Grok 4.20
OpenRouter · 2,000,000 ctx · from $1.25 input / $2.5 output per 1M tokens
- Input price ranks #342 of 447 priced models (cheaper = better).
| Provider | OpenRouter |
|---|---|
| Family | grok |
| Context window | 2,000,000 |
| Max output | 2,000,000 |
| Input price | $1.25 |
| Output price | $2.5 |
| Cache read | $0.2 |
| Cache write | — |
| Reasoning | Yes |
| Tool calling | Yes |
| Vision | Yes |
| Open weights | No |
| Knowledge cutoff | 2025-09-01 |
| Released | 2026-03-31 |
| Last updated | 2026-03-31 |
Identity: OpenRouter; data via models.dev + OpenRouter public APIs. Always confirm on the provider's official pricing page.