Grok 4

xAI

Advanced reasoning and coding model trained with reinforcement learning to use tools

Pricing

per 1M tokens

Input / 1M$3.00
Output / 1M$15.00

Specifications

API Model IDgrok-4
Context Window256K tokens
Max Output32K tokens

Modalities

textimage

Capabilities

tool-usestreamingjson-modevisioncodereasoning

Other xAI Text / Chat Models

ModelInput / 1MOutput / 1MCache Read / 1MCache Write / 1M
Grok 4.20 Beta$2.00$6.00
Grok 4.1 Fast$0.20$0.50
Grok 3$3.00$15.00
Grok 3 Mini$0.30$0.50