Devin vs Copilot CLI

Side-by-side default footprint for the latest captured versions of both agents: request tokens, tool definitions, bundled skills, and sub-agent declarations.

Tokenizer

Benchmark data last updated June 24, 2026 UTC

Token footprint summary

1.07× spread

Copilot CLI loads 1,153 more default tokens than Devin.

Default tokens

claude-opus-4-8 · total-only

17,605

18,758

-1,153

1.07×

Tools

23

16

+7

1.44×

Skills

2

1

+1

2.00×

Sub-agents

4

7

-3

1.75×

Comparisons use each agent's latest captured hibench run. See methodology for capture details.