Grok Build 0.1

by xAIChat

Fast Grok coding model tuned for agentic engineering and iterative edits

Context
256K tokens
Max output
256,000 tokens
Released
2026-04-16
Weights
Closed

xai/grok-build-0-1 · also seen as x-ai/grok-build-0.1, spacexai/grok-build-0.1, x-ai/grok-build-0.1-20260520

Specifications

Full facts as recorded, incl. what is unknown.

Released
2026-04-16
Weights
Closed
Input
Text, Image, PDF
Output
Text
Context window
256,000 max across endpoints
Max output
256,000
Providers
2 + 18 gateways, not counted as providers
Epoch Capabilities Index
not evaluated
Direct price range
$1.00 in · $2.00 out per 1M tokens · across all 2 providers
More details
Last updated
2026-06-11
Knowledge cutoff
Developer country
United States of America

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel toolsunknown
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt caching
  • Web searchunknown
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Price history

No change since 19 Oct 2026. The cheapest direct price has been $1.00 in / $2.00 out per 1M tokens at xAI on every data refresh since then.

Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON

Cost calculator

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Similarly priced models

Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs Grok Build 0.1
GPT-3.5 TurboOpenAI$1.17$1.00$2.0016.4K+0%
Grok 3 Mini FastxAI$1.17$0.60$4.00131K+0%
Apertus 70B InstructSwiss AI$1.17$0.82$2.9265.5K+0%
Seed 2.1 ProByteDance Seed$1.18$0.707$3.54256K+1%
Nova ProAmazon$1.20$0.799$3.20300K+3%
Pareto 26.10Unbiased AI$1.20$0.80$3.201.05M+3%
Hy4 previewTencent$1.11$0.834$2.501.05M−5% cheaper
GLM-5V-TurboZ.ai (Zhipu AI)$1.10$0.704$3.10200K−5% cheaper

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Grok Imagine Video 1.52026-05-301Kunpriced
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model