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Issue 001 / A living technical almanac

Rankings never sold

Browser & Computer Use · Head-to-head

Agent-S vs ChatGPT Agent

Agent-S and ChatGPT Agent are both browser & computer use. Agent-S is Agent S: an open agentic framework that uses computers like a human, while ChatGPT Agent is openAI's agent mode that browses, clicks, and completes tasks on the web. Here's an independent, side-by-side look at how they compare — and which fits.

Agent-S

Framework· Open source

Agent S: an open agentic framework that uses computers like a human

Visit Agent-S
ChatGPT Agent

Agent· Paid product

OpenAI's agent mode that browses, clicks, and completes tasks on the web.

Visit ChatGPT Agent

Bottom line

Agent-S and ChatGPT Agent take different routes to the same job: one is a commercial product, the other open-source and self-hostable. Choose based on whether you want a managed experience or full control.

Side by side

SpecAgent-SChatGPT Agent
TypeFrameworkAgent
ModelOpen sourceCommercial
PricingOpen sourcePaid product
GitHub stars11,996
LanguagePython
LicenseApache-2.0
Last activityMay 2026

Key differences

  • ChatGPT Agent is a commercial product; Agent-S is open-source and self-hostable.
  • Pricing model differs — Agent-S is open source, ChatGPT Agent is paid product.

Choose Agent-S if

you want an open-source, self-hostable option you control.

Choose ChatGPT Agent if

you want a managed, commercially-supported product.

About Agent-S

Agent S: an open agentic framework that uses computers like a human

Full Agent-S profile →

About ChatGPT Agent

OpenAI's agent mode that browses, clicks, and completes tasks on the web.

Full ChatGPT Agent profile →

Frequently asked

What's the main difference between Agent-S and ChatGPT Agent?
ChatGPT Agent is a commercial product; Agent-S is open-source and self-hostable.
Is Agent-S or ChatGPT Agent better?
Neither is universally better. Agent-S is the stronger fit for an open-source, self-hostable option you control; ChatGPT Agent for a managed, commercially-supported product. Use the side-by-side specs to decide by your own constraints.
Is Agent-S or ChatGPT Agent free?
Agent-S is free to run and self-host; ChatGPT Agent is a paid product.
Which is more popular, Agent-S or ChatGPT Agent?
We rank open-source projects by GitHub adoption, but at least one of these is a commercial product and stars don't measure commercial adoption — so compare them on capabilities and pricing instead.
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