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Cheapest AI plan for research and writing

Prices checked

Claude Pro ($20/mo) is the cheapest plan with published limits that fits this week in the likely case: 2 deep research reports, 3 long document summaries and 2 long threads every weekday.

$20/moVisit Claude pricing for Claude Pro

Cheapest plan that fits

Claude Pro $20/mo

Cheapest plan whose likely week fits, sessions included. Safe even in the high case: Claude Max 5x $100/mo.

Visit Claude pricing for Claude Pro

Ranked by price only, among Claude and GitHub Copilot plans.

Plans for this week, ranked

PlanPrice/moFits?Runs dryOverflowOfficial site
Claude Pro$20Yesnever (Wed at the earliest)–Visit Claude pricing for Claude Pro
Claude Max 5x$100Yes, even highnever–Visit Claude pricing for Claude Max 5x
GitHub Copilot Max$100Yesnever (Wed at the earliest)–Visit GitHub Copilot pricing for GitHub Copilot Max
Claude Max 20x$200Yes, even highnever–Visit Claude pricing for Claude Max 20x
GitHub Copilot Pro$10NoMon (Mon to Tue)$40.34Visit GitHub Copilot pricing for GitHub Copilot Pro
GitHub Copilot Pro+$39NoTue (Mon to Fri)$27.63Visit GitHub Copilot pricing for GitHub Copilot Pro+

Plans that fit first, then by price. Prices link to the vendor's own pricing page.

Day by day on Claude Pro

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.

  1. Mon (Monday) ClearUnder the weekly cap $10.95$4.20–$27
  2. Tue (Tuesday) ClearUnder the weekly cap $10.95$4.20–$27
  3. Wed (Wednesday) CloudyOver the cap in the high case $10.95$4.20–$27
  4. Thu (Thursday) CloudyOver the cap in the high case $10.95$4.20–$27
  5. Fri (Friday) CloudyOver the cap in the high case $10.95$4.20–$27
  6. Sat (Saturday) CloudyNothing planned $0no API-$ work
  7. Sun (Sunday) CloudyNothing planned $0no API-$ work
Cumulative API-$ through the week against the weekly cap of $66.
Weekly cap $66

High case runs off the top of the chart.

Week total

Low
$21
Likely
$54.75
High
$135

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 $69, billed at API rates.

Usage credits at standard API rates once you hit a limit.

Change this week in the calculator

Related

Methodology & sources

Each task is priced in API dollars (low, likely, high) and summed day by day against each plan’s weekly cap and 5-hour sessions. Only plans with a verified price and a published or measured capacity are ranked; see how the forecast works and what each task costs.

Not yet verified (17)

These vendors publish only multipliers or no number at all, so we cannot rank them. You can still calibrate one in the calculator with a reading from your own meter.