from $1.25 per
million input tokens · same price on every gateway
· updated hourly
Gateway
$ in /MTok
$ out /MTok
Context
Input price history
Model ID
OpenRouterfees
$1.25
$2.50
2,000,000
x-ai/grok-4.20
Glama
$1.25
$2.50
2,000,000
since 2026-08-20
xai/grok-4.20
Fees beyond the token price
OpenRouter: No markup on token prices (provider pass-through), but credit purchases cost 5.5% via card ($0.80 minimum) or 5% via crypto; BYOK usage above the monthly allowance is charged 5%. source
Changelog for grok-4.20
No changes recorded for this model yet — history starts the day we first saw it.
grok-4.20 pricing FAQ
How much does grok-4.20 cost per million tokens?
The cheapest tracked gateway charges $1.25 per million input tokens and $2.50 per million output tokens (Glama). Prices refresh hourly.
Which gateway is cheapest for grok-4.20?
Glama for input tokens and Glama for output tokens, among the 2 gateways we track.
Do grok-4.20 prices differ between gateways?
No — every tracked gateway currently charges the same per-token price, so the difference between them is fees and routing, not token cost.