Grok Build Models by xAI

xAIProprietary
xAI releases · 16 in the last 12 months · this family litChangelog →
1 model2026Up to 256k ctxFrom $1.00/1M input

Last refreshed 2026-10-10. Next refresh: weekly.

Details

ResearcherxAI
LicenseProprietary
Commercial useCommercial use: conditional
Models1
Released2026
Max context256k

Capabilities

VisionAll models
MultimodalAll models
ReasoningAll models
JSON / Tool useAll models
Structured OutputsAll models

Links

Website

About

Grok Build is xAI's dedicated line of agentic coding models, designed for web development, debugging, multi-step code generation, and MCP-native tool use. Grok Build 0.1, the first release, is a 314B MoE model delivering over 100 tokens/second with a 256K-token context window and native image input support.

Decision facts

Best fit
codevision and multimodal workreasoning
Capability starting point
Grok Build 0.1 with 256k context and reasoning, JSON / Tool use, structured outputs, and multimodal inputs
Lowest tracked input
Grok Build 0.1 · $1.00/1M · xAI Console
Closest related family
Grok 1

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

1 in view
Grok Build 0.1Current

Use when the workload needs code, 256k context, and reasoning.

2026-05code256k contextreasoning

Release Timeline

1 release group
2026-05
1 current
Grok Build 0.1
code256k contextreasoning
Current

Specifications(1 models)

Grok Build model specifications comparison
ModelReleasedContextVisionMultimodalReasoningJSON / Tool useStructured Outputs
Grok Build 0.12026-05256kYesYesYesYesYes

Available From(3 providers)

OpenRouterVercel AI GatewayxAI Console

Pricing

Grok Build model pricing by provider
ModelProviderInput / 1MOutput / 1MType
Grok Build 0.1xAI Console$1$2Serverless
Grok Build 0.1Vercel AI Gateway$1$2Serverless
Grok Build 0.1OpenRouter$1$2Serverless

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