Grok Build 0.1
Grok Build 0.1 is an API-only (closed weights) language model from xAI, released April 16, 2026. The context window is 250K tokens. API price: $1 input / $2 output per million tokens.
Our latest coding model, grok-build-0.1, is now available via the xAI API in public beta. grok-build-0.1 is a coding model specifically trained for agentic coding tasks, including web development, debugging, and MCP support. It's the same model that powers Grok Build.
Check it against your own PC →
Lab
xAI
Released
April 16, 2026
Weights
API-only (closed weights)
Parameters
–
Context
250K
Price / M tokens
$1 / $2 in / out
Epoch ECI
not yet rated
Benchmark results
Epoch AI has not published results for Grok Build 0.1 yet. New models are usually evaluated within days to weeks.
Links
More from xAI
Grok 4.7 · Grok 4.6 · Grok 4.5 · Grok 4.3 Beta · Grok 4.20 Multi-Agent · Grok 4.20 · Grok 4.1 Fast · Grok 4.1