Anthropic AI for eCommerce. Products: Claude (claude.ai): Anthropic's consumer chat interface known for strong writing quality, careful reasoning, and low hallucination rates. Supports file uploads, projects with persistent context, and extended thinking mode.. Best for: Drafting high-quality product copy, policy documents, customer communications, and any writing-heavy task where tone and accuracy matter more than speed.. Access: Claude Opus/Sonnet/Haiku; 'extended thinking' on some tiers. Anthropic API: The developer platform for integrating Claude models into custom applications. Offers text generation, tool use, vision, and extended thinking with fine-grained control over prompts and parameters.. Best for: Production eCommerce systems — customer support automation, content pipelines, returns/refund logic, and any integration where you need reliable, well-reasoned text output at scale.. Access: claude-opus-4-6; claude-sonnet-4-5; claude-haiku-4-5. Claude Code: A terminal-based coding agent that reads, edits, runs, and tests code across an entire repository. Uses Claude models (typically Sonnet or Opus) under the hood — not a separate model.. Best for: Shopify theme customisation, building eCommerce integrations, debugging complex codebases, and developer-led automation projects.. Access: Powered by Claude models (often Sonnet/Opus depending on settings).. Cowork: Anthropic's agentic assistant that can work with your local files and execute tasks autonomously. Gives Claude the ability to read documents, write files, and take actions on your behalf.. Best for: Autonomous document processing, report generation from local files, and workflow automation where the AI needs to read and act on files without constant guidance.. Access: Powered by Claude models.. Models: Claude Opus 4.6 (claude-opus-4-6): High-quality writing, policy-sensitive work, deep synthesis. Type: Text (flagship reasoning). Great when tone, clarity, and fewer hallucinations matter most. Claude Sonnet 4.5 (claude-sonnet-4-5): Most eCommerce tasks: campaigns, CRO docs, analysis, light dev. Type: Text (balanced). Workhorse model. Often best value for money. Claude Haiku 4.5 (claude-haiku-4-5): Classification, tagging, bulk rewriting, support macros. Type: Text (fast/efficient). Great for speed and scale. Pair with a stronger model for edge cases.