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ChatGPT Plus vs Claude Max 20x
ChatGPT Plus is our pick of the standard band; Claude Max 20x is our pick of the top band. Claude Max 20x costs $200/mo, 10x ChatGPT Plus's $20/mo.
Our verdict
The OpenAI ladder. Every paid ChatGPT rung runs the same Codex CLI and the same GPT 5.6 models; upgrading changes the weekly allowance and nothing else. Plus is already the lightest quota burn we measure, about 3% of its window per real-world run, so the upper rungs sell headroom most people never touch.
The Anthropic ladder. Every Claude plan is Claude Code on the same 5-hour rolling window, and a bigger rung buys a bigger allowance. The exception is Fable, which ships only on the Max tiers, so $20 buys Opus 5 and Sonnet 5 rather than the flagship. Our paired runs put the real 5x-to-20x gap nearer 5.7x than the advertised 4x.
ChatGPT Plus is our pick of the standard band; Claude Max 20x is our pick of the top band.
ChatGPT Plus is for steady everyday use where headroom matters more than raw capability; Claude Max 20x is for all-day work with several agents running at once.
Claude Max 20x costs $200/mo, 10x ChatGPT Plus's $20/mo.
Our whole suite fits about 30 to 40 times a week on ChatGPT Plus and about 3 to 20 times per 5h window on Claude Max 20x. Each figure is a share of its own plan's allowance.
None of the GPT 5.6 models is the one we would pick on capability alone. What Plus has is the meter: one real-world run costs about 3% of the weekly window, the lightest burn we measure anywhere, so the limit is never what stops you. This is the plan where you stop thinking about quota.
Pros
- One run costs ~3% of the weekly window, the lightest burn we measure
- Three GPT 5.6 models to switch between
- The quickest medians in the field
Cons
- The models sit mid-field, not at the front
- Headroom is the whole pitch
Best for Steady everyday use where headroom matters more than raw capability.
How far it goes: about 30 to 40 times a week
Our whole Real-world issues suite runs about 30 to 40 times a week on this plan, depending on which model you run.
That works out at about 11c to 16c of the subscription per run, at the list price.
Measured on this plan, at 2.4% to 3.5%/1w of its allowance per run. A share belongs to the plan it was measured on, so we never subtract one plan's from another's.
The strongest models available with the window to run them in parallel. It is also the easiest plan here to overpay for: Max 5x clears most single-agent days at half the price, so the honest case for 20x is several agents at once, not more capability.
Pros
- The strongest models available today
- Enough window for several agents at once
- The widest model choice of any plan here
Cons
- Max 5x covers most single-agent days for $100 less
- The value case leans on the current promotion
Best for All-day work with several agents running at once.
How far it goes: about 3 to 20 times per 5h window
Our whole Real-world issues suite runs about 3 to 20 times per 5h window on this plan, depending on which model you run.
That works out at about 7c to 47c of the subscription per run, at the list price.
Measured on this plan, at 5% to 34%/5h of its allowance per run. A share belongs to the plan it was measured on, so we never subtract one plan's from another's.
Verdicts and prices are the quiz's versioned editorial catalog, last reviewed 2026-08-20; usage figures come from our own published runs and stay a share of each plan's own allowance. Any other pair composes on the subscription comparison, and the quiz turns your answers into a recommendation.
Frequently asked questions
Which should I pick, ChatGPT Plus or Claude Max 20x?
ChatGPT Plus is our pick of the standard band; Claude Max 20x is our pick of the top band. ChatGPT Plus is for steady everyday use where headroom matters more than raw capability; Claude Max 20x is for all-day work with several agents running at once.
How much do ChatGPT Plus and Claude Max 20x cost?
ChatGPT Plus costs $20/month (public price as of 2026-08-12); Claude Max 20x costs $200/month (public price as of 2026-08-12).
How far does a suite run go on ChatGPT Plus versus Claude Max 20x?
Our whole Real-world issues suite fits about 30 to 40 times a week on ChatGPT Plus. Our whole Real-world issues suite fits about 3 to 20 times per 5h window on Claude Max 20x. Each figure is a share of that plan's own allowance, so the two are never subtracted.