All modelsCalculate what your real prompts cost on Grok 4.20
Grok 4.20
xAI model, released 31 Mar 2026.
$1.25
per 1M input tokens
$2.50
per 1M output tokens
$0.2
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- xAI
- Released
- 31 Mar 2026
- Context window
- 2M tokens
- Max output
- —
- Input modalities
- text, image, file
- Output modalities
- text
- Knowledge cutoff
- 2025-09-01
- Open source
- No
Frequently asked questions
How much does Grok 4.20 cost?
Grok 4.20 costs $1.25 per 1M input tokens and $2.50 per 1M output tokens (list price, updated every 6 hours).
What is Grok 4.20's context window?
Grok 4.20 supports a 2M-token context window.