Grok Build 0.1: release date and what it's for
Released , according to xAI's release notes. The coding model, which xAI's release notes still list as early access. The old grok-code-fast names are aliases onto this now.
- Status
- Live
- Released
- Lab
- xAI
- Input
- $1per million tokens
- Output
- $2per million tokens
- Context window
- 256Ktokens
- Max output
- Not published
API model ID: grok-build-0.1
What we've written about Grok Build 0.1
September 23, 2026
Grok 4.7, Grok 4.8 and Grok Build: which Grok is out and what each one is for
Grok 4.7 shipped ten days after Musk said it needed a few more days, and the next one has a size but no date.
How Grok Build 0.1 compares on price and context
inputoutput
- GPT-6 Astra$10 / $50
- Grok 4.7$2 / $6
- Grok 4.6$2 / $6
- Grok 4.5$2 / $6
- Muse Spark 1.3$1.25 / $4.25
- Gemini 3.8 Flash$0.75 / $3.75
- Grok Build 0.1$1 / $2
how much it reads at once
- GPT-6 Astra1.05M
- Muse Spark 1.31.05M
- Gemini 3.8 Flash1.05M
- Grok 4.7500K
- Grok 4.6500K
- Grok 4.5500K
- Grok Build 0.1256K
Next to the newest xAI models and the current model from other labs. Prices are in US dollars per million tokens.
What is Grok Build 0.1?
Grok Build 0.1 is a model from xAI, built in the US. It's out, and you can use it today.
When did Grok Build 0.1 come out?
xAI released it on May 19, 2026. That date comes from xAI's release notes.
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More news: xAI news and Grok updates
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