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Grok✓ ReviewedTest carefullyChecked 16 August 2026

Grok 4.5 is aiming beyond real-time commentary. Test the work, not the benchmark slide.

xAI positions Grok 4.5 for coding, agentic tasks, knowledge work and Office deliverables, with aggressive pricing and provider-reported efficiency gains.

Bit, the Human Bit guide

Bit’s takeaway

What not to assumeDo not treat provider benchmark results as a universal ranking for coding or Office work.

What changed

xAI released Grok 4.5 through its API, Grok Build and Cursor, pricing it at US$2 per million input tokens and US$6 per million output tokens. The launch also highlights coding, Excel, PowerPoint and Word workflows.

Why it matters

Grok is no longer useful to consider only for current web or X conversation. The provider's benchmark and token-efficiency claims are promising inputs for a test, but they do not establish that its reviewed output fits your codebase, documents or acceptance standard.

Who should care

  • Developers comparing coding agents and API models
  • Teams producing spreadsheets, presentations or research-backed documents

What to do

Give Grok 4.5 one real repository or Office-file task with a fixed source pack and acceptance checklist, then score the final file or diff rather than the launch benchmarks.

The human take

Tools change fast. Your judgment matters more.

The reviewed diff or finished file, not the launch chart, decides whether this model earns a place in the workflow.

Affected guidance

Put this to work

Verified facts

  • xAI released Grok 4.5 through its API, Grok Build and Cursor and positions it for coding, agentic tasks, knowledge work and Office deliverables.Checked

Sources and method

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