xAI Grok API Pricing (October 2026)
8 xAI models with API prices, USD per 1M tokens.
- Lowest input price among xAI models
- Grok Build 0.1 · $1.00
- Longest context among xAI models
- 1M, shared by 4 models
| Source | |||||
|---|---|---|---|---|---|
| Grok 4.20 (Non-Reasoning) | $1.25 | $2.50 | $0.20 | 1M | models.dev |
| Grok 4.20 (Reasoning) | $1.25 | $2.50 | $0.20 | 1M | models.dev |
| Grok 4.20 Multi-Agent | $1.25 | $2.50 | $0.20 | 1M | models.dev |
| Grok 4.3 | $1.25 | $2.50 | $0.20 | 1M | models.dev |
| Grok 4.5 | $2.00 | $6.00 | $0.30 | 500K | models.dev |
| Grok 4.6 | $2.00 | $6.00 | $0.50 | 500K | models.dev |
| Grok 4.7 | $2.00 | $6.00 | $0.50 | 500K | models.dev |
| Grok Build 0.1 | $1.00 | $2.00 | $0.20 | 256K | models.dev |
xAI price changes
No price changes recorded for xAI models yet.
Questions
- How much does the xAI Grok API cost?
- xAI lists 8 models. Input prices range from $1.00 (Grok Build 0.1) to $2.00 (Grok 4.5) per 1M tokens, and output prices range from $2.00 (Grok Build 0.1) to $6.00 (Grok 4.5) per 1M tokens.
- Does xAI offer prompt caching or batch prices?
- 8 of 8 xAI models have a published cache read price, and 0 have a batch price.
- How often are xAI prices updated?
- We check prices every 6 hours; last checked Oct 10, 2026. These are xAI's list prices as compiled by models.dev.