Copilot Cloud Agent Adds Faster, Cheaper Models — May 2026

Copilot cloud agent now supports Claude Haiku 4.5 and GPT-5.4-mini — faster, cheaper models for simple tasks. Pick the right model for each job and cut costs by 67%.

Copilot Cloud Agent Adds Faster, Cheaper Models — May 2026

TL;DR

  • Claude Haiku 4.5 and GPT-5.4-mini now available for Copilot cloud agent tasks
  • Both models cost 0.33x less than standard options — pick the right model for the job
  • Use smaller models for simple changes, larger ones for complex work

New

  • Claude Haiku 4.5 — lightweight model for straightforward tasks at 0.33x cost multiplier
  • GPT-5.4-mini — fast, efficient alternative for simple changes at 0.33x cost multiplier
  • Model selection — choose the right model per task instead of one-size-fits-all approach

Update your Copilot cloud agent configuration to use these models. See the GitHub Docs on changing the AI model for setup details.

Source: GitHub Changelog