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As of Oct 24, the Decoder reports a controlled study finding that switching coding-agent harnesses such as Claude Code, OpenCode, or mini-SWE-agent barely moves pass rates beyond re-running the same setup, while cost per task can roughly triple—driven mainly by system prompts resent at every step.
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- Reported by The Decoder
Fancy agent harnesses raise coding-agent cost without raising pass rates, study finds, per The Decoder
Not confirmed by the company — reported on Oct 24, 2026 (source: the-decoder.com).
The Decoder reports a controlled study finding that switching coding-agent harnesses such as Claude Code, OpenCode, or mini-SWE-agent barely moves pass rates beyond re-running the same setup, while cost per task can roughly triple—driven mainly by system prompts resent at every step.
Source: The Decoder
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