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SpaceXAI: Grok Build 0.1 API Pricing

SpaceXAI: Grok Build 0.1 is an API model from x-ai. It costs $1 per 1M input tokens and $2 per 1M output tokens, with cached input at $0.2. Its context window is 256,000 tokens with up to 230,400 output tokens. A workload of 10M input + 2M output tokens costs about $14 per month.
Input
$1
per 1M tokens
Output
$2
per 1M tokens
Cached input
$0.2
per 1M tokens
Context window
256K
256,000 tokens
Blended (80/20)
$1.2
per 1M tokens

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...

How much does SpaceXAI: Grok Build 0.1 cost for a real workload?

At 10M input + 2M output tokens per month, SpaceXAI: Grok Build 0.1 costs about $14 ($10 input + $4 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to SpaceXAI: Grok Build 0.1?

Compare SpaceXAI: Grok Build 0.1 with other models

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Frequently asked questions

How much does SpaceXAI: Grok Build 0.1 cost?

SpaceXAI: Grok Build 0.1 costs $1 per 1M input tokens and $2 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $14.

What is the context window of SpaceXAI: Grok Build 0.1?

SpaceXAI: Grok Build 0.1 has a context window of 256,000 tokens and can return up to 230,400 output tokens per response.

What are cheaper alternatives to SpaceXAI: Grok Build 0.1?

Cheaper models include MoonshotAI: Kimi K2 0711 ($0.57 in / $2.3 out), Z.ai: GLM 4.5 ($0.6 in / $2.2 out), Moondream: Moondream 3 Preview ($0.3 in / $2.5 out). See the full list on this page.

Is SpaceXAI: Grok Build 0.1 free to use?

No. SpaceXAI: Grok Build 0.1 is a paid model at $1 input / $2 output per 1M tokens. 20 free models are listed on the free models page.

Provider: x-ai · Model ID: x-ai/grok-build-0.1 · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices