Official2026-06-14

DeepSeek's official GitHub Copilot guide now documents a DeepSeek V4 chat extension with Pro, Flash, MCP, and optional vision proxy support

Checked on June 14, 2026: DeepSeek's official GitHub Copilot integration page now documents a VS Code extension that adds DeepSeek V4 Pro and Flash to Copilot Chat, keeps agent mode, tool calling, skills, and MCP, and adds an optional vision proxy path.

Accepted official-source monitoring note

Today's accepted item stays DeepSeek-first and uses current official DeepSeek documentation because the public X surface is still login-friction-heavy and did not expose a newer safely verifiable post than the homepage anchor that was already covered earlier this week.

What we verified on June 14, 2026

  • DeepSeek now has an official GitHub Copilot integration page in its API docs for a VS Code extension called DeepSeek V4 for Copilot Chat.
  • That official page says the extension adds DeepSeek V4 Pro and DeepSeek V4 Flash directly into the GitHub Copilot Chat model picker.
  • The same official page says users keep Copilot's agent mode, tool calling, skills, and MCP while routing model work to DeepSeek.
  • DeepSeek also documents optional thinking-effort controls with None, High, and Max choices inside the model picker.
  • The same page documents an optional vision-proxy path: when a screenshot is dropped into chat, another installed Copilot model can describe the image before forwarding text to DeepSeek, because DeepSeek V4 itself is text-only.
  • DeepSeek's English homepage still points its public social anchor to @deepseek_ai, which remains the safest official X-account confirmation even though the X page itself is not safely crawlable here.

Why this is publishable

This is not framed as a new stocked product or a broad market rumor. It is a current official developer-integration signal that matters for real DeepSeek adoption:

  1. It shows DeepSeek is documenting a first-party path into a major coding surface beyond Claude Code.
  2. It gives a concrete official workflow for teams that already live inside VS Code and Copilot Chat.
  3. It adds a new official docs topic that is not a duplicate of the June 10 Claude Code Web Search page or the June 11 rate-limit docs check.

Why this matters for DeepSeek-first SEO pages

  • GitHub Copilot comparison and migration pages can now reference an official DeepSeek integration surface, not just generic OpenAI-compatible API swaps.
  • Setup guides should explain that DeepSeek V4 remains text-only, even when the extension can proxy image descriptions through another installed Copilot model.
  • Cost-control pages should keep Pro-versus-Flash routing visible, because the extension exposes both choices inside Copilot Chat.

Rejected candidates today

  • The same April 24 homepage X anchor: still official, but already published and therefore a duplicate-content risk.
  • The June 10 Claude Code Web Search page: still official, but already covered in the current news set.
  • Status page uptime alone: official, but weaker and less actionable than the current GitHub Copilot integration page.
  • Community posts about Copilot alternatives or unofficial extensions: useful discovery leads only, but weaker than the official DeepSeek docs page that states the integration contract directly.

Editorial takeaway

The safest official DeepSeek story today is a GitHub Copilot integration documentation check: DeepSeek's own docs now describe a VS Code extension that places V4 Pro and V4 Flash inside Copilot Chat, keeps Copilot's agent features and MCP, and exposes a vision-proxy fallback without pretending DeepSeek V4 is natively multimodal.

Sources checked

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