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Open-Science vs GPT Researcher: catalog facts
Open-Science	GPT Researcher
Free Free and open source; model usage may cost depending on the provider chosen.	Free Free and open source; you pay for any LLM or search APIs you connect.
Windows, macOS, Linux	Web, Self-hosted, Command line
Runs Python and R code inside the workspace Choice of AI model	Writes cited reports from web and local sources Works with many LLM providers
Results depend on the AI model used Aimed at scientific research rather than general tasks	Requires API keys and some setup Report quality depends on the model and sources used
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.