Ways to buy 4
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 xAI APIThe lab's own API · cached $0.2 | $1 | $2 | $1 / $2List price | $0.2 | List price |
| xAI zdr · cached $0.2 | $1 | $2 | $1 / $2Same as list | $0.2 | Same as list |
| xAI priority · cached $0.4 | $2 | $4 | $2 / $4+100% vs list | $0.4 | +100% vs list |
| xAI zdr-priority · cached $0.4 | $2 | $4 | $2 / $4+100% vs list | $0.4 | +100% vs list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $140.00 direct.
Helicone$140.00+0%
Kong AI Gateway$140.00+0%
LiteLLM$140.00+0%
Vercel AI Gateway$140.00+0%
Cloudflare AI Gateway$147.00+5%
Requesty$147.00+5%
Eden AI$147.70+5.5%
OpenRouter$147.70+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Grok 4.7 xAI · 500K | $1.6 | $4.8 | $1.6 / $4.8 | $2.4 | 500K | Lab list price | · |
| Grok 4.6 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok 4.5 xAI · 500K | $2 | $6 | $2 / $6 | $3 | 500K | Lab list price | · |
| Grok 4.3 xAI · 1M | $1.25 | $2.5 | $1.25 / $2.5 | $1.56 | 1M | Lab list price | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.8 FlashGoogle · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Muse Spark 1.1 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 GLM 5.3Z.ai · 1.31M | $0.561 | $1.76 | $0.561 / $1.76 | $0.862 | 1.31M | on Baidu (fp8) | · |
About Grok Build 0.1
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows.
Takes text, image, files in and returns text. First listed May 20, 2026. Up to 230K output tokens. Blended price $1.25 per 1M tokens at 3 input to 1 output. Model id grok-build-0-1.
Price history
List price since May 20, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Across fru.devCompany profile2 acquisitions
Questions
How much does Grok Build 0.1 cost?
$1 per million input tokens and $2 per million output tokens, with cached input at $0.2.
What is the context window of Grok Build 0.1?
256K tokens, with up to 230K tokens of output.
Where is Grok Build 0.1 cheapest?
Of 4 routes tracked, xAI is cheapest at $1 input and $2 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.