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SpaceXAI: Grok Build 0.1

x-ai/grok-build-0.1

SpaceXAI: Grok Build 0.1 (x-ai/grok-build-0.1) costs $1 per 1M prompt tokens and $2 per 1M completion tokens, has a 256,000-token context window, and supports tool calling, structured outputs, reasoning and response format. Data updated 2026-10-30.

Prompt price
$1 / 1M tokens
Completion price
$2 / 1M tokens
Context
256,000 tokens
Input modalities
text, image, file
Output modalities
text
Tokenizer
Grok
Instruct type
—
Knowledge cutoff
—
Hugging Face
—

Last price change: 2026-05-21

Grok Build 0.1 is SpaceXAI’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...

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