Updated April 29, 2026
Cline is the OG open-source autonomous coding agent for VS Code with 5M+ installs. It creates and edits files, runs terminal commands, controls the browser, and supports MCP — all step-by-step with your permission. Free OSS extension; pay only for AI inference. Teams plan: $20/user/mo (first 10 seats free).
GitHub Copilot is the most widely deployed AI coding assistant, integrated into VS Code, JetBrains, Visual Studio, and more. Five tiers: Free, Pro ($10/mo), Pro+ ($39/mo), Business ($19/user/mo), Enterprise ($39/user/mo). Moving to usage-based AI Credits billing on June 1, 2026.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
It's like having a senior dev who actually reads and understands your entire codebase before making suggestions.
Read full reviewMicrosoft's commitment to defend customers against certain intellectual property claims related to Copilot output is a major reason we standardized on Business.
Read full reviewChoose Cline if you wantChoose if you want
Choose GitHub Copilot if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.