# Grok 4.20

Grok 4.20 is a high-performance model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.

## At a glance

- **Modalities:** text, image → text
- **Context window:** 2,000,000 tokens
- **Model name:** `grok-4.20-0309-reasoning`
- **Aliases:** `grok-4.20-reasoning-latest`, `grok-4.20`, `grok-4.20-reasoning`, `grok-4.20-0309`, `grok-4.20-beta-0309-reasoning`, `grok-4.20-beta`, `grok-4.20-beta-0309`, `grok-4.20-beta-latest`, `grok-4.20-beta-latest-reasoning`, `grok-4.20-beta-reasoning`, `grok-4.20-experimental-beta-0304-reasoning`, `grok-4.20-experimental-beta-0304`, `grok-4.20-experimental-beta-reasoning-latest`, `grok-4.20-experimental-beta-latest`, `grok-4.20-reasoning-gv2`

## Capabilities

- **Function calling:** Yes
- **Structured outputs:** Yes
- **Reasoning:** Yes

## Pricing

| Type | Price per 1M tokens |
| --- | --- |
| Input | $1.25 |
| Cached input | $0.20 |
| Output | $2.50 |

## Rate limits

| Limit | Value |
| --- | --- |
| Requests per minute | 1,800 |
| Tokens per minute | 10,000,000 |

## Regions

Available in: us-east-1, eu-west-1