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Comparison

Lasso vs ChatGPT

You've tried pasting supplier data into ChatGPT. It works for 5 products. What about 5,000?

ChatGPT is great at understanding product data. It can extract attributes from a description, rewrite a title, even generate SEO copy. But the moment you need to do that for hundreds or thousands of products, from multiple suppliers, in a consistent format, with your team... you're back to copy-pasting between browser tabs and spreadsheets.

Lasso is built for exactly that job. Not a chat window. A product data workspace.

The ChatGPT workflow, step by step

You know this routine. Maybe you're doing it right now.

You

I have a supplier Excel file with 200 products. Extract the product name, material, dimensions, weight, and EAN for each row. Return as a table.

ChatGPT

Here are the extracted attributes for the first 10 products: [table]

You

Great. Now do the remaining 190.

ChatGPT

Here are products 11-30. Note: some rows had missing weight data, so I left those blank. Also, I changed "rozměry" to "size" instead of "dimensions." Hope that's okay!

You

No, keep it as "dimensions." And use the same format as the first batch. Also the material column: you wrote "stainless steel" for some and "nerez ocel" for others. Pick one language.

ChatGPT

Got it, I'll standardize to English. Here are products 31-50. [table with slightly different column order than before]

You

The columns are in a different order now. And you skipped the EAN on half of these. Can you redo 31-50 and then continue with the rest? Same format as the first 10.

ChatGPT

I apologize for the inconsistency. Here are products 31-50 again. For the remaining 150 products, could you paste them in batches of 20? My context window may not handle the full file at once.

You

...

The result:

You spent hours doing what should take minutes. And next month, when the supplier sends an updated catalog, you start from scratch.

Same task, two ways

The task: Extract product attributes from a 200-row supplier Excel file. Map them to your store's schema. Export ready for import.

With ChatGPT

  1. 1.Open the file, copy a batch of rows
  2. 2.Write a prompt explaining what attributes you need
  3. 3.Paste rows into ChatGPT, get results back
  4. 4.Copy output into a spreadsheet
  5. 5.Repeat for remaining rows (dealing with rate limits and context loss)
  6. 6.Review for inconsistencies across batches
  7. 7.Manually reformat to match your store's import format
  8. 8.Hand-fix the products ChatGPT misunderstood
Time:3 to 6 hours, depending on complexity
Reusability:Zero. Next file, same work.
Team handoff:Send a Notion doc with your prompt and hope for the best.
Lasso

With Lasso

  1. 1.Upload the supplier file (CSV, Excel, PDF, XML, plain text)
  2. 2.Select or create a schema (your store's product structure)
  3. 3.Lasso extracts and enriches all 200 rows using AI agents
  4. 4.Review in a spreadsheet-style workspace. Fix exceptions inline.
  5. 5.Export in your store's format, or push directly to Shopify.
Time:Minutes for the extraction. Review time depends on data quality.
Reusability:The schema is saved. Next supplier file uses the same structure. Even the prompts are auto-generated per column.
Team handoff:Share the table. Your colleague sees the same workspace, same data, same progress.

ChatGPT

0products processed

Lasso

0products processed

What makes Lasso different

Your product structure, defined once

Create a schema that matches your store's exact requirements. Column types, attribute names, validation rules. Every extraction uses it. Every supplier maps to it. Change it once, it applies everywhere.

ChatGPT has no concept of a persistent schema. Every conversation starts blank.

AI agents, not chat prompts

Lasso runs specialized AI agents across your entire table. Not one product at a time. Hundreds or thousands of products, processed in parallel. Each column can have its own prompt, auto-generated based on context. You control what runs and when.

ChatGPT processes one prompt at a time in a single conversation thread.

A workspace, not a chat window

See all your products in a spreadsheet-style table. Filter, sort, search, multi-select. Edit cells inline. Track what's been processed, what failed, what needs review. Work with your team in real time with live collaborative editing.

ChatGPT gives you a conversation. You're responsible for organizing the output.

Export that matches your store

Export to CSV in your store's exact format using configurable export keys. Push to Shopify directly. Or import into your product catalog with built-in deduplication. Shadow fields let you include computed data without cluttering your main view.

ChatGPT gives you text. Getting it into your store is your problem.

When ChatGPT is the right choice

This page isn't about ChatGPT being bad. It's about using the right tool for the job.

Use ChatGPT when:

  • You need to process fewer than 10 products, once
  • You're exploring what attributes to extract and want to iterate on prompts quickly
  • You need a one-off rewrite of a product description
  • You're prototyping a workflow before committing to a tool

Use Lasso when:

  • You process supplier data regularly (weekly, monthly, per new catalog)
  • You need consistent output across hundreds or thousands of products
  • Multiple people touch the product data
  • Your output needs to match a specific store format or feed spec
  • You want the extraction to be repeatable without re-prompting every time

Bonus: why product data quality matters more than ever

ChatGPT Shopping now recommends products based on structured product feeds, not website content. If your product data is incomplete, inconsistent, or poorly structured, ChatGPT won't surface your products to shoppers.

That means the same data quality problem that Lasso solves for your internal catalog also affects whether your products show up in AI-powered shopping results. Clean, structured, attribute-rich product data isn't just an operational efficiency play anymore. It's a visibility play.

Lasso helps you get there systematically, not one ChatGPT conversation at a time.

Try Lasso with your own supplier file