Summary
In its August 2026 weekly releases, GitHub Copilot began letting developers set the reasoning level when delegating a task to the Copilot cloud coding agent for models that support it, and started rolling out xAI's Grok 4.6, a reasoning model built for agentic coding and multi-step workflows. The Copilot usage metrics API also began reporting agent app activity broken out by individual agent.
What changed
GitHub Copilot added a per-task reasoning-level control for delegated cloud-agent work, began rolling out Grok 4.6 for agentic coding, and expanded the usage metrics API to report activity per agent app.
Why it matters
Letting teams dial reasoning effort per task trades cost against depth on background agent work, while per-agent usage metrics give managers the observability needed to govern multi-agent fleets. Adding Grok 4.6 continues Copilot's multi-model strategy across Claude, Codex, and xAI.
Evidence excerpt
When you delegate a task to GitHub Copilot cloud agent, you can now set the reasoning level for models that support it... Grok 4.6, xAI's latest reasoning model, is now rolling out in GitHub Copilot and is designed for agentic coding and complex multi-step workflows.