XaiGrokbalancedVisionTool use

Grok Build 0.1

Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

256K context·~192K words·
Context window256Ktokens

Context window

This model accepts 256K tokens in one request (~192K words of text).

Context window size256K tokens
4K32K128K1M10M

What fits in one request

  • Short document
    About 1,500 words of text
    Fits
  • Long document
    About 37K words of text
    Fits
  • Small codebase
    About 150K words of text
    Fits
  • Full novel
    About 375K words of text
    Won't fit

Specifications

Context size, pricing, and release info in one place.

Context window
256,000 tokens (256K)
Speed tier
balanced
Provider
Xai
Model family
Grok
Release date
May 2026

Capabilities

See which features this model supports, such as vision, tools, and streaming.

Supported (6)
Vision
Supported
Tool use
Supported
Function calling
Supported
Extended thinking
Supported
Streaming
Supported
Prompt caching
Supported
Not supported (2)
Web search
Not supported
Batch API
Not supported

Best for

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Compare Grok Build 0.1

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Frequently asked questions

Short answers about context size and how this model behaves.

Grok Build 0.1 has a context window of 256K tokens (256,000 tokens). This large window is well-suited for long document analysis, extensive codebases, and multi-session agent workflows.

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