Grok 4.20

Updated Oct 4, 2026

grok2.0M context1.8M max outputreleased Mar 31, 2026ReasoningTool calling

As of Oct 4, 2026, the cheapest Grok 4.20 API price is $1.25 per 1M input tokens (Merge Gateway) and $2.5 per 1M output tokens (Merge Gateway). Grok 4.20 is offered by 4 providers in the grok family, reasoning enabled.

Cheapest input

$1.25

Merge Gateway

Cheapest output

$2.5

Merge Gateway

Official

—

output per 1M tokens

Providers

offering this model

Spread

2.4×

max / min output

API pricing by provider

Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.

Grok 4.20 API prices by provider in USD per 1M tokens, updated Oct 4, 2026
Provider	1M input	1M output	1M cache read	1M cache write	Context
Merge Gateway	Cheapest^†$1.25	Cheapest$2.5	$0.2	—	1.0M
OpenRouter	^†$1.25	$2.5	$0.2	—	2.0M
Venice AI	^†$1.42	$2.83	$0.23	—	2.0M
NanoGPT	$2	$6	$1	—	2.0M

Grok 4.20 pricing FAQ

What is the cheapest Grok 4.20 API?

As of Oct 4, 2026, Merge Gateway has the lowest Grok 4.20 output price at $2.5 per 1M tokens, and Merge Gateway has the lowest input price at $1.25 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

How many providers offer Grok 4.20?

4 providers list Grok 4.20 on Sovyron; 4 of them sell it at a metered per-token price.

Is Grok 4.20 free?

No provider in the Sovyron catalog lists a free tier for Grok 4.20.

What is the context window of Grok 4.20?

Grok 4.20 supports a 2.0M-token context window and up to 1.8M output tokens.