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Feature Guide

Best AI for Document Upload

AI assistants that accept uploaded documents for analysis and question-answering.

By Council Research TeamUpdated: Jan 27, 2026

Why Document Upload Matters

Document upload lets you work with your actual files instead of copy-pasting content.

AI Models with Document Upload

Claude

Claude

Best Choice

Anthropic

PDFs, code files, and images up to 200K context

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ChatGPT

ChatGPT

OpenAI

PDFs, Word, Excel, images, and code files

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Gemini

Gemini

Google

Documents, images, audio, and video uploads

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Perplexity

Perplexity

Perplexity AI

PDF upload for research queries

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Compare AI Models with Document Upload

Test how different AI models use document upload for your specific needs.

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