Model pricing
xAI: Grok 4 Fast API Pricing
xAI · 2M context
toolsstructured-outputreasoninglong-contextbudget
Provider prices
Pricing across providers
Prices are shown per 1M tokens with cache pricing, source links, observation dates, and confidence labels.
| Provider | Input / Output | Cached | Source | Observed | Confidence |
|---|---|---|---|---|---|
| OpenRouteropenrouter | $0.20 / $0.50 | $0.050 | Source | 2026-05-12 | high |
Same organization
Related models
Other tracked models from xAI.