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Anthropic, the AI safety and research company, is taking a firm stance on the use of its coding assistant, Claude Code. The move comes as Claude Code competes with offerings like OpenAI’s Codex CLI in the rapidly evolving AI-powered coding landscape. Anthropic has issued takedown notices to a developer attempting to reverse engineer Claude Code, citing its stricter usage license. This contrasts with OpenAI’s more permissive approach and highlights a growing debate around intellectual property and open access within the AI development community. The incident could influence developer perception of Claude Code and Anthropic’s overall strategy in the competitive AI coding assistant market.