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Google adds per-cell citations to Fill with Gemini and lifts its batch limit to 3,000 cells

· by Pondero Newsdesk

The short version

Google's October 28 update lets Fill with Gemini show the web page behind each AI-filled cell in Sheets and raises its per-request cap well past the original limit.

Google adds per-cell citations to Fill with Gemini and lifts its batch limit to 3,000 cells

Fill with Gemini could already pull data from the web straight into a spreadsheet cell with no formula required. Starting October 28, each of those cells can also show the exact page the answer came from, and the feature can process far more cells in a single request than it could a week earlier.

What

Google's Workspace Updates blog said Fill with Gemini now attaches a source citation to individual cells that pull web data, so a user can open a cell and see which page the AI drew from per Google's Workspace Updates blog. The same post raised the tool's per-request cap to 3,000 cells, up from its earlier limit, and Google said the feature now fills a 500-cell task roughly 55 times faster than typing the values by hand per Google's Workspace Updates blog. That claim builds on the original April 2026 launch, when Google cited a 95-participant study showing the tool filled a 100-cell task 9 times faster than manual entry per Google, reported by Gadgetbond. Fill with Gemini runs on Workspace Business Standard and Plus, Enterprise Standard and Plus, the AI add-ons, and consumer Google AI Pro and Ultra plans, per Google.

Spreadsheet users can now trace an AI-filled number back to its source

Before this update, a cell Fill with Gemini populated from the web looked identical to one someone typed by hand. There was no way to check where a number or fact came from without searching it again yourself. The per-cell citation gives anyone building a pricing table, a competitor list, or a vendor comparison a way to click through and confirm a fact before it lands in a report. That check matters more as the per-request ceiling climbs: a 3,000-cell batch carries far more individual facts than a 100-cell one did, and more facts means more chances for the model to miss or misstate something. A citation only shows where Gemini says it looked. It does not guarantee the linked page actually backs the text in the cell, so the burden of spot-checking still falls on whoever ships the sheet.

What to watch next

Google has not published a benchmark for how often the cited source actually matches the generated text, particularly at the new 3,000-cell ceiling where errors get harder to spot by eye across a large range. Whether citation accuracy holds at that scale, not just the speed and attribution features themselves, will decide if spreadsheet teams trust the tool for data that feeds into real reports.

Sources