xAI
xAI API Pricing 2026
Current API prices per 1 million tokens.
Model
| Model | Rate | Price / 1M tokens |
|---|---|---|
| Grok 4.5 xAI's current flagship Grok model with strong reasoning and multimodal input. 500K context · text/image input · reasoning, tools and structured output. For requests at or above 200K context, xAI lists higher long-context rates; rows marked long-context show those prices. | Input — <200K context | $2 |
| Grok 4.5 | Cached input — <200K | $0.3 |
| Grok 4.5 | Output — <200K | $6 |
| Grok 4.5 | Input — ≥200K context | $4 |
| Grok 4.5 | Cached input — ≥200K | $0.6 |
| Grok 4.5 | Output — ≥200K | $12 |
| Grok 4.20 High-performance Grok model with 1M context and agentic tool calling. 1M context · text/image input · reasoning/non-reasoning variants · function calling. For requests at or above 200K context, xAI lists higher long-context rates; rows marked long-context show those prices. | Input — <200K context | $1.25 |
| Grok 4.20 | Cached input — <200K | $0.2 |
| Grok 4.20 | Output — <200K | $2.5 |
| Grok 4.20 | Input — ≥200K context | $2.5 |
| Grok 4.20 | Cached input — ≥200K | $0.4 |
| Grok 4.20 | Output — ≥200K | $5 |
| Grok Build 0.1 xAI coding model for agentic software engineering and workflow tasks. 256K context · text/image input · reasoning, tools and structured output. For requests at or above 200K context, xAI lists higher long-context rates; rows marked long-context show those prices. | Input — <200K context | $1 |
| Grok Build 0.1 | Cached input — <200K | $0.2 |
| Grok Build 0.1 | Output — <200K | $2 |
| Grok Build 0.1 | Input — ≥200K context | $2 |
| Grok Build 0.1 | Cached input — ≥200K | $0.4 |
| Grok Build 0.1 | Output — ≥200K | $4 |
| Grok 4.6 xAI's latest recommended Grok model for coding, chat and agentic workloads. 500K context · short-context and ≥200K long-context pricing tiers. xAI charges the higher long-context tier when context is at or above 200K tokens. | Input — <200K context | $2 |
| Grok 4.6 | Cached input — <200K | $0.5 |
| Grok 4.6 | Output — <200K | $6 |
| Grok 4.6 | Input — ≥200K context | $4 |
| Grok 4.6 | Cached input — ≥200K | $1 |
| Grok 4.6 | Output — ≥200K | $12 |
| Grok 4.7 xAI's latest frontier Grok model for coding, agentic tasks and knowledge work. 500K context · text/image input · no text output limit · reasoning low/medium/high/xhigh. xAI charges the higher long-context tier when prompt tokens reach 200K or more. Grok 4.7 Fast is a separate Cursor/Grok Build-only variant billed at twice these token rates. | Input — <200K context | $2 |
| Grok 4.7 | Cached input — <200K | $0.5 |
| Grok 4.7 | Output — <200K | $6 |
| Grok 4.7 | Input — ≥200K context | $4 |
| Grok 4.7 | Cached input — ≥200K | $1 |
| Grok 4.7 | Output — ≥200K | $12 |
How API token cost is calculated
Multiply the number of tokens by the provider rate, then divide by 1,000,000.
cost = tokens × price per 1M ÷ 1,000,000
Example: 250,000 input tokens at $2 / 1M = $0.50.