› Claude Pro costs $20 a month, Max 5x costs $100, and Max 20x costs $200.
› Using my usage logs from October 24, 2026, I calculated how many tasks on Claude Opus 5.5 those amounts would buy through the API.
› One detail changes the calculation: Max plans receive monthly Claude API credits equal to the price of the plan.At a glance (as of October 24, 2026)Opus 5.5 through the API: $4 / $20 per million tokens; a typical short task costs $0.0190, and a document of about 30,000 tokens costs $0.1675.Pro at $20 is cheaper than API use above 35 short tasks a day or 4 long documents a day.Max 5x and 20x include $100 and $200 in API credits each month, respectively (available after 7 days on the plan, with no rollover).Limits: Anthropic does not specify a message count, only a 5-hour window, a weekly limit and usage multipliers.Claude plans and usage limitsBased on claude.com/pricing and Anthropic Help, checked October 24, 2026:PlanPriceUsage limitFree$0Sonnet and Haiku, 5-hour sessionPro$20 ($17 with annual billing)At least 5x Free usage per 5-hour session, weekly limit, Opus, Claude CodeMax 5x$1005x Pro usage per session, weekly limit, $100 in API creditsMax 20x$20020x Pro usage per session, weekly limit, $200 in API creditsAnthropic says there is no fixed message count: how much you can do depends on conversation length, model and features.
› Chat, apps and Claude Code draw from the same pool.