Elliot Arledge argues OpenAI and Anthropic can co-evolve models with their harnesses, making Codex CLI and Claude Code disproportionately strong compared to third-party harnesses.
ive thought more about this so called "harness/model moat" where openai (codex-cli) and anthropic (claude code) can build a model around the harness and vice versa
rendering those tools as the best for those models.
you would assume droid, cursor, and others to be behind on
you would assume droid, cursor, and others to be behind
This finding is one of many signals tracked across Artificial Intelligence. The live feed updates every few hours with new authority voices, debates, and emerging ideas.
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