Prime95 Pricing in 2026
Every plan Prime95 publishes, with the page and date we read it from. Prices we could not find on Prime95's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| Prime95 | Free | Free to download and use indefinitely on computers you own or are authorized to use · participation is free of charge | mersenne.org |