xAI

Grok 4.3

Name: Grok 4.3 API
Brand: xAI
Availability: OutOfStock

xAI reasoning model with a 1M-token context, text and image input.

Not currently offered on Token Harbor.

Grok 4.5 is live — same family, currently served and priced.

Model IDgrok-4.3

Typechat

Context window1,000,000 tokens

Maximum output tokens—

Input—

Output—

CapabilitiesReasoning, Long context, Multimodal

Modalitiestext, vision