xAI · mid
Grok 4.3: API pricing 2026
xAI's published API tier. Distinctive output cost (much lower than peers) makes it attractive for output-heavy tasks like summarisation.
Input $/M tokens
$1.25
Output $/M tokens
$2.50
Cost / task
$0.0063
3k in + 1k out
Tier
mid
xAI
Cost at common task volumes
| 1,000 tasks / yr | $6.25 |
| 10,000 tasks / yr | $62.50 |
| 100,000 tasks / yr | $625 |
| 1,000,000 tasks / yr | $6,250 |
Token shape: 3,000 input + 1,000 output per task. No prompt caching. Real cost varies with your actual prompt shape.
Source
↗ https://x.ai/apiVerified 2026-06-02.
Compare with other LLMs