xAI's assistant, available on X and standalone apps. Strong real-time awareness of the X firehose; supports custom instructions and file analysis on current versions.
最适合: Real-time X (Twitter) context and a direct, less filtered conversational register.
| 模型 | Grok model family |
|---|---|
| 免费计划 | Limited free access (varies) |
| 付费方案 | Paid tiers via X Premium / SuperGrok subscriptions |
| API | Yes (xAI API) |
| 自定义指令 | Yes, custom instructions in settings on current versions |
| 记忆 | Varies by version. Check settings |
| 文件上传 | Yes |
| 网络搜索 | Yes, plus live X content |
| 上下文窗口 | Large, model-dependent |
| 应用 | Web · iOS · Android · inside X |
事实最后审核时间 2026-08-10, 功能与方案频繁变动，使用前请以官方网站信息为准。
模型、限制与定价
| 当前模型 | Grok 4.5, flagship, most intelligent and fastest xAI model Grok 4.3, prior-generation general model Grok 4.20, reasoning, non-reasoning and multi-agent variants Grok Build 0.1, build/agent model (SuperGrok Heavy gated) |
|---|---|
| 上下文窗口 | 500k tokens (grok-4.5); 1M tokens (grok-4.3 and grok-4.20) |
| 参数 | Not disclosed 多数封闭前沿模型不公布参数量；我们不会重复未经证实的数字。 |
| 输入模态 | Text + image in; text out; image and video gen (Imagine); voice mode |
| 消费者定价 |
|
| API 定价 | grok-4.5: $2.00 / 1M input, $6.00 / 1M output ($4 / $12 long-context) |
定价与模型阵容已核实 2026-08-11 来自 来源 1 ↗ · 来源 2 ↗ · 来源 3 ↗. 此类内容变动频繁，请以供应商官方页面为准。
值得关注
- Live X/Twitter grounding
- DeepSearch-style research modes