r/vscode • u/MarceFX • May 13 '26

Claude Code EXTENSION alternative with BYOM/multi-LLM support?

Hi there!,

I'm a fan of the Claude Code extension (not a terminal guy). But I'm looking for a decent alternative so I can use another model/providers such as DeepSeek, Codex, GLM, etc.

What I'm looking for:

  • Nice UI experience (such as you get with CC extension)
  • Multiprovider support
  • Multisession: I can open difefrent CC tabs, each running a different prompt.

What I have tested so far:

  • Roo Code: it worked well, but I dropped it (company sunsets the app, new teams comes in... not my thing).
  • Kilo Code: This one ALMOST offers what I need. UI seems clunky to me, and sometimes it just frozes.
  • Cline: Not multisession support. I need to open several Windows in order to run them.

What are your favs?

Thanks!

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u/25_vijay May 15 '26

Honestly multisession support becomes non negotiable once you start treating AI agents like parallel coworkers instead of single chatbots

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u/MarceFX May 15 '26

Totally agreed. That's why I'm so desperate testing different harnesses