Availability

Publicly available

Provider

xAI

Country

USA

Family

Grok

Status

Legacy

Weights

Closed

Release date

2026-07-08T00:00:00.000Z

Modalities

text (both)

Input per million tokens

2 USD

Output per million tokens

6 USD

Price effective from

2026-09-06T00:00:00.000Z

Knowledge cutoff

2026-02-01T00:00:00.000Z

Aliases

grok-4.5, grok-4.5-latest, grok-build-latest

Capabilities

• reasoning · primary
• tool_use
• structured_output

Traits

• context_window500,000 tokens