xAI
Inference provider
Model creator
- Hosted model listings
- 8
- Models created
- 61
- API base
- Not documented
- Last verified
- Sep 11, 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 | Sep 11, 2026 |
| Grok 4.20 (Reasoning)xAI | grok-4.20-0309-reasoning |
1M | $1.25 | $2.5 | $0.2 | ReasoningToolsJSON | Sep 11, 2026 |
| Grok 4.3xAI | grok-4.3 |
1M | $1.25 | $2.5 | $0.2 | ReasoningToolsJSON | Sep 11, 2026 |
| Grok 4.5xAI | grok-4.5 |
500K | $2 | $6 | $0.3 | ReasoningToolsJSON | Sep 11, 2026 |
| Grok 4.6xAI | grok-4.6 |
500K | $2 | $6 | $0.5 | ReasoningToolsJSON | Sep 11, 2026 |
| Grok Build 0.1xAI | grok-build-0.1 |
256K | $1 | $2 | $0.2 | ReasoningToolsJSON | Sep 11, 2026 |
| Grok Imagine Image 2.0xAI | grok-imagine-image-2.0 |
64K | - | - | - | Not listed | Sep 11, 2026 |
| Grok Imagine Video 1.5xAI | grok-imagine-video-1.5 |
1.024K | - | - | - | Not listed | Sep 11, 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 4.1 Fastxai/grok-4.1-fast | 2M | $0.2 | $0.5 | 2025-11-19 | Sep 11, 2026 | |
| Grok 4.1 Fast (Reasoning)xai/grok-4.1-fast-reasoning | 2M | $0.2 | $0.5 | 2025-11-19 | Sep 11, 2026 | |
| Grok 4.20 (Non-Reasoning)xai/grok-4.20-0309-non-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | Sep 11, 2026 | |
| Grok 4.20 (Reasoning)xai/grok-4.20-0309-reasoning | 1M | $1.25 | $2.5 | 2026-03-09 | Sep 11, 2026 | |
| Grok 4.3xai/grok-4.3 | 1M | $1.25 | $2.5 | 2026-04-17 | Sep 11, 2026 | |
| Grok 4.5xai/grok-4.5 | 500K | $2 | $6 | 2026-07-08 | Sep 11, 2026 | |
| Grok 4.6xai/grok-4.6 | 500K | $2 | $6 | 2026-08-12 | Sep 11, 2026 | |
| Grok Build 0.1xai/grok-build-0.1 | 256K | $1 | $2 | 2026-04-16 | Sep 11, 2026 | |
| Grok Imagine Image 2.0xai/grok-imagine-image-2.0 | 8K | Not listed | Not listed | 2026-08-07 | Sep 11, 2026 | |
| Grok Imagine Video 1.5xai/grok-imagine-video-1.5 | 1.024K | Not listed | Not listed | 2026-05-30 | Sep 11, 2026 | |
| SpaceXAI: Grok 4.20x-ai/grok-4.20 | 2M | $1.25 | $2.5 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok 4.20 Multi-Agentx-ai/grok-4.20-multi-agent | 2M | $1.25 | $2.5 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok 4.3x-ai/grok-4.3 | 1M | $1.25 | $2.5 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok 4.3 (batch)x-ai/grok-4.3:batch | 1M | $1 | $2 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok 4.5x-ai/grok-4.5 | 500K | $2 | $6 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok 4.6x-ai/grok-4.6 | 500K | $2 | $6 | Undated | Sep 11, 2026 | |
| SpaceXAI: Grok Build 0.1x-ai/grok-build-0.1 | 256K | $1 | $2 | Undated | Sep 11, 2026 | |
| grok-2xai/grok-2 | 131.072K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-2-1212xai/grok-2-1212 | 131.072K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-2-latestxai/grok-2-latest | 131.072K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-2-visionxai/grok-2-vision | 32.768K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-2-vision-1212xai/grok-2-vision-1212 | 32.768K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-2-vision-latestxai/grok-2-vision-latest | 32.768K | $2 | $10 | Undated | Jul 31, 2026 | |
| grok-3xai/grok-3 | 131.072K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-3-betaxai/grok-3-beta | 131.072K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-3-fast-betaxai/grok-3-fast-beta | 131.072K | $5 | $25 | Undated | Jul 31, 2026 | |
