xAI API · verified September 25, 2026
Grok 4.3 API pricing: $1.25 in / $2.50 out
Per million tokens, 1M context.
Input /1M$1.25
Output /1M$2.50
Context1M
Released2026
What real jobs cost
| 1,000 short chats | $2.00 |
| Summarise 100 long reports (20k tokens each) | $2.75 |
| Write a 90,000-word book | $0.33 |
| 10M input + 2M output tokens | $17.50 |
Estimates at the listed price. Use the calculator for your own numbers.
Similar-priced models
| Model | In | Out |
|---|---|---|
| Gemini 3.5 Flash-Lite Google | $0.30 | $2.50 |
| DeepSeek V4-Pro DeepSeek AI | $0.66 | $1.98 |
| Gemini 3.8 Flash Google | $0.75 | $3.75 |
| Gemini 3.7 Flash Google | $0.75 | $3.75 |
| Gemini 3.6 Flash Google | $0.75 | $3.75 |
| Claude Haiku 4.5 Anthropic | $1 | $5 |
Grok 4.3 pricing questions
How much does Grok 4.3 cost?
$1.25 per million input tokens and $2.50 per million output tokens, with a 1M context window.
How much does 1,000 chats cost on Grok 4.3?
About $2.00, assuming 800 input and 400 output tokens per chat.
Is there a cheaper alternative to Grok 4.3?
Gemini 3.5 Flash-Lite ($0.30 / $2.50) costs about 46% less on a typical 3:1 input/output mix. Test whether its quality is enough for your task.
Sources
Checked against the official pages below on September 25, 2026. Prices are USD before local tax. See how we verify prices and the change log.