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ZenMux

Grok 4 model ID, context window & pricing

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Quick facts

Model ID x-ai/grok-4
Source ZenMux
Context Window 256000
Pricing $3.00 input / $15.00 output per 1M tokens
Capabilities tool calling, reasoning, temperature control

Model overview

Grok 4 is an AI model from ZenMux with 256000 token context window and image, text input support.

Published pricing is $3.00 input and $15.00 output per 1M tokens.

  • Workloads that use image, text inputs with text outputs.
  • Agent and tool workflows that need function calling.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID x-ai/grok-4
Provider ZenMux
Family -
Status -
Knowledge Cutoff 2025-01-01
Release Date 2025-07-09
Input Modalities image, text
Output Modalities text
Context Window 256000
Input Limit -
Output Limit 64000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $3.00
Output Cost / 1M tokens $15.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.75
Cache Write Cost / 1M tokens -