ChatGPT Atlas vs Perplexity Comet vs FillApp - Speed Test

Nov 8, 2025

1 min read

ChatGPT Atlas vs Perplexity Comet vs FillApp - Speed Test

We put two general-use AI browsers, ChatGPT Atlas and Perplexity Comet, head to head with FillApp, a Chromium-based browsers designed for B2B workflows. All three were tested simultaneously filling out the same 30-field shipping form. FillApp completed the entire task independently in just 1 minute and 30 seconds. Meanwhile, both ChatGPT Atlas and Perplexity Comet took approximately 12 minutes and needed human assistance to handle the date fields. Watch the side-by-side comparison below to see how specialized data entry automation delivers 8x faster results than general-purpose AI browsers.

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