G4
Active
Grok 4.20
Pricing
USD per 1M tokens
Input
$1.25
per 1M tokens
Output
$2.50
per 1M tokens
Cached input
$0.20
per 1M tokens
Capabilities
Spec
| Context window | 1,000,000 |
| Modalities | textvision |
| Endpoint | /v1/chat/completions |
function_callingstructured_outputsreasoningreal_time_data
Verified facts
Source-linked, per field
| Input price (per 1M tokens) | $1.25 | — |
| Output price (per 1M tokens) | $2.5 | — |
| Cached input price (per 1M tokens) | $0.2 | — |
| Context window | 1,000,000 tokens | — |
| Lifecycle | active | Source ↗ Jun 7 |
| Vision input | ✓ supported | — |
| Function calling | ✓ supported | — |
| Structured output (JSON schema) | ✓ supported | — |
| Prompt caching | ✓ supported | — |
Last verified Jun 7, 2026 19:15 UTC.
Each value links to the provider page it was extracted from.
Activity
Change timeline
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