute | Grok 4.3 xAI / SpaceXAI |
|---|---|
| Summary | A high-capability Grok model with long context and configurable reasoning for production applications. |
| Best for | Long-document analysis, assistants, coding, research |
| Watch out for | Superseded by Grok 4.5 for the highest capability. |
| Family | Grok 4 |
| Type | Reasoning LLM |
| Status | GA |
| Released | Not listed |
| Context window | 1M |
| Max output | Not listed |
| Inputs | Text, image |
| Outputs | Text |
| Reasoning | Yes — none/low/medium/high |
| Tool calling | Yes |
| Structured output | Yes |
| API available | Yes |
| Open weights | No |
| Self-hostable | No |
| License | Proprietary |
| Price | $1.25 input / $2.50 output per 1M tokens |