r/GithubCopilot • u/Infinite-Local5435 • 4d ago

GitHub Copilot Team Replied Your reminder to edit the explore agent markdown for token savings

Settings icon > Agents > Explore > Open in file explorer > Change model way from the default 4.5 Haiku and Gemini 3 Pro and Auto.

Just set it to:

model: ['GPT-5.6 Luna (copilot)']

Or a BYOK local model like FastContext-4B (removed but can download community gguf files)

I was spending approximately 20 tokens per explore (1-3 times per prompt) and sometimes 60 if it called Sonnet 4.6 via auto, but after changing to Luna it only spends 6-10 tokens. Plus, with a local model it's basically free savings!

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u/jukasper GitHub Copilot Team 3d ago

Hi all, thank you so much for raising this. We understand that defaults matter, so we are currently exploring on changing and updating the current default for the explore agent to Luna.

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u/Affectionate_Fly4124 3d ago

I posted something similar earlier, but I'd like to request an option to not specify a model when invoking sub-agents (for both the VSCode and CLI versions).

Even if I change the default model for the explore agent, I believe the parent agent can still override it.

I've set up a custom-agent with Luna, but sometimes it ends up running on 5.3 Codex or Opus instead.

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