Composio(@composio):Here's how all 6 harnesses compared on task success rate: Codex, Hermes Agent, and Command Code tied for the lead at 21/29. Claude Code was one task behind, while OpenCode and Pi Agent finished at 19/29. The spread was about 7 percentage points. Only 3 tasks produced different results across harnesses: 18 passed across the board, and 8 tasks also failed across all harnesses.

Composio

@composio

Your agent is smart. Its tools should be too. Check

가입 October 2023

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Composio@composio

2026.09.16 19:38

Here's how all 6 harnesses compared on task success rate: Codex, Hermes Agent, and Command Code tied for the lead at 21/29. Claude Code was one task behind, while OpenCode and Pi Agent finished at 19/29. The spread was about 7 percentage points. Only 3 tasks produced different results across harnesses: 18 passed across the board, and 8 tasks also failed across all harnesses.