Technology Overview

The AI technology stack for commerce — foundational models, agentic AI, LLMs, privacy & security, investment costs, and what comes next — based on Book Part 5 of the AI Best Practices for Commerce reference.

Section 3 of 838% complete

Comparing Public LLMs

Which model, for which task, at what cost

Google: Multi-Modal and Web-Connected

Google’s Gemini models brought two unique advantages: exceptional multi-modal understanding and native web connectivity. The Gemini 1.5 Pro model, released in February 2024, demonstrated remarkable visual intelligence, analyzing product images with nuance useful for returns processing, damage assessment, and visual product discovery.

Video understanding opened possibilities like processing assembly instruction videos to generate step-by-step written instructions, identifying common error points where customers struggled. This capability, while imperfect, could dramatically reduce human effort in instruction creation.

Web-integrated search meant Gemini could access current information during inference. For retailers where product specifications and safety requirements changed regularly, this capability provided value as recommendations could incorporate the most recent building codes or product recalls without constant retraining.

The 1-million-token context window in Gemini 1.5 Pro enabled entirely new analysis patterns. Fashion retailers could analyze complete season performance, every product, every sale, every return, in single inferences, finding patterns that would require extensive data engineering to surface through traditional analytics.

Pricing for Gemini models varied significantly by tier and usage. Gemini 2.5 Flash, designed for cost-effectiveness, charged $0.15 per million input tokens for text/image/video and $0.60 per million for standard output ($3.50 with reasoning enabled). Gemini 2.5 Pro, optimized for complex tasks, started at $1.25 per million input tokens for prompts under 200K tokens ($2.50 for longer contexts), with output at $10-15 per million tokens depending on input size.

Enterprise integration with Google Workspace created unique workflows for retailers already using Google infrastructure, with Gemini embedded in Docs, Sheets, and Meet, reducing context switching and keeping data within Google’s security perimeter.

Weaknesses: Reasoning depth lagged behind OpenAI’s o1 models for complex multi-step problems. Tool use reliability was less consistent than Claude’s, requiring more prompt engineering to maintain accuracy. And while Google offered enterprise contracts, its retail-specific expertise and support weren’t as developed as Anthropic’s focused approach.

🌐
Source: AI Best Practices for Commerce, Section 5.3
Share

Last updated: March 12, 2026