What is the difference between ChatGPT Pro and Claude Max?

ChatGPT Pro costs $100 a month (5x higher rate limits than Plus; GPT-5.3-Codex-Spark research preview). Claude Max costs $100 a month (5x Pro’s usage per five-hour session; Priority access to new models and features).

Is Claude Max worth it?

Claude Max is worth it if you regularly run out of ChatGPT Pro’s included usage; otherwise the extra $0 a month buys capacity you won’t use.

Which models do ChatGPT Pro and Claude Max use?

ChatGPT Pro: GPT-6.1 Sol, GPT-6 Sol, GPT-6 Luna, GPT-6 Astra, GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna. Claude Max: Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 4.5, Claude Fable 5.1.

ChatGPT Pro vs Claude Max

ChatGPT Pro and Claude Max cost the same, $100 a month, so the choice comes down to which models and features you need.

US prices from official pricing pages, verified October 3, 2026.

Power user

ChatGPT Pro

$100/mo

5x higher rate limits than Plus
GPT-5.3-Codex-Spark research preview

Models: GPT-6.1 Sol, GPT-6 Sol, GPT-6 Luna, GPT-6 Astra, GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna

The same $100 buys about 6,250 GPT-6.1 Sol API messages a month.

Power user

Claude Max

$100/mo

5x Pro’s usage per five-hour session
Priority access to new models and features

Max plans also have a weekly usage limit across all models.

Models: Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 4.5, Claude Fable 5.1

The same $100 buys about 3,125 Claude Opus 5.5 API messages a month.

Which should you pick?

Choose ChatGPT Pro if you prefer OpenAI’s models and apps.
Choose Claude Max if you prefer Anthropic’s models and apps.
Many people keep one paid plan and use the free tier of the other for second opinions.
Light or irregular use? Paying per token can cost less than either plan — check the subscription vs API calculator.

Other tiers: ChatGPT Go ($8/mo), ChatGPT Plus ($20/mo), ChatGPT Pro (20x) ($200/mo), ChatGPT Pro ($500) ($500/mo), Claude Pro ($20/mo ($17/mo billed yearly)), Claude Max 20x ($200/mo).

Frequently asked questions

What is the difference between ChatGPT Pro and Claude Max?: ChatGPT Pro costs $100 a month (5x higher rate limits than Plus; GPT-5.3-Codex-Spark research preview). Claude Max costs $100 a month (5x Pro’s usage per five-hour session; Priority access to new models and features).
Is Claude Max worth it?: Claude Max is worth it if you regularly run out of ChatGPT Pro’s included usage; otherwise the extra $0 a month buys capacity you won’t use.
Which models do ChatGPT Pro and Claude Max use?: ChatGPT Pro: GPT-6.1 Sol, GPT-6 Sol, GPT-6 Luna, GPT-6 Astra, GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna. Claude Max: Claude Opus 5.5, Claude Sonnet 5.5, Claude Haiku 4.5, Claude Fable 5.1.

Related comparisons

API figures use Claude Opus 5.5 at $4.00 input / $20.00 output per 1M tokens.