Grok 4.20 Multi-Agent
xAI first-party · 1,000,000 ctx · from $1.25 input / $2.5 output per 1M tokens
- Input price ranks #345 of 447 priced models (cheaper = better).
- Cheaper alternative with ≥ same context: GLM-5.2 at $1.2 input.
| Provider | xAI |
|---|---|
| Family | grok |
| Context window | 1,000,000 |
| Max output | 30,000 |
| Input price | $1.25 |
| Output price | $2.5 |
| Cache read | $0.2 |
| Cache write | — |
| Reasoning | Yes |
| Tool calling | No |
| Vision | Yes |
| Open weights | No |
| Knowledge cutoff | |
| Released | 2026-03-09 |
| Last updated | 2026-03-09 |
Available from 2 curated sources
| Source | Input | Output |
|---|---|---|
| OpenRouter | $1.25 | $2.5 |
| xAI first-party | $1.25 | $2.5 |
Identity: xAI; data via models.dev + OpenRouter public APIs. Always confirm on the provider's official pricing page.