Grok 4.5 Opens Free Tier and Integrates with Developer Tools

Between July 10 and 11, xAI's official Grok account announced that the Grok 4.5 model is officially available for a free tier trial. By simply using an X or SuperGrok account, users can access the model via the Grok Build platform and provide feedback. This move lowered the barrier to entry for developers and quickly attracted community attention.

Model Positioning and Developer Tool Integration

Elon Musk, resharing the official news, specifically emphasized that Grok 4.5 is a new Opus-class model featuring a "fast speed and low cost" profile, making it highly suitable for real-world programming and engineering tasks. To facilitate developer usage, SpaceXAI announced that Grok 4.5 can be accessed for free within the Grok Build CLI and Cursor. Community members even shared installation methods providing a direct curl command-line startup script.

Synchronous Grok Build Version Update

Alongside the opening of Grok 4.5, Grok Build received a version update to 0.2.95. According to developer @markk, this update includes several specific functional improvements, such as supporting the definition of default allowed commands for teams via the managedconfig.toml file, further enhancing the flexibility of team collaboration and tool management.

2026-07-10 ~ 2026-07-11 · 9 related posts

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