Subagent spawning
Spawn sub-agents with their own context window to handle tasks in parallel
Baseline Widely available Fully supported by every tracked agent since Jan 2026, when Codex added it. Based on web.dev's Baseline
Orchestration Built-in Tools
Supported
Partial
No
Unknown
Not released
Claude Code Current · Oct 2026 
Codex Current · Oct 2026 
GitHub Copilot Current · Oct 2026 
Cursor Current · Oct 2026 
OpenCode Current · Oct 2026 1.0.0 - 2.1.311
0.92.0 - 0.164.0
0.0.374 - 1.0.103
2.4 - 3.27
0.3.7 - 1.19.4
0.2.31 - 0.2.126
0.2.0 - 0.91.0
—
0.45 - 2.0
0.1.146 - 0.1.192
—
—
—
—
0.1.30 - 0.1.113
Supported by all 5 agents.
HoverTap any cell for version details.