Grok 4

Capabilities

Context Window

256,000 tokens

Max Output

Not specified tokens

Knowledge Cutoff

Not specified

Modalities

Input: text, image

Output: text

Latency

2.6 s

Median time to first token over the last 30 days (402 samples).

Pricing Details

Compare to other xAI models

• Grok 2
  $2.00 / $10.00 per M tokens
• Grok 3
  $3.00 / $15.00 per M tokens
• Grok 3 Mini
  $0.25 / $0.50 per M tokens
• Grok 3 Mini (Fast)
  $0.60 / $4.00 per M tokens
• Grok 4.1 Fast
  $0.20 / $0.50 per M tokens
• Grok 4.1 Fast (Reasoning)
  $0.20 / $0.50 per M tokens