xAI
Inference provider
Model creator
- Hosted model listings
- 6
- Models created
- 11
- API base
- Not documented
- Last verified
- Jul 30, 2026
Inference catalog
Models served by xAI
Provider-specific identifiers, limits, and source-linked prices.
| Model | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Capabilities | Verified |
|---|---|---|---|---|---|---|---|
| Grok 4.20 (Non-Reasoning)xAI | grok-4.20-0309-non-reasoning |
1M | $1.25 | $2.5 | $0.2 | ToolsJSON | Jul 30, 2026 |
| Grok 4.20 (Reasoning)xAI | grok-4.20-0309-reasoning |
1M | $1.25 | $2.5 | $0.2 | ReasoningToolsJSON | Jul 30, 2026 |
| Grok 4.3xAI | grok-4.3 |
1M | $1.25 | $2.5 | $0.2 | ReasoningToolsJSON | Jul 30, 2026 |
| Grok 4.5xAI | grok-4.5 |
500K | $2 | $6 | $0.3 | ReasoningToolsJSON | Jul 30, 2026 |
| Grok Build 0.1xAI | grok-build-0.1 |
256K | $1 | $2 | $0.2 | ReasoningToolsJSON | Jul 30, 2026 |
| Grok Imagine Video 1.5xAI | grok-imagine-video-1.5 |
1.024K | - | - | - | Not listed | Jul 30, 2026 |
Creator catalog
Models created by xAI
Canonical model records; availability may include multiple inference providers.
| Model | Input types | Context | Input / 1M | Output / 1M | Released | Verified |
|---|---|---|---|---|---|---|
| Grok 4.20 (Non-Reasoning)xai/grok-4.20-0309-non-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | Jul 30, 2026 | |
| Grok 4.20 (Reasoning)xai/grok-4.20-0309-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | Jul 30, 2026 | |
| Grok 4.3xai/grok-4.3 | 1M | $1.25 | $2.5 | 2026-04-17 | Jul 30, 2026 | |
| Grok 4.5xai/grok-4.5 | 500K | $2 | $6 | 2026-07-08 | Jul 30, 2026 | |
| Grok Build 0.1xai/grok-build-0.1 | 256K | $1 | $2 | 2026-04-16 | Jul 30, 2026 | |
| Grok Imagine Video 1.5xai/grok-imagine-video-1.5 | 1.024K | Not listed | Not listed | 2026-05-30 | Jul 30, 2026 | |
| xAI: Grok 4.20x-ai/grok-4.20 | 2M | $1.25 | $2.5 | Undated | Jul 30, 2026 | |
| xAI: Grok 4.20 Multi-Agentx-ai/grok-4.20-multi-agent | 2M | $1.25 | $2.5 | Undated | Jul 30, 2026 | |
| xAI: Grok 4.3x-ai/grok-4.3 | 1M | $1.25 | $2.5 | Undated | Jul 30, 2026 | |
| xAI: Grok 4.5x-ai/grok-4.5 | 500K | $2 | $6 | Undated | Jul 30, 2026 | |
| xAI: Grok Build 0.1x-ai/grok-build-0.1 | 256K | $1 | $2 | Undated | Jul 30, 2026 |