SpaceXAI published the Grok Build source on July 15, 2026. The Apache 2.0 Rust tree covers the agent loop, tool dispatch, the TUI, and the extension system. Grok 4.5 stays closed, and external contributions are not acce…
Open-weights releases pressure closed pricing and widen access, changing the build-vs-buy math for the whole ecosystem.
Summaries are aggregated for information only — follow the source link for the full story. Demo entries are illustrative.