xAI
X-Ai/Grok-4-Fast-Non-Reasoning
Fast Grok model for responsive chat, reasoning, and tool-assisted work
Model facts
- Context window
- 2M tokens
- Maximum output
- 2M tokens
- Cheapest paid input
- not published per 1M tokens
- Cheapest paid output
- not published per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
tool calling, attachments, temperature control, text, image, audio, video.
Observed price history
- 2026-08-24: not published input / not published output per 1M tokens
API providers
- Qiniu — model id x-ai/grok-4-fast-non-reasoning; not published input / not published output per 1M tokens; provider documentation