IDE4 vs Cursor vs GitHub Copilot

The short version

Cursor and GitHub Copilot are both excellent tools, and both are editors with a metered model budget attached. You pay a monthly subscription, that subscription includes a pool of model usage, and when the pool runs out you either stop or pay more.

IDE4 is a Windows desktop workspace that drives coding agents you already have access to. It connects to your existing Codex or Claude Code account, so the model usage comes out of the plan you are already paying Anthropic or OpenAI for. IDE4 adds no model billing of its own.

That is the entire difference in one line: the others sell you model access; IDE4 uses the model access you already bought.

Side by side

What Cursor actually charges

Cursor's pricing page lists Hobby (free), Individual at $20/month, Teams at $40/user/month, and custom Enterprise pricing. Every plan carries a usage pool, and the page is explicit that you can spend past it:

"Every plan includes a set amount of model usage. On-demand usage allows you to continue using models after your included amount is consumed, billed in arrears."

cursor.com/pricing, checked 9 September 2026

"Billed in arrears" is the important phrase. The $20 is a floor, not a ceiling. For light use that is irrelevant; for a heavy agent workflow it is the number that actually matters, and it is not knowable in advance.

What GitHub Copilot actually charges

Copilot lists Free, Pro at $10/user/month, Pro+ at $39, and Max at $100. In 2026 its usage currency is GitHub AI Credits, where 1 AI credit = $0.01 USD. Pro includes $15/month of credits, Pro+ $70, and Max $200. Crucially, not everything draws them down:

"You use credits when you chat with Copilot, work with agents, or use Copilot CLI, Spaces, and Spark. Code completions and next edit suggestions don't use credits."

github.com/features/copilot/plans, checked 9 September 2026

So Copilot is generous if you mainly want autocomplete, and metered precisely where agent work happens. Pro, Pro+ and Max can all purchase additional credits beyond the included allowance.

Why IDE4 has no model bill

IDE4 does not resell model access, so there is nothing for it to meter. It signs in to the coding accounts you already hold:

• Claude Code — Anthropic's docs state that its surfaces "require a Claude subscription or Anthropic Console account", so a Claude plan is a first-class way to run it, not a workaround.
• Codex — OpenAI's pricing documentation states that "ChatGPT Work and Codex are included in your ChatGPT Free, Go, Plus, Pro, Business, Edu, or Enterprise plan." Using an API key instead is billed separately at API rates.

If you already pay for Claude Pro/Max or ChatGPT Plus/Pro because you use them anyway, that spend is already sunk. IDE4's position is that a desktop workspace should sit on top of it rather than start a second meter beside it.

Your provider's own plan limits still apply, and running several agents at once consumes that allowance faster. IDE4 shows the remaining allowance per connected account so the number stays visible while you work.

Where IDE4 is the wrong choice

A comparison that only flatters the author is not worth reading. IDE4 is genuinely not for you if:

• You are not on Windows. IDE4 ships a Windows x64 installer. There is no macOS or Linux build. Cursor and Copilot both cover all three.
• You want inline autocomplete as you type. That is Copilot's core strength and it does not consume credits. IDE4 is built around delegating tasks to agents, not completing your current line.
• You do not already pay for Claude or ChatGPT. The economics only work if that subscription already exists. Starting one purely for IDE4 removes the advantage.
• You need a mature, long-established product. IDE4 is an actively developed prototype. Cursor and Copilot are far more established, with bigger ecosystems and support.

Which one fits which person

Choose Copilot if you want strong autocomplete inside the editor you already use, with predictable cost for completion-heavy work.

Choose Cursor if you want a polished cross-platform editor built around AI, and you are comfortable with usage billed in arrears when you push it hard.

Choose IDE4 if you are on Windows, already pay for Claude or ChatGPT, and want to run several agents in parallel against that existing plan without a second bill.