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Grok 4.20 Beta Reasoning
xai/grok-4-20-reasoning-betaPrices
- Input
$1.25 per 1M tokens
low- Input (>200.001k ctx)
$2.50 per 1M tokens
low- Input (cached read, >200.001k ctx)
$0.40 per 1M tokens
low- Input (cached read)
$0.20 per 1M tokens
low- Output
$2.50 per 1M tokens
low- Output (>200.001k ctx)
$5.00 per 1M tokens
low
Specifications
- Provider
- xai
- Context window
- 2,000,000
- Max output tokens
- 2,000,000
- Open weights
- no
- Released
- 03/11/2026
- Retires
- no date announced
- First seen by this tracker
Price history
No price of this model has changed since we started tracking it.
- Input
- 1.25 per 1M tokens, unchanged since 09/14/2026
- Output
- 2.5 per 1M tokens, unchanged since 09/14/2026
- Input (cached read)
- 0.2 per 1M tokens, unchanged since 09/14/2026
- Input (>200.001k ctx)
- 2.5 per 1M tokens, unchanged since 09/22/2026
- Output (>200.001k ctx)
- 5 per 1M tokens, unchanged since 09/22/2026
- Input (cached read, >200.001k ctx)
- 0.4 per 1M tokens, unchanged since 09/22/2026