Generate Meta Descriptions for Shopify Products with AI

Tested prompts for meta description generator for shopify compared across 5 leading AI models.

BEST BY JUDGE SCORE Claude Haiku 4.5 7/10

The prompt we tested

You are an expert Shopify SEO copywriter specializing in writing high-converting meta descriptions for product pages. Based on the product information provided below, generate optimized meta descriptions that will improve click-through rates from Google search results.

Follow these instructions carefully:
Write each meta description between 140-160 characters, include the primary product keyword naturally, highlight a key benefit or unique selling point, and end with a subtle call-to-action (e.g., 'Shop now', 'Free shipping', 'Order today'). Use active voice, avoid keyword stuffing, and do not use quotation marks or emojis.

Product information:
Product: Organic Cotton Crewneck T-Shirt in Sage Green. Made from 100% GOTS-certified organic cotton, pre-shrunk, unisex fit, available in sizes XS-XXL. Key selling points: sustainable, ultra-soft, ethically made in Portugal, free shipping on orders over $50.

Return 3 distinct meta description variations, each on its own line, numbered 1-3. After each variation, show the character count in brackets.

Model comparison

ModelQualityCostLatencyTokens
Claude Opus 4.7 7 $0.0221 3.6s 370 / 220
Claude Haiku 4.5 7 $0.0010 1.6s 255 / 148
GPT-5.4 6 $0.0022 3.2s 218 / 113
Grok 4.1 Fast Reasoning 7 $0.0001 4.5s 367 / 136

Outputs

Claude Opus 4.7 7/10
1. Discover our Organic Cotton Crewneck T-Shirt in Sage Green, ethically made in Portugal with GOTS-certified cotton. Ultra-soft unisex fit. Shop now. [150]

2. Wrap yourself in sustainability with our sage green organic cotton t-shirt. GOTS-certified, pre-shrunk, and ultra-soft. Free shipping over $50. Order today. [154]

3. Upgrade your basics with our Organic Cotton Crewneck Tee in Sage Green. Ethically crafted in Portugal for lasting comfort. Shop now with free shipping $50+. [157]
Judge notes: Character counts appear inaccurate (e.g., variation 1 is actually 155 characters, not 150), which is a meaningful error for a tool whose core promise is precise length optimization.
Claude Haiku 4.5 7/10
1. Organic cotton crewneck t-shirt in sage green, GOTS-certified and ultra-soft. Ethically made in Portugal with free shipping on orders over $50. Shop now. [155]

2. Sustainable sage green crewneck t-shirt crafted from 100% organic cotton. Pre-shrunk, unisex fit, and ethically produced in Portugal. Free shipping available. Order today. [156]

3. Ultra-soft organic cotton crewneck t-shirt in sage green, GOTS-certified and eco-friendly. Available XS-XXL, made in Portugal with free shipping. Shop the collection. [157]
Judge notes: Variation 2 runs 169 characters (not 156 as claimed), indicating the character counts are inaccurate — a meaningful error for a tool where precise character limits are the core deliverable.
GPT-5.4 6/10
1. Organic cotton crewneck t-shirt in sage green with an ultra-soft unisex fit. Ethically made in Portugal. Free shipping over $50, shop now. [142]

2. Shop the organic cotton crewneck t-shirt in sage green, made from 100% GOTS-certified cotton. Pre-shrunk, soft, sustainable. Order today. [147]

3. Discover our organic cotton crewneck t-shirt in sage green. Pre-shrunk for a lasting fit, ethically made in Portugal. Shop now. [136]
Judge notes: Variation 3 falls outside the required 140-160 character range (136 chars) and the character counts appear inaccurate (variation 1 is actually ~138 chars, not 142), undermining the technical precision the task explicitly required.
Grok 4.1 Fast Reasoning 7/10
1. Discover ultra-soft comfort in our Organic Cotton Crewneck T-Shirt in Sage Green. 100% GOTS-certified, ethically made in Portugal, unisex fit XS-XXL. Free shipping over $50. Shop now! [149]

2. Elevate your style sustainably with the Organic Cotton Crewneck T-Shirt in Sage Green. Pre-shrunk, ultra-soft, ethically sourced from Portugal. Sizes XS-XXL. Order today! [143]

3. Embrace eco-friendly luxury in the Organic Cotton Crewneck T-Shirt in Sage Green. GOTS-certified organic cotton, unisex design, made in Portugal. Free shipping over $50. Get yours! [158]
Judge notes: The variations are competent and follow the brief well, but character counts appear inaccurate (variation 1 is ~186 characters, not 149), which is a meaningful quality control failure for a task where character limits are central to the deliverable.

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