xAI · current

Grok 4.20 Beta Reasoning

Grok 4.20 Beta Reasoning is attributed to xAI in the catalog. It accepts text, image, and pdf input and produces text output. Reported capabilities include reasoning and tool calling.

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Modalities

Hosted provider token rates

$1.25 / $2.50

USD per 1M input / output tokens · Vercel AI Gateway

Context

Released

2026-03-11

Knowledge cutoff

Unknown

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

1 observed offerings · token prices in USD per million where available

Estimate your workload cost

Vercel AI Gateway

spacexai/grok-4.20-reasoning-beta

current

Input

$1.25

Output

$2.50

Cache

$0.20

Context

Max output

Reasoning: Yes
Tool calling: Yes
Structured output: Unknown
Temperature: Unknown

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Provider / API ID	Status	Context	Max output	Input	Output	Cache read	Reasoning	Tools	Structured	Temperature
Vercel AI Gateway spacexai/grok-4.20-reasoning-beta	currentRecent price	2M	2M	$1.25	$2.50	$0.20	Yes	Yes	Unknown	Unknown

Capabilities and limits

Input: text, image, pdf
Output: text
Max output: 2M
Weights: Closed (source-reported)
Release: 2026-03-11
Knowledge cutoff: Unknown
Family: grok

Reasoning · Tool calling · Vision

Provider-specific limits and support can differ.

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Models to compare

Candidates match reported specifications; they are not tested replacements.

Grok 4.20 Multi Agent BetaxAI · 2M contextCompare →

Model and price history

Price history (40 observations)

Date	Provider	Input / output
2026-11-02	Vercel AI Gateway	$1.25 / $2.50
2026-11-01	Vercel AI Gateway	$1.25 / $2.50
2026-10-31	Vercel AI Gateway	$1.25 / $2.50
2026-10-30	Vercel AI Gateway	$1.25 / $2.50
2026-10-29	Vercel AI Gateway	$1.25 / $2.50
2026-10-28	Vercel AI Gateway	$1.25 / $2.50
2026-10-27	Vercel AI Gateway	$1.25 / $2.50
2026-10-27	Vercel AI Gateway	$1.25 / $2.50
2026-10-27	Vercel AI Gateway	$1.25 / $2.50
2026-10-27	Vercel AI Gateway	$1.25 / $2.50
2026-10-26	Vercel AI Gateway	$1.25 / $2.50
2026-10-25	Vercel AI Gateway	$1.25 / $2.50
2026-10-24	Vercel AI Gateway	$1.25 / $2.50
2026-10-24	Vercel AI Gateway	$1.25 / $2.50
2026-10-24	Vercel AI Gateway	$1.25 / $2.50
2026-10-23	Vercel AI Gateway	$1.25 / $2.50
2026-10-23	Vercel AI Gateway	$1.25 / $2.50
2026-10-23	Vercel AI Gateway	$1.25 / $2.50
2026-10-23	Vercel AI Gateway	$1.25 / $2.50
2026-10-23	Vercel AI Gateway	$1.25 / $2.50
2026-10-22	Vercel AI Gateway	$1.25 / $2.50
2026-10-21	Vercel AI Gateway	$1.25 / $2.50
2026-10-20	Vercel AI Gateway	$1.25 / $2.50
2026-10-19	Vercel AI Gateway	$1.25 / $2.50
2026-10-18	Vercel AI Gateway	$1.25 / $2.50
2026-10-17	Vercel AI Gateway	$1.25 / $2.50
2026-10-12	Vercel AI Gateway	$1.25 / $2.50
2026-10-12	Vercel AI Gateway	$1.25 / $2.50
2026-10-11	Vercel AI Gateway	$1.25 / $2.50
2026-10-10	Vercel AI Gateway	$1.25 / $2.50
2026-10-09	Vercel AI Gateway	$1.25 / $2.50
2026-10-09	Vercel AI Gateway	$1.25 / $2.50
2026-10-08	Vercel AI Gateway	$1.25 / $2.50
2026-10-07	Vercel AI Gateway	$1.25 / $2.50
2026-09-22	Vercel AI Gateway	$1.25 / $2.50
2026-09-21	Vercel AI Gateway	$1.25 / $2.50
2026-09-20	Vercel AI Gateway	$1.25 / $2.50
2026-09-19	Vercel AI Gateway	$1.25 / $2.50
2026-09-18	Vercel AI Gateway	$1.25 / $2.50
2026-09-17	Vercel AI Gateway	$1.25 / $2.50