[article] Copilot CLI Weekly: BYOK, Rubber Duck, and Direct Mode Flags#130
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[article] Copilot CLI Weekly: BYOK, Rubber Duck, and Direct Mode Flags#130github-actions[bot] wants to merge 1 commit intomainfrom
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- BYOK support enables custom model providers and local models - Rubber Duck cross-model review closes 75% of Sonnet-Opus gap - v1.0.23 adds direct agent mode flags for automation workflows - Provider-agnostic orchestration decouples CLI from GitHub gateway Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This was referenced Apr 11, 2026
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Summary
New weekly digest article covering GitHub Copilot CLI updates from April 4-10, 2026.
What's New This Week
BYOK and Local Models (April 7): GitHub shipped support for bring-your-own-key model providers and fully local models. The CLI now works with Azure OpenAI, Anthropic, or any OpenAI-compatible endpoint (including Ollama, vLLM, Foundry Local). GitHub authentication is now optional. Offline mode enables fully air-gapped workflows.
Rubber Duck Cross-Model Review (April 6): New experimental feature uses a second model from a different AI family to review the primary agent's work at critical checkpoints. Claude Sonnet 4.6 + GPT-5.4 Rubber Duck closes 74.7% of the Sonnet-Opus performance gap on SWE-Bench Pro.
v1.0.23 Release (April 10): Added
--mode,--autopilot, and--planflags to start the CLI directly in a specific agent mode, enabling scripting and automation workflows. Plus multiple UX and stability improvements.Article Details
src/content/articles/copilot-cli-weekly-2026-04-10.mdxKey Themes
This continues the weekly digest series tracking Copilot CLI evolution. Previous article covered /fleet (parallel multi-agent execution) through April 3.