Anthropic's Claude Code market share declines by 15% by year-end 2026

Market overview

OpenAI's aggressive feature rollout for Codex, including mobile integration and background automation, will erode Anthropic's market share in the agentic coding tools segment. Businesses and developers will increasingly favor Codex due to its seamless integration with existing OpenAI ecosystems.

adoption prediction market

Implied probability (Yes)

68%

Source: user-generated

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