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Working with files in ChatGPT

OpenAI Blog 10 April 2026, 00:00

ChatGPT now supports file uploads that allow users to analyze data, summarize documents, and generate content from various file formats including PDFs and spreadsheets. Users can upload files directly to ChatGPT's interface and interact with them through the chat interface without needing external tools. This capability expands ChatGPT's utility for document-based workflows and data analysis tasks.

Why it matters

Learn how to upload and work with files in ChatGPT to analyze data, summarize documents, and generate content from PDFs, spreadsheets, and more.

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TLDRocket 21 July 2026

The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.

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Working with files in ChatGPT

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