At least 5x Free usage per 5-hour session, plus weekly limits; no fixed message count.
- Price
- $20/mo
- Billing
- $17/mo billed yearly ($200 up front)
- Window
- 5-hour session + weekly limit
- Overflow
- Usage credits at standard API rates once you hit a limit.
Capacity figures
| Figure | Value | Kind | Basis |
|---|---|---|---|
| Weekly capacity (API-$) | $66 | inferred | alldonesites inferred figure: Pro about $66 of API value per week |
| Per 5-hour window (API-$) | $13.10 | derived | Max 20x measured window $262 x (Pro 550k / Max 20x 11M credits per 5h, she-llac ratio) |
official: the vendor says so. measured: an independent meter reading. inferred: estimated from measurements. derived: computed by us from other figures. unverified: we could not confirm it.
Sample week: Light coder
1 hour of agentic coding and 10 quick questions every weekday.
ForecastClaude ProHigh confidence
Mostly clear, chance of storms.
Likely fits under the weekly cap (range: Wednesday to never). Only the high case runs dry, from Wednesday.
- Mon (Monday) ClearUnder the weekly cap $8.20$2.10–$25.50
- Tue (Tuesday) ClearUnder the weekly cap $8.20$2.10–$25.50
- Wed (Wednesday) CloudyOver the cap in the high case $8.20$2.10–$25.50
- Thu (Thursday) CloudyOver the cap in the high case $8.20$2.10–$25.50
- Fri (Friday) CloudyOver the cap in the high case $8.20$2.10–$25.50
- Sat (Saturday) CloudyNothing planned $0no API-$ work
- Sun (Sunday) CloudyNothing planned $0no API-$ work
High case runs off the top of the chart.
Week total
- Low
- $10.50
- Likely
- $41
- High
- $127.50
API-$ equivalent against a weekly cap of $66 (inferred).
Off-days
No off-days needed in the likely case.
5-hour sessions
2 windows × $13.10 (derived) = $26.20 a day.
Every day fits inside 2 windows in the likely case.
Overflow
None in the likely case. In the high case about $61.50, billed at API rates.
Usage credits at standard API rates once you hit a limit.
Sample week: Heavy Claude Code user
4 hours of interactive agentic coding, 15 quick questions and 2 PR reviews every weekday.
ForecastClaude ProHigh confidence
Runs dry Tuesday.
Likely hits the weekly cap on Tuesday (range: Monday to never). Also: on Monday to Friday your likely day needs more than 2 five-hour windows.
- Mon (Monday) SquallNeeds more than 2 five-hour windows $33.30$8.55–$103.75
- Tue (Tuesday) StormLikely hits the weekly cap; sessions run out too $33.30$8.55–$103.75 Suggested off-day
- Wed (Wednesday) StormPast the weekly cap; sessions run out too $33.30$8.55–$103.75 Suggested off-day
- Thu (Thursday) StormPast the weekly cap; sessions run out too $33.30$8.55–$103.75 Suggested off-day
- Fri (Friday) StormPast the weekly cap; sessions run out too $33.30$8.55–$103.75 Suggested off-day
- Sat (Saturday) StormTank empty $0no API-$ work
- Sun (Sunday) StormTank empty $0no API-$ work
High case runs off the top of the chart.
Week total
- Low
- $42.75
- Likely
- $166.50
- High
- $518.75
API-$ equivalent against a weekly cap of $66 (inferred).
Off-days
Take Tuesday to Friday off (or move that work elsewhere) and the rest of the week fits in the likely case. We drop the heaviest days first.
5-hour sessions
2 windows × $13.10 (derived) = $26.20 a day.
Over on Monday to Friday: your likely day needs more five-hour windows than you use. Spread the work across more windows or pick a bigger plan.
Overflow
About $100.50 over the cap (range $0–$452.75), billed at API rates.
Usage credits at standard API rates once you hit a limit.
Sources
- Claude pricing (Anthropic) official re-verifiedchecked 2026-10-20
- Claude Help: Pro usage limits officialchecked 2026-10-20
- Claude Help: usage credits at API rates officialchecked 2026-10-20
- alldonesites: live Claude meter tracker, 4 Max 20x accounts (21 Sep to 13 Oct 2026) independentchecked 2026-10-20
- she-llac: Claude internal credit table (25 Jan 2026) independentchecked 2026-10-20