xAI (Grok)

xAI 专为智能体编程训练的快速编程模型，目前处于早期访问阶段。

Grok Build 现已发布 Beta 版，支持交互式 TUI、脚本无头运行以及 Agent Client Protocol。

用户现在可以通过短音频剪辑克隆语音，并将其应用于文本转语音和语音智能体 API。

所有 API 响应现在通过 usage 对象中的 cost_in_usd_ticks 字段包含请求的精确成本。

Every API response now includes the exact cost of the request via a cost_in_usd_ticks field in the usage object. Works across chat completions, Responses API, image generation, video generation, and streaming. For more details, see the Cost Tracking docs.

Every API response now includes the exact cost of the request via a cost_in_usd_ticks field in the usage object. Works across chat completions, Responses API, image generation, video generation, and streaming.

现在可以为上传的文件设置过期策略，过期的文件将被自动删除。

You can now set an expiration policy on uploaded files using expires_after or an explicit expires_at timestamp. Expired files are automatically deleted.

You can now use grok-voice-think-fast-1.0 with the Voice Agent API. To get started, check out the Voice Agent docs. For more details, see our blog post.

The xAI Speech to Text API is now generally available. Transcribe audio to text in 25 languages with batch and streaming modes. For more details, check out the Speech to Text docs.

The Text-to-Speech API is now generally available. Generate natural-sounding speech from text with Grok. For more details, check out the Text-to-Speech docs.

The Batch API now supports image generation , image editing , and video generation in addition to chat completions. Both server-side tools and client-side function tools are also now supported in batch requests. Image and video URLs in batch results expire after 1 hour.