LLM Reference
OpenRouter

Grok Build 0.1 on OpenRouter

Grok 4 · xAI

Serverless

Last refreshed 2026-05-25. Next refresh: weekly.

Why use Grok Build 0.1 on OpenRouter?

OpenRouter offers Grok Build 0.1 with pay-as-you-go pricing at $1.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Compare Grok Build 0.1 across 3 providers to find the best fit for your use case
Input / 1M
$1.00
Output / 1M
$2.00
Cache
Not sourced
Batch
Not sourced

Setup recipe

Docs fallback
Install
Use the provider REST API or SDK
Auth
Create a provider API key
Call
model: x-ai/grok-build-0.1
Model ID
x-ai/grok-build-0.1

Request example

Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID x-ai/grok-build-0.1.

Gotchas

  • Use provider model ID "x-ai/grok-build-0.1", not the LLMReference slug "grok-build-0.1".

Compare Grok Build 0.1 Across Providers

ProviderInput (per 1M)Output (per 1M)
xAI Console$1.00$2.00
Vercel AI Gateway$1.00$2.00
OpenRouter$1.00$2.00

Pricing

TypePrice (per 1M)
Input tokens$1.00
Output tokens$2.00

Capabilities

ReasoningFunction CallingTool UseStructured Outputs

About Grok Build 0.1

Grok Build 0.1 is xAI's agentic coding model launched May 14, 2026. It is the direct replacement for grok-code-fast-1 and is intended for coding-agent workflows with a 256K token context window.

FAQ

What does Grok Build 0.1 cost on OpenRouter?

On OpenRouter, Grok Build 0.1 costs $1.0 per 1M input tokens and $2.0 per 1M output tokens.

What is the context window for Grok Build 0.1 on OpenRouter?

Grok Build 0.1 supports a 256,000 token context window on OpenRouter.

How does OpenRouter compare to other Grok Build 0.1 providers?

Grok Build 0.1 is available from 3 providers. The cheapest input pricing is $1.00/1M tokens from xAI Console.

What API model ID do I use for Grok Build 0.1 on OpenRouter?

Use the model ID x-ai/grok-build-0.1 when calling OpenRouter's API.

Who created Grok Build 0.1?

Grok Build 0.1 was created by xAI as part of the Grok 4 model family.

Is Grok Build 0.1 open source?

Grok Build 0.1 is not open source; the seed data lists it as proprietary.

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