grok-4.20-0309-non-reasoning pricing

grok-4.20-0309-non-reasoning from xAI costs $1.25 per 1M input tokens and $2.50 per 1M output tokens. Cached input is $0.200 per 1M. Context window 1,000,000 tokens.

API id grok-4.20-0309-non-reasoning · xAI · source · updated 2026-08-11

$1.25
Input / 1M tokens
$2.50
Output / 1M tokens
$0.200
Cached input / 1M
1M
Context window

Long-context pricing

Prompts over 128K tokens are billed at $2.50 per 1M input and $5.00 per 1M output — roughly 2.0× the standard input rate. Budget for this if you send large documents.

What grok-4.20-0309-non-reasoning costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0025
Document summary50,0002,000$0.07
1M tokens in, 200K out1,000,000200,000$1.75

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does grok-4.20-0309-non-reasoning cost per 1M tokens?
grok-4.20-0309-non-reasoning costs $1.25 per 1M input tokens and $2.50 per 1M output tokens on the standard tier. Cached input is $0.200 per 1M.
What is grok-4.20-0309-non-reasoning's context window?
grok-4.20-0309-non-reasoning accepts up to 1,000,000 tokens in a single request.
Is there a cheaper Grok model than grok-4.20-0309-non-reasoning?
Yes. grok-build-0.1 is $1.00 per 1M input tokens versus $1.25 for grok-4.20-0309-non-reasoning, with a 256,000 token context window.
Where does this grok-4.20-0309-non-reasoning price come from?
Directly from xAI's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Other Grok models

See all Grok pricing →