Email flows (Klaviyo) (Content & Copy). Write and optimise email sequences (welcome, abandoned cart, post-purchase, winback). Requirements: Sequence logic; personalisation; tone. Best pick: Claude Sonnet 4.5 - Excellent tone control and sequence planning at good cost. Alternative: GPT-5.2 Thinking - Strong at strategy-level flow design and personalisation. Budget pick: Gemini 3 Pro - Solid all-rounder with good Workspace integration. Recommended models: GPT-5.2 Pro, GPT-5.2 Thinking, Gemini 3 Pro, Gemini 3 Deep Think, Claude Opus 4.6, Claude Sonnet 4.5, Grok 4, Grok 4.1 Fast (Reasoning). Use with caution: GPT-5.2 Instant, Gemini 3 Flash, Claude Haiku 4.5, Grok 4.1 Fast (Non-reasoning), Llama 4 Maverick (Instruct), Llama 4 Scout (Instruct). Roles: Marketing. Stacks: Klaviyo.