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Microsoft Agentically Ports Copilot Runtime to Rust for $120K

The Register reports that Microsoft's AI agent carried out the port at a cost of $120,000, with the Rust compiler apparently accepting the result without complaint.

· 1 min read · 1 source

According to The Register, Microsoft has ported its Copilot runtime to Rust using an AI agent, with the effort costing $120,000. The story describes the work as "agentic," meaning the LLM was responsible for performing the port rather than merely suggesting code changes.

Notably, the report says the Rust compiler remained unperturbed by the LLM's antics. That detail underscores the significance: the port was not just a high-level plan, but code that actually made it through Rust's strict compilation checks.

Because this is a single source, there are no differing accounts to reconcile. The broader point is that agentic coding is being aimed at runtime infrastructure, not just isolated tasks.

Source

  1. 01Microsoft agentically ports Copilot runtime to Rust for $120KThe Register

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