GitHub Copilot vs Claude for coding: how the cost really compares

A question on Hacker News asked how GitHub Copilot and Claude compare in cost for coding. Here is the short answer first. Then four free skills that keep the bill down, whichever tool you pick.

The short answer: they bill different things

Copilot is sold as a seat. You pay a flat monthly price per person, and paid plans come with an allowance of "premium requests" for the heavier models and agent features. Go past the allowance and extra requests cost more.

Claude is sold two ways. A subscription plan includes Claude Code, with usage limits that reset over time. Or you pay the API per token, so every file read, every command output and every retry is on the meter.

So the honest comparison is not price list against price list. It is how you work:

• Mostly autocomplete and quick chat in the editor? A flat seat is the simpler bill. You will rarely touch the ceiling.
• Handing whole tasks to an agent? Your cost tracks how much the model reads and writes. Long sessions, huge test logs and redo loops drive it up — on a Copilot allowance, a Claude plan limit or an API invoice alike.

Prices change often. Read both pages on the day you decide: Copilot plans and Claude pricing. This article quotes no figures, because a stale number is worse than none.

What you can control is waste. The four skills below are free and open source, and each one cuts a specific kind of wasted run.

Stop raw command output from eating your context

A single install or test run can dump hundreds of lines into a session. Context Mode filters that before it lands. Per its file, it keeps the last 10 lines of output, every line with error, warn, fail, exception, traceback or fatal, the exit code, and a one-line summary. The middle is replaced with a short truncation note.

It also writes a session.log at your project root: files edited, commands run, tasks in progress, your last prompt. When a session resets, it reads the log and carries on with the open task instead of asking you to explain everything again. Re-explaining is paid tokens too.

At the end it hands you a block of text for your CLAUDE.md, so the behavior sticks for that project. Reach for it when your sessions run long or keep losing their place.

Make the model plan before it writes

The most expensive run is the one you throw away. Claude Superpowers locks Claude into four stages: plan, isolate, test first, double review. Its own file names the problem it targets: debugging rounds that burn tokens, and rework that costs more than doing it right the first time.

In practice, Claude writes a plan with the files it will touch, the edge cases it will handle and the ones it won't. Then it waits for your yes. It works on a superpowers/ branch, writes failing tests before the code, and reviews its output twice — once against what you asked, once for code quality — before it shows you anything.

Turn it on for any task big enough that a wrong first draft would cost you a second session.

Get a second model's opinion without switching tools

If you already pay for both sides, you don't have to pick one for everything. The Codex skill lets Claude Code run the OpenAI Codex CLI for you. It defaults to gpt-5.2, asks which reasoning effort you want, and starts in a read-only sandbox unless edits are needed.

Two cost details sit right in the file. Its model table lists gpt-5.2-mini for cost-efficient coding. And it sends Codex's thinking output to /dev/null by default, so that noise does not flow back into your Claude session. The file also says to check current vendor pricing before quoting costs — good advice for this whole topic.

You need the Codex CLI installed (v0.57.0 or later, per the file) and an OpenAI account to run it. Use it to send a review or a refactor to the other model while your main session stays in Claude.

Catch the bug before it costs you another session

A bug found after merge means a new session, new context and new tokens. Code review from the PM Skills set aims for a small number of findings. Each one comes with a concrete execution that breaks the code, and the strongest counterargument already checked. It reviews correctness by default; performance and security are opt-in.

Call it with /pm-ai-shipping:code-review. The file notes that Claude Code ships its own /code-review, so use the qualified name to get this one. It reviews and reports, and only applies fixes when you ask.

So which one should you pay for?

• Pick the flat seat if your day is mostly completion and short questions.
• Pick usage-based Claude if you delegate whole tasks — then run Context Mode and Superpowers so fewer of those runs go to waste.
• Already paying for both? Keep Claude as the driver and hand side jobs to Codex through the Codex skill.

Whichever bill you choose, the cheapest token is the one you never send. All four skills are free, with the full source on their pages. Open one, copy it, and try it in your next session.