| grok-3-fast-latestxai/grok-3-fast-latest | 131.072K | $5 | $25 | Undated | Jul 31, 2026 | |
| grok-3-latestxai/grok-3-latest | 131.072K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-3-minixai/grok-3-mini | 131.072K | $0.3 | $0.5 | Undated | Jul 31, 2026 | |
| grok-3-mini-betaxai/grok-3-mini-beta | 131.072K | $0.3 | $0.5 | Undated | Jul 31, 2026 | |
| grok-3-mini-fastxai/grok-3-mini-fast | 131.072K | $0.6 | $4 | Undated | Jul 31, 2026 | |
| grok-3-mini-fast-betaxai/grok-3-mini-fast-beta | 131.072K | $0.6 | $4 | Undated | Jul 31, 2026 | |
| grok-3-mini-fast-latestxai/grok-3-mini-fast-latest | 131.072K | $0.6 | $4 | Undated | Jul 31, 2026 | |
| grok-3-mini-latestxai/grok-3-mini-latest | 131.072K | $0.3 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4xai/grok-4 | 256K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-4-0709xai/grok-4-0709 | 256K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-4-1-fastxai/grok-4-1-fast | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-1-fast-non-reasoningxai/grok-4-1-fast-non-reasoning | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-1-fast-non-reasoning-latestxai/grok-4-1-fast-non-reasoning-latest | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-1-fast-reasoningxai/grok-4-1-fast-reasoning | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-1-fast-reasoning-latestxai/grok-4-1-fast-reasoning-latest | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-fast-non-reasoningxai/grok-4-fast-non-reasoning | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-fast-reasoningxai/grok-4-fast-reasoning | 2M | $0.2 | $0.5 | Undated | Jul 31, 2026 | |
| grok-4-latestxai/grok-4-latest | 256K | $3 | $15 | Undated | Jul 31, 2026 | |
| grok-4.20xai/grok-4.20 | 1M | $1.25 | $2.5 | Undated | Aug 30, 2026 | |
| grok-4.20-beta-0309-non-reasoningxai/grok-4.20-beta-0309-non-reasoning | 2M | $2 | $6 | Undated | Jul 31, 2026 | |
| grok-4.20-beta-0309-reasoningxai/grok-4.20-beta-0309-reasoning | 2M | $2 | $6 | Undated | Jul 31, 2026 | |
| grok-4.20-multi-agent-0309xai/grok-4.20-multi-agent-0309 | 1M | $1.25 | $2.5 | Undated | Aug 12, 2026 | |
| grok-4.20-multi-agent-beta-0309xai/grok-4.20-multi-agent-beta-0309 | 2M | $2 | $6 | Undated | Jul 31, 2026 | |
| grok-4.20-non-reasoningxai/grok-4.20-non-reasoning | 1M | $1.25 | $2.5 | Undated | Aug 30, 2026 | |
| grok-4.20-non-reasoning-latestxai/grok-4.20-non-reasoning-latest | 1M | $1.25 | $2.5 | Undated | Aug 30, 2026 | |
| grok-4.20-reasoningxai/grok-4.20-reasoning | 1M | $1.25 | $2.5 | Undated | Aug 30, 2026 | |
| grok-4.20-reasoning-latestxai/grok-4.20-reasoning-latest | 1M | $1.25 | $2.5 | Undated | Aug 30, 2026 | |
| grok-4.3-latestxai/grok-4.3-latest | 1M | $1.25 | $2.5 | Undated | Jul 31, 2026 | |
| grok-4.5-latestxai/grok-4.5-latest | 500K | $2 | $6 | Undated | Jul 31, 2026 | |
| grok-betaxai/grok-beta | 131.072K | $5 | $15 | Undated | Jul 31, 2026 | |
| grok-build-latestxai/grok-build-latest | 500K | $2 | $6 | Undated | Sep 03, 2026 | |
| grok-code-fastxai/grok-code-fast | 256K | $0.2 | $1.5 | Undated | Jul 31, 2026 | |
| grok-code-fast-1xai/grok-code-fast-1 | 256K | $0.2 | $1.5 | Undated | Jul 31, 2026 | |
| grok-code-fast-1-0825xai/grok-code-fast-1-0825 | 256K | $0.2 | $1.5 | Undated | Jul 31, 2026 | |
| grok-vision-betaxai/grok-vision-beta | 8.192K | $5 | $15 | Undated | Jul 31, 2026 |