Grok 4 family
xAI's Grok 4 generation including Fast and Code variants.
Provider: x-ai
Models in this family (5)
| Model | Modality | Context | Input price / 1M | Tier |
|---|---|---|---|---|
| xAI: Grok 4 Fast x-ai/grok-4-fast | text+image->text | 2M Ultra context (1M+) | $0.20 | Budget |
| xAI: Grok 4.1 Fast x-ai/grok-4.1-fast | text+image->text | 2M Ultra context (1M+) | $0.20 | Budget |
| xAI: Grok 4.20 Beta x-ai/grok-4.20-beta | text+image->text | 2M Ultra context (1M+) | $2.00 | Standard |
| xAI: Grok 4.20 Multi-Agent Beta x-ai/grok-4.20-multi-agent-beta | text+image->text | 2M Ultra context (1M+) | $2.00 | Standard |
| xAI: Grok 4 x-ai/grok-4 | text+image->text | 256K Long context (128K+) | $3.00 | Standard |