xAI · current

Grok 4.3 API pricing

Current xAI flagship with configurable reasoning.

Input / million
$1.25
Cached input / million
$0.2000
Output / million
$2.50
Context window
1,000,000

Example cost

A request with 10,000 input tokens and 2,000 output tokens costs approximately $0.0175 at the recorded standard rate.

  • 10,000 standard input tokens / 1,000,000 × $1.25
  • 0 cached tokens / 1,000,000 × $0.2
  • 2,000 output tokens / 1,000,000 × $2.5

Pricing rules and limitations

Short/long cached input: $0.2/$0.4 per MTok. Long-context pricing applies to all tokens after the provider threshold.

Price history

EffectiveUntilInputOutputStatus
2026-03-09Current / scheduled$1.25$2.50current