SpaceXAI: Grok Build 0.1

SpaceXAI: Grok Build 0.1 is a large language model from xAI. It costs $1.00 per million input tokens and $2.00 per million output tokens. Its context window is 256K tokens.

ReasoningTool callingStructured outputPrompt cachingimage inputfile input

Input / 1M tokens: $1.00
Output / 1M tokens: $2.00
Cached input / 1M: $0.200
Context window: 256K

This model also charges $0.005 per search request

That is $5.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.002, so the search fee is 2.5× the token cost. Per-token rankings elsewhere ignore this entirely.

Who serves it cheapest

1 hosts serve Grok Build 0.1. Same weights, same API - the price difference is pure margin and routing.

Providers serving SpaceXAI: Grok Build 0.1, cheapest first
Provider	Input / 1M	Output / 1M	Context	Throughput	Uptime 24h
xAICheapest	$1.00	$2.00	256K	-	99.2%

Benchmarks

Independent scores published alongside the catalogue.

Coding index: 51.5

About Grok Build 0.1

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...

Specifications

SpaceXAI: Grok Build 0.1 specifications
Model ID	`x-ai/grok-build-0.1`
Provider	xAI
Context window	256K tokens
Max output	230K tokens
Input modalities	text, image, file
Output modalities	text
Knowledge cutoff	-
Open weights	No
Released	May 20, 2026

Cheaper alternatives

Models that cost less than Grok Build 0.1 while keeping at least half its context window and every input modality it supports.

Gemini 3 Flash Preview

$0.500 in · $3.00 out

1.1× cheaper

Gemini 3.5 Flash Lite

$0.300 in · $2.50 out

1.5× cheaper

Nova 2 Lite

$0.300 in · $2.50 out

1.5× cheaper

Gemini 2.5 Flash

$0.300 in · $2.50 out

1.5× cheaper

Mistral Medium 3.1

$0.400 in · $2.00 out

1.6× cheaper

Frequently asked

How much does SpaceXAI: Grok Build 0.1 cost?

$1.00 per million input tokens and $2.00 per million output tokens. Cached input reads cost $0.200 per million tokens.

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

256K tokens, with up to 230K tokens of output per request.

Does SpaceXAI: Grok Build 0.1 have extra fees beyond per-token pricing?

Yes. SpaceXAI: Grok Build 0.1 charges $0.005 per search request - $5.00 per 1,000 requests - on top of $1.00 per million input tokens and $2.00 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 2.5× the token cost.

Confirm against the source: xAI official pricing.