xAI models
We track 19 xAI models. The most recent release is Grok Imagine Video 1.5 Lite, released 1 Oct 2026.
| Model | Released | Context | Input $/1M | Output $/1M | Weights |
|---|---|---|---|---|---|
| Grok Imagine Video 1.5 Lite | 1 Oct 2026 | 1K | – | – | Closed |
| Grok 4.7 | 21 Sept 2026 | 500K | $2 | $6 | Closed |
| Grok 4.6 | 12 Aug 2026 | 500K | $2 | $6 | Closed |
| Grok Imagine Image 2.0 | 7 Aug 2026 | 66K | – | – | Closed |
| Grok Voice STT 1.0 | 4 Aug 2026 | 15K | – | – | Closed |
| Grok Voice TTS 1.0 | 31 Jul 2026 | 15K | – | – | Closed |
| Grok 4.5 | 8 Jul 2026 | 500K | $2 | $6 | Closed |
| Grok Imagine Video 1.5 | 30 May 2026 | 1K | – | – | Closed |
| Grok 4.3 | 17 Apr 2026 | 1M | $1.25 | $2.50 | Closed |
| Grok Build 0.1 | 16 Apr 2026 | 256K | $1 | $2 | Closed |
| Grok Imagine Image Quality | 3 Apr 2026 | 16K | – | – | Closed |
| Grok 4.20 | 31 Mar 2026 | 2M | $1.25 | $2.50 | – |
| Grok 4.20 (Non-Reasoning) | 9 Mar 2026 | 1M | $1.25 | $2.50 | Closed |
| Grok 4.20 (Reasoning) | 9 Mar 2026 | 1M | $1.25 | $2.50 | Closed |
| Grok 4.20 Multi-Agent | 9 Mar 2026 | 1M | $1.25 | $2.50 | Closed |
| Grok Imagine Image | 28 Jan 2026 | 16K | – | – | Closed |
| Grok Imagine Video | 28 Jan 2026 | 1K | – | – | Closed |
| grok-4-1-fast-reasoning | 20 Nov 2025 | 2M | $0.20 | $0.50 | Closed |
| Grok 4.1 Fast | 19 Nov 2025 | 2M | – | – | Closed |