# Grok Build 0.1

Grok Build 0.1 is a model from xAI, released on 19 May 2026. The context window is 256,000 tokens. Pricing is $1.00 (Input ≤ 199,999 tokens); $2.00 (Input > 199,999 tokens) per million input tokens and $2.00 (Input ≤ 199,999 tokens); $4.00 (Input > 199,999 tokens) per million output tokens.

- Developer: xAI
- Id: grok-build-0.1
- Released: 2026-05-19T00:00:00.000Z
- Sighting: 2026-10-07T19:45:27.953Z
  - [evidence link](https://models.dev/#grok-build-0-1)
- Status: Released
- API availability: 2026-05-29
  - [evidence link](https://x.ai/news/grok-build-0-1)
- Canonical: https://alexgetman.com/models/xai/grok-build-0-1/

## Questions

### What is the context window of Grok Build 0.1?

The context window is 256,000 tokens.

### How much does Grok Build 0.1 cost?

Pricing is $1.00 (Input ≤ 199,999 tokens); $2.00 (Input > 199,999 tokens) per million input tokens and $2.00 (Input ≤ 199,999 tokens); $4.00 (Input > 199,999 tokens) per million output tokens. Cached input is $0.20 (Input ≤ 199,999 tokens); $0.40 (Input > 199,999 tokens) per million.

### When was Grok Build 0.1 released?

On 19 May 2026.

## Evidence links

- [xai-model-index](https://docs.x.ai/developers/models)
- [review](https://docs.x.ai/developers/models/grok-build-0.1)
- [xai-pricing](https://docs.x.ai/developers/pricing)
- [models-dev](https://models.dev/#grok-build-0-1)
- [xai-articles](https://x.ai/news/grok-build-0-1)

## Signals