Models / xAI / X-Ai/Grok-4-Fast-Non-Reasoning
xAI
X-Ai/Grok-4-Fast-Non-Reasoning
Fast Grok model for responsive chat, reasoning, and tool-assisted work
$0.20 in · $0.50 out
per 1M tokens · provider rate closest to the median. No first-party xAI price was listed. The reference price is Eden AI's rate, the provider closest to the median.
Provider input prices run from $0.20 to $1.63 per 1M tokens. Output prices run from $0.50 to $3.25.
- Context
- 2,000,000
- Max output
- 2,000,000
- Cache read
- $0.05
- Cache write
- —
- Reasoning
- No
- Tool calls
- Yes
- Structured output
- No
- Vision
- Yes
- Open weights
- No
- License
- —
- Released
- Dec 18, 2025
- Updated in source
- Dec 18, 2025
- Knowledge
- —
- Providers
- 2
Higher rates apply above 128,000 input tokens. The calculator switches to that rate when the input is longer.