SpaceXAI
Grok Build 0.1 API pricing
Grok Build 0.1 is SpaceXAI’s model on the API market, released 20 May 2026. Prices are per million tokens in USD, as last read from the price list.
$1.00Input / 1M
$2.00Output / 1M
256KContext
230KMax output
Specification
USD per million tokens- Provider
- SpaceXAI
- Model id
x-ai/grok-build-0.1- Input
- $1.00
- Output
- $2.00
- Cached input
- $0.20
- Context window
- 256K tokens
- Maximum output
- 230K tokens
- Takes
- text, image, file
- Returns
- text
- Tool use
- Yes
- Reasoning
- Yes
- Released
- 20 May 2026
- First tracked
- 17 Sept 2026
At $1.00 per million input tokens, Grok Build 0.1 is dearer than 221 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
More from SpaceXAI
Cheapest input first- Grok 4.3$1.25 in · $2.50 out
- Grok 4.20 Multi-Agent$1.25 in · $2.50 out
- Grok 4.20$1.25 in · $2.50 out
- Grok 4.6$2.00 in · $6.00 out
- Grok 4.5$2.00 in · $6.00 out
Prices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